diff --git a/cli/cmd/check.go b/cli/cmd/check.go
index 1bca2b80469f1..f7e6caf04d715 100644
--- a/cli/cmd/check.go
+++ b/cli/cmd/check.go
@@ -79,7 +79,7 @@ func configureAndRunChecks(options *checkOptions) error {
 	if err != nil {
 		return fmt.Errorf("Validation error when executing check command: %v", err)
 	}
-	checks := []healthcheck.Checks{
+	checks := []healthcheck.CategoryID{
 		healthcheck.KubernetesAPIChecks,
 		healthcheck.KubernetesVersionChecks,
 	}
diff --git a/cli/cmd/check_test.go b/cli/cmd/check_test.go
index c9a585d87b91f..271f048b97397 100644
--- a/cli/cmd/check_test.go
+++ b/cli/cmd/check_test.go
@@ -12,7 +12,7 @@ import (
 func TestCheckStatus(t *testing.T) {
 	t.Run("Prints expected output", func(t *testing.T) {
 		hc := healthcheck.NewHealthChecker(
-			[]healthcheck.Checks{},
+			[]healthcheck.CategoryID{},
 			&healthcheck.Options{},
 		)
 		hc.Add("category", "check1", func() error {
diff --git a/cli/cmd/root.go b/cli/cmd/root.go
index 6fc636da639c7..6a084072aec2b 100644
--- a/cli/cmd/root.go
+++ b/cli/cmd/root.go
@@ -98,7 +98,7 @@ func cliPublicAPIClient() pb.ApiClient {
 // checks fail, then CLI will print an error and exit. If the retryDeadline
 // param is specified, then the CLI will print a message to stderr and retry.
 func validatedPublicAPIClient(retryDeadline time.Time, apiChecks bool) pb.ApiClient {
-	checks := []healthcheck.Checks{
+	checks := []healthcheck.CategoryID{
 		healthcheck.KubernetesAPIChecks,
 		healthcheck.LinkerdControlPlaneExistenceChecks,
 	}
@@ -124,11 +124,11 @@ func validatedPublicAPIClient(retryDeadline time.Time, apiChecks bool) pb.ApiCli
 		if result.Err != nil && !result.Warning {
 			var msg string
 			switch result.Category {
-			case healthcheck.KubernetesAPICategory:
+			case healthcheck.KubernetesAPIChecks:
 				msg = "Cannot connect to Kubernetes"
-			case healthcheck.LinkerdControlPlaneExistenceCategory:
+			case healthcheck.LinkerdControlPlaneExistenceChecks:
 				msg = "Cannot find Linkerd"
-			case healthcheck.LinkerdAPICategory:
+			case healthcheck.LinkerdAPIChecks:
 				msg = "Cannot connect to Linkerd"
 			}
 			fmt.Fprintf(os.Stderr, "%s: %s\n", msg, result.Err)
diff --git a/pkg/healthcheck/healthcheck.go b/pkg/healthcheck/healthcheck.go
index 24b9722e8a493..66593ca2def2d 100644
--- a/pkg/healthcheck/healthcheck.go
+++ b/pkg/healthcheck/healthcheck.go
@@ -22,17 +22,17 @@ import (
 	"k8s.io/client-go/kubernetes"
 )
 
-// Checks is an enum for the types of health checks.
-type Checks int
+// CategoryID is an identifier for the types of health checks.
+type CategoryID string
 
 const (
 	// KubernetesAPIChecks adds a series of checks to validate that the caller is
 	// configured to interact with a working Kubernetes cluster.
-	KubernetesAPIChecks Checks = iota
+	KubernetesAPIChecks CategoryID = "kubernetes-api"
 
 	// KubernetesVersionChecks validate that the cluster meets the minimum version
 	// requirements.
-	KubernetesVersionChecks
+	KubernetesVersionChecks CategoryID = "kubernetes-version"
 
 	// LinkerdPreInstallClusterChecks adds checks to validate that the control
 	// plane namespace does not already exist, and that the user can create
@@ -41,7 +41,7 @@ const (
 	// of pre-install checks.
 	// This check is dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdPreInstallClusterChecks
+	LinkerdPreInstallClusterChecks CategoryID = "kubernetes-cluster-setup"
 
 	// LinkerdPreInstallSingleNamespaceChecks adds a check to validate that the
 	// control plane namespace already exists, and that the user can create
@@ -49,7 +49,7 @@ const (
 	// runs as part of the set of pre-install checks.
 	// This check is dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdPreInstallSingleNamespaceChecks
+	LinkerdPreInstallSingleNamespaceChecks CategoryID = "kubernetes-single-namespace-setup"
 
 	// LinkerdPreInstallChecks adds checks to validate that the user can create
 	// Kubernetes objects necessary to install the control plane, including
@@ -57,93 +57,55 @@ const (
 	// of pre-install checks.
 	// This check is dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdPreInstallChecks
+	LinkerdPreInstallChecks CategoryID = "kubernetes-setup"
 
 	// LinkerdDataPlaneExistenceChecks adds a data plane check to validate that
 	// the data plane namespace exists.
 	// This check is dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdDataPlaneExistenceChecks
+	LinkerdDataPlaneExistenceChecks CategoryID = "linkerd-data-plane-existence"
 
 	// LinkerdDataPlaneChecks adds a data plane check to validate that the proxy
 	// containers are in the ready state.
 	// This check is dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdDataPlaneChecks
+	LinkerdDataPlaneChecks CategoryID = "linkerd-data-plane"
 
 	// LinkerdControlPlaneExistenceChecks adds a series of checks to validate that
 	// the control plane namespace and controller pod exist.
 	// These checks are dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdControlPlaneExistenceChecks
+	LinkerdControlPlaneExistenceChecks CategoryID = "linkerd-existence"
 
 	// LinkerdAPIChecks adds a series of checks to validate that the control plane
 	// is successfully serving the public API.
 	// These checks are dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdAPIChecks
+	LinkerdAPIChecks CategoryID = "linkerd-api"
 
 	// LinkerdServiceProfileChecks add a check validate any ServiceProfiles that
 	// may already be installed.
 	// These checks are dependent on the output of KubernetesAPIChecks, so those
 	// checks must be added first.
-	LinkerdServiceProfileChecks
+	LinkerdServiceProfileChecks CategoryID = "linkerd-service-profile"
 
 	// LinkerdVersionChecks adds a series of checks to query for the latest
 	// version, and validate the the CLI is up to date.
-	LinkerdVersionChecks
+	LinkerdVersionChecks CategoryID = "linkerd-version"
 
 	// LinkerdControlPlaneVersionChecks adds a series of checks to validate that
 	// the control plane is running the latest available version.
 	// These checks are dependent on `apiClient` from
 	// LinkerdControlPlaneExistenceChecks and `latestVersion` from
 	// LinkerdVersionChecks, so those checks must be added first.
-	LinkerdControlPlaneVersionChecks
+	LinkerdControlPlaneVersionChecks CategoryID = "linkerd-control-plane-version"
 
 	// LinkerdDataPlaneVersionChecks adds a series of checks to validate that the
 	// control plane is running the latest available version.
 	// These checks are dependent on `apiClient` from
 	// LinkerdControlPlaneExistenceChecks and `latestVersion` from
 	// LinkerdVersionChecks, so those checks must be added first.
-	LinkerdDataPlaneVersionChecks
-
-	// KubernetesAPICategory is the string representation of KubernetesAPIChecks.
-	KubernetesAPICategory = "kubernetes-api"
-	// KubernetesVersionCategory is the string representation of
-	// KubernetesVersionChecks.
-	KubernetesVersionCategory = "kubernetes-version"
-	// LinkerdPreInstallClusterCategory is the string representation of
-	// LinkerdPreInstallClusterChecks.
-	LinkerdPreInstallClusterCategory = "kubernetes-cluster-setup"
-	// LinkerdPreInstallSingleNamespaceCategory is the string representation of
-	// LinkerdPreInstallSingleNamespaceChecks.
-	LinkerdPreInstallSingleNamespaceCategory = "kubernetes-single-namespace-setup"
-	// LinkerdPreInstallCategory is the string representation of
-	// LinkerdPreInstallChecks.
-	LinkerdPreInstallCategory = "kubernetes-setup"
-	// LinkerdDataPlaneExistenceCategory is the string representation of
-	// LinkerdDataPlaneExistenceChecks.
-	LinkerdDataPlaneExistenceCategory = "linkerd-data-plane-existence"
-	// LinkerdDataPlaneCategory is the string representation of
-	// LinkerdDataPlaneChecks.
-	LinkerdDataPlaneCategory = "linkerd-data-plane"
-	// LinkerdControlPlaneExistenceCategory is the string representation of
-	// LinkerdControlPlaneExistenceChecks.
-	LinkerdControlPlaneExistenceCategory = "linkerd-existence"
-	// LinkerdAPICategory is the string representation of LinkerdAPIChecks.
-	LinkerdAPICategory = "linkerd-api"
-	// LinkerdServiceProfileCategory is the string representation of
-	// LinkerdServiceProfileChecks.
-	LinkerdServiceProfileCategory = "linkerd-service-profile"
-	// LinkerdVersionCategory is the string representation of
-	// LinkerdVersionChecks.
-	LinkerdVersionCategory = "linkerd-version"
-	// LinkerdControlPlaneVersionCategory is the string representation of
-	// LinkerdControlPlaneVersionChecks.
-	LinkerdControlPlaneVersionCategory = "linkerd-control-plane-version"
-	// LinkerdDataPlaneVersionCategory is the string representation of
-	// LinkerdDataPlaneVersionChecks.
-	LinkerdDataPlaneVersionCategory = "linkerd-data-plane-version"
+	LinkerdDataPlaneVersionChecks CategoryID = "linkerd-data-plane-version"
 )
 
 var (
@@ -153,9 +115,6 @@ var (
 )
 
 type checker struct {
-	// category is one of the *Category constants defined above
-	category string
-
 	// description is the short description that's printed to the command line
 	// when the check is executed
 	description string
@@ -185,7 +144,7 @@ type checker struct {
 
 // CheckResult encapsulates a check's identifying information and output
 type CheckResult struct {
-	Category    string
+	Category    CategoryID
 	Description string
 	Retry       bool
 	Warning     bool
@@ -194,6 +153,12 @@ type CheckResult struct {
 
 type checkObserver func(*CheckResult)
 
+type category struct {
+	id       CategoryID
+	checkers []checker
+	enabled  bool
+}
+
 // Options specifies configuration for a HealthChecker.
 type Options struct {
 	ControlPlaneNamespace string
@@ -208,7 +173,7 @@ type Options struct {
 // HealthChecker encapsulates all health check checkers, and clients required to
 // perform those checks.
 type HealthChecker struct {
-	checkers []*checker
+	categories []category
 	*Options
 
 	// these fields are set in the process of running checks
@@ -223,408 +188,382 @@ type HealthChecker struct {
 }
 
 // NewHealthChecker returns an initialized HealthChecker
-func NewHealthChecker(checks []Checks, options *Options) *HealthChecker {
+func NewHealthChecker(categoryIDs []CategoryID, options *Options) *HealthChecker {
 	hc := &HealthChecker{
-		checkers: make([]*checker, 0),
-		Options:  options,
-	}
-
-	for _, check := range checks {
-		switch check {
-		case KubernetesAPIChecks:
-			hc.addKubernetesAPIChecks()
-		case KubernetesVersionChecks:
-			hc.addKubernetesVersionChecks()
-		case LinkerdPreInstallClusterChecks:
-			hc.addLinkerdPreInstallClusterChecks()
-		case LinkerdPreInstallSingleNamespaceChecks:
-			hc.addLinkerdPreInstallSingleNamespaceChecks()
-		case LinkerdPreInstallChecks:
-			hc.addLinkerdPreInstallChecks()
-		case LinkerdDataPlaneExistenceChecks:
-			hc.addLinkerdDataPlaneExistenceChecks()
-		case LinkerdDataPlaneChecks:
-			hc.addLinkerdDataPlaneChecks()
-		case LinkerdControlPlaneExistenceChecks:
-			hc.addLinkerdControlPlaneExistenceChecks()
-		case LinkerdAPIChecks:
-			hc.addLinkerdAPIChecks()
-		case LinkerdServiceProfileChecks:
-			hc.addLinkerdServiceProfileChecks()
-		case LinkerdVersionChecks:
-			hc.addLinkerdVersionChecks()
-		case LinkerdControlPlaneVersionChecks:
-			hc.addLinkerdControlPlaneVersionChecks()
-		case LinkerdDataPlaneVersionChecks:
-			hc.addLinkerdDataPlaneVersionChecks()
-		}
+		Options: options,
 	}
 
-	return hc
-}
-
-func (hc *HealthChecker) addKubernetesAPIChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    KubernetesAPICategory,
-		description: "can initialize the client",
-		fatal:       true,
-		check: func() (err error) {
-			hc.kubeAPI, err = k8s.NewAPI(hc.KubeConfig, hc.KubeContext)
-			return
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    KubernetesAPICategory,
-		description: "can query the Kubernetes API",
-		fatal:       true,
-		check: func() (err error) {
-			hc.httpClient, err = hc.kubeAPI.NewClient()
-			if err != nil {
-				return
-			}
-			hc.kubeVersion, err = hc.kubeAPI.GetVersionInfo(hc.httpClient)
-			return
-		},
-	})
-}
-
-func (hc *HealthChecker) addKubernetesVersionChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    KubernetesVersionCategory,
-		description: "is running the minimum Kubernetes API version",
-		check: func() error {
-			return hc.kubeAPI.CheckVersion(hc.kubeVersion)
-		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdPreInstallClusterChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallClusterCategory,
-		description: "control plane namespace does not already exist",
-		check: func() error {
-			return hc.checkNamespace(hc.ControlPlaneNamespace, false)
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallClusterCategory,
-		description: "can create Namespaces",
-		check: func() error {
-			return hc.checkCanCreate("", "", "v1", "Namespace")
-		},
-	})
-
-	// TODO: refactor with LinkerdPreInstallSingleNamespaceChecks
-	roleType := "ClusterRole"
-	roleBindingType := "ClusterRoleBinding"
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallClusterCategory,
-		description: fmt.Sprintf("can create %ss", roleType),
-		check: func() error {
-			return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", roleType)
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallClusterCategory,
-		description: fmt.Sprintf("can create %ss", roleBindingType),
-		check: func() error {
-			return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", roleBindingType)
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallClusterCategory,
-		description: "can create CustomResourceDefinitions",
-		check: func() error {
-			return hc.checkCanCreate(hc.ControlPlaneNamespace, "apiextensions.k8s.io", "v1beta1", "CustomResourceDefinition")
-		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdPreInstallSingleNamespaceChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallSingleNamespaceCategory,
-		description: "control plane namespace exists",
-		check: func() error {
-			return hc.checkNamespace(hc.ControlPlaneNamespace, true)
-		},
-	})
-
-	// TODO: refactor with LinkerdPreInstallClusterChecks
-	roleType := "Role"
-	roleBindingType := "RoleBinding"
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallSingleNamespaceCategory,
-		description: fmt.Sprintf("can create %ss", roleType),
-		check: func() error {
-			return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", roleType)
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallSingleNamespaceCategory,
-		description: fmt.Sprintf("can create %ss", roleBindingType),
-		check: func() error {
-			return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", roleBindingType)
-		},
-	})
-}
+	hc.categories = hc.allCategories()
 
-func (hc *HealthChecker) addLinkerdPreInstallChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallCategory,
-		description: "can create ServiceAccounts",
-		check: func() error {
-			return hc.checkCanCreate(hc.ControlPlaneNamespace, "", "v1", "ServiceAccount")
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallCategory,
-		description: "can create Services",
-		check: func() error {
-			return hc.checkCanCreate(hc.ControlPlaneNamespace, "", "v1", "Service")
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallCategory,
-		description: "can create Deployments",
-		check: func() error {
-			return hc.checkCanCreate(hc.ControlPlaneNamespace, "extensions", "v1beta1", "Deployments")
-		},
-	})
+	checkMap := map[CategoryID]struct{}{}
+	for _, category := range categoryIDs {
+		checkMap[category] = struct{}{}
+	}
+	for i := range hc.categories {
+		if _, ok := checkMap[hc.categories[i].id]; ok {
+			hc.categories[i].enabled = true
+		}
+	}
 
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdPreInstallCategory,
-		description: "can create ConfigMaps",
-		check: func() error {
-			return hc.checkCanCreate(hc.ControlPlaneNamespace, "", "v1", "ConfigMap")
-		},
-	})
+	return hc
 }
 
-func (hc *HealthChecker) addLinkerdControlPlaneExistenceChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdControlPlaneExistenceCategory,
-		description: "control plane namespace exists",
-		fatal:       true,
-		check: func() error {
-			return hc.checkNamespace(hc.ControlPlaneNamespace, true)
+// allCategories is the global, ordered list of all checkers, grouped by
+// category. This method is attached to the HealthChecker struct because the
+// checkers directly reference other members of the struct, such as kubeAPI,
+// controlPlanePods, etc.
+func (hc *HealthChecker) allCategories() []category {
+	return []category{
+		{
+			id: KubernetesAPIChecks,
+			checkers: []checker{
+				{
+					description: "can initialize the client",
+					fatal:       true,
+					check: func() (err error) {
+						hc.kubeAPI, err = k8s.NewAPI(hc.KubeConfig, hc.KubeContext)
+						return
+					},
+				},
+				{
+					description: "can query the Kubernetes API",
+					fatal:       true,
+					check: func() (err error) {
+						hc.httpClient, err = hc.kubeAPI.NewClient()
+						if err != nil {
+							return
+						}
+						hc.kubeVersion, err = hc.kubeAPI.GetVersionInfo(hc.httpClient)
+						return
+					},
+				},
+			},
 		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:      LinkerdControlPlaneExistenceCategory,
-		description:   "controller pod is running",
-		retryDeadline: hc.RetryDeadline,
-		fatal:         true,
-		check: func() error {
-			var err error
-			hc.controlPlanePods, err = hc.kubeAPI.GetPodsByNamespace(hc.httpClient, hc.ControlPlaneNamespace)
-			if err != nil {
-				return err
-			}
-			return checkControllerRunning(hc.controlPlanePods)
+		{
+			id: KubernetesVersionChecks,
+			checkers: []checker{
+				{
+					description: "is running the minimum Kubernetes API version",
+					check: func() error {
+						return hc.kubeAPI.CheckVersion(hc.kubeVersion)
+					},
+				},
+			},
 		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdControlPlaneExistenceCategory,
-		description: "can initialize the client",
-		fatal:       true,
-		check: func() (err error) {
-			if hc.APIAddr != "" {
-				hc.apiClient, err = public.NewInternalClient(hc.ControlPlaneNamespace, hc.APIAddr)
-			} else {
-				hc.apiClient, err = public.NewExternalClient(hc.ControlPlaneNamespace, hc.kubeAPI)
-			}
-			return
+		{
+			id: LinkerdPreInstallClusterChecks,
+			checkers: []checker{
+				{
+					description: "control plane namespace does not already exist",
+					check: func() error {
+						return hc.checkNamespace(hc.ControlPlaneNamespace, false)
+					},
+				},
+				{
+					description: "can create Namespaces",
+					check: func() error {
+						return hc.checkCanCreate("", "", "v1", "Namespace")
+					},
+				},
+				{
+					description: "can create ClusterRoles",
+					check: func() error {
+						return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", "ClusterRole")
+					},
+				},
+				{
+					description: "can create ClusterRoleBindings",
+					check: func() error {
+						return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", "ClusterRoleBinding")
+					},
+				},
+				{
+					description: "can create CustomResourceDefinitions",
+					check: func() error {
+						return hc.checkCanCreate(hc.ControlPlaneNamespace, "apiextensions.k8s.io", "v1beta1", "CustomResourceDefinition")
+					},
+				},
+			},
 		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:      LinkerdControlPlaneExistenceCategory,
-		description:   "can query the control plane API",
-		retryDeadline: hc.RetryDeadline,
-		fatal:         true,
-		check: func() error {
-			_, err := version.GetServerVersion(hc.apiClient)
-			return err
+		{
+			id: LinkerdPreInstallSingleNamespaceChecks,
+			checkers: []checker{
+				{
+					description: "control plane namespace exists",
+					check: func() error {
+						return hc.checkNamespace(hc.ControlPlaneNamespace, true)
+					},
+				},
+				{
+					description: "can create Roles",
+					check: func() error {
+						return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", "Role")
+					},
+				},
+				{
+					description: "can create RoleBindings",
+					check: func() error {
+						return hc.checkCanCreate("", "rbac.authorization.k8s.io", "v1beta1", "RoleBinding")
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdAPIChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:      LinkerdAPICategory,
-		description:   "control plane pods are ready",
-		retryDeadline: hc.RetryDeadline,
-		fatal:         true,
-		check: func() error {
-			var err error
-			hc.controlPlanePods, err = hc.kubeAPI.GetPodsByNamespace(hc.httpClient, hc.ControlPlaneNamespace)
-			if err != nil {
-				return err
-			}
-			return validateControlPlanePods(hc.controlPlanePods)
+		{
+			id: LinkerdPreInstallChecks,
+			checkers: []checker{
+				{
+					description: "can create ServiceAccounts",
+					check: func() error {
+						return hc.checkCanCreate(hc.ControlPlaneNamespace, "", "v1", "ServiceAccount")
+					},
+				},
+				{
+					description: "can create Services",
+					check: func() error {
+						return hc.checkCanCreate(hc.ControlPlaneNamespace, "", "v1", "Service")
+					},
+				},
+				{
+					description: "can create Deployments",
+					check: func() error {
+						return hc.checkCanCreate(hc.ControlPlaneNamespace, "extensions", "v1beta1", "Deployments")
+					},
+				},
+				{
+					description: "can create ConfigMaps",
+					check: func() error {
+						return hc.checkCanCreate(hc.ControlPlaneNamespace, "", "v1", "ConfigMap")
+					},
+				},
+			},
 		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:      LinkerdAPICategory,
-		description:   "can query the control plane API",
-		fatal:         true,
-		retryDeadline: hc.RetryDeadline,
-		checkRPC: func() (*healthcheckPb.SelfCheckResponse, error) {
-			ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-			defer cancel()
-			return hc.apiClient.SelfCheck(ctx, &healthcheckPb.SelfCheckRequest{})
+		{
+			id: LinkerdControlPlaneExistenceChecks,
+			checkers: []checker{
+				{
+					description: "control plane namespace exists",
+					fatal:       true,
+					check: func() error {
+						return hc.checkNamespace(hc.ControlPlaneNamespace, true)
+					},
+				},
+				{
+					description:   "controller pod is running",
+					retryDeadline: hc.RetryDeadline,
+					fatal:         true,
+					check: func() error {
+						var err error
+						hc.controlPlanePods, err = hc.kubeAPI.GetPodsByNamespace(hc.httpClient, hc.ControlPlaneNamespace)
+						if err != nil {
+							return err
+						}
+						return checkControllerRunning(hc.controlPlanePods)
+					},
+				},
+				{
+					description: "can initialize the client",
+					fatal:       true,
+					check: func() (err error) {
+						if hc.APIAddr != "" {
+							hc.apiClient, err = public.NewInternalClient(hc.ControlPlaneNamespace, hc.APIAddr)
+						} else {
+							hc.apiClient, err = public.NewExternalClient(hc.ControlPlaneNamespace, hc.kubeAPI)
+						}
+						return
+					},
+				},
+				{
+					description:   "can query the control plane API",
+					retryDeadline: hc.RetryDeadline,
+					fatal:         true,
+					check: func() error {
+						_, err := version.GetServerVersion(hc.apiClient)
+						return err
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdServiceProfileChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdServiceProfileCategory,
-		description: "no invalid service profiles",
-		warning:     true,
-		check: func() error {
-			return hc.validateServiceProfiles()
+		{
+			id: LinkerdAPIChecks,
+			checkers: []checker{
+				{
+					description:   "control plane pods are ready",
+					retryDeadline: hc.RetryDeadline,
+					fatal:         true,
+					check: func() error {
+						var err error
+						hc.controlPlanePods, err = hc.kubeAPI.GetPodsByNamespace(hc.httpClient, hc.ControlPlaneNamespace)
+						if err != nil {
+							return err
+						}
+						return validateControlPlanePods(hc.controlPlanePods)
+					},
+				},
+				{
+					description:   "can query the control plane API",
+					fatal:         true,
+					retryDeadline: hc.RetryDeadline,
+					checkRPC: func() (*healthcheckPb.SelfCheckResponse, error) {
+						ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+						defer cancel()
+						return hc.apiClient.SelfCheck(ctx, &healthcheckPb.SelfCheckRequest{})
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdDataPlaneExistenceChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdDataPlaneExistenceCategory,
-		description: "data plane namespace exists",
-		fatal:       true,
-		check: func() error {
-			return hc.checkNamespace(hc.DataPlaneNamespace, true)
+		{
+			id: LinkerdServiceProfileChecks,
+			checkers: []checker{
+				{
+					description: "no invalid service profiles",
+					warning:     true,
+					check: func() error {
+						return hc.validateServiceProfiles()
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdDataPlaneChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:      LinkerdDataPlaneCategory,
-		description:   "data plane proxies are ready",
-		retryDeadline: hc.RetryDeadline,
-		fatal:         true,
-		check: func() error {
-			pods, err := hc.getDataPlanePods()
-			if err != nil {
-				return err
-			}
-
-			return validateDataPlanePods(pods, hc.DataPlaneNamespace)
+		{
+			id: LinkerdDataPlaneExistenceChecks,
+			checkers: []checker{
+				{
+					description: "data plane namespace exists",
+					fatal:       true,
+					check: func() error {
+						return hc.checkNamespace(hc.DataPlaneNamespace, true)
+					},
+				},
+			},
 		},
-	})
+		{
+			id: LinkerdDataPlaneChecks,
+			checkers: []checker{
+				{
+					description:   "data plane proxies are ready",
+					retryDeadline: hc.RetryDeadline,
+					fatal:         true,
+					check: func() error {
+						pods, err := hc.getDataPlanePods()
+						if err != nil {
+							return err
+						}
 
-	hc.checkers = append(hc.checkers, &checker{
-		category:      LinkerdDataPlaneCategory,
-		description:   "data plane proxy metrics are present in Prometheus",
-		retryDeadline: hc.RetryDeadline,
-		check: func() error {
-			pods, err := hc.getDataPlanePods()
-			if err != nil {
-				return err
-			}
+						return validateDataPlanePods(pods, hc.DataPlaneNamespace)
+					},
+				},
+				{
+					description:   "data plane proxy metrics are present in Prometheus",
+					retryDeadline: hc.RetryDeadline,
+					check: func() error {
+						pods, err := hc.getDataPlanePods()
+						if err != nil {
+							return err
+						}
 
-			return validateDataPlanePodReporting(pods)
+						return validateDataPlanePodReporting(pods)
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdVersionChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdVersionCategory,
-		description: "can determine the latest version",
-		fatal:       true,
-		check: func() (err error) {
-			if hc.VersionOverride != "" {
-				hc.latestVersion = hc.VersionOverride
-			} else {
-				// The UUID is only known to the web process. At some point we may want
-				// to consider providing it in the Public API.
-				uuid := "unknown"
-				for _, pod := range hc.controlPlanePods {
-					if strings.Split(pod.Name, "-")[0] == "web" {
-						for _, container := range pod.Spec.Containers {
-							if container.Name == "web" {
-								for _, arg := range container.Args {
-									if strings.HasPrefix(arg, "-uuid=") {
-										uuid = strings.TrimPrefix(arg, "-uuid=")
+		{
+			id: LinkerdVersionChecks,
+			checkers: []checker{
+				{
+					description: "can determine the latest version",
+					fatal:       true,
+					check: func() (err error) {
+						if hc.VersionOverride != "" {
+							hc.latestVersion = hc.VersionOverride
+						} else {
+							// The UUID is only known to the web process. At some point we may want
+							// to consider providing it in the Public API.
+							uuid := "unknown"
+							for _, pod := range hc.controlPlanePods {
+								if strings.Split(pod.Name, "-")[0] == "web" {
+									for _, container := range pod.Spec.Containers {
+										if container.Name == "web" {
+											for _, arg := range container.Args {
+												if strings.HasPrefix(arg, "-uuid=") {
+													uuid = strings.TrimPrefix(arg, "-uuid=")
+												}
+											}
+										}
 									}
 								}
 							}
+							hc.latestVersion, err = version.GetLatestVersion(uuid, "cli")
 						}
-					}
-				}
-				hc.latestVersion, err = version.GetLatestVersion(uuid, "cli")
-			}
-			return
-		},
-	})
-
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdVersionCategory,
-		description: "cli is up-to-date",
-		warning:     true,
-		check: func() error {
-			return version.CheckClientVersion(hc.latestVersion)
+						return
+					},
+				},
+				{
+					description: "cli is up-to-date",
+					warning:     true,
+					check: func() error {
+						return version.CheckClientVersion(hc.latestVersion)
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdControlPlaneVersionChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdControlPlaneVersionCategory,
-		description: "control plane is up-to-date",
-		warning:     true,
-		check: func() error {
-			return version.CheckServerVersion(hc.apiClient, hc.latestVersion)
+		{
+			id: LinkerdControlPlaneVersionChecks,
+			checkers: []checker{
+				{
+					description: "control plane is up-to-date",
+					warning:     true,
+					check: func() error {
+						return version.CheckServerVersion(hc.apiClient, hc.latestVersion)
+					},
+				},
+			},
 		},
-	})
-}
-
-func (hc *HealthChecker) addLinkerdDataPlaneVersionChecks() {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    LinkerdDataPlaneVersionCategory,
-		description: "data plane is up-to-date",
-		warning:     true,
-		check: func() error {
-			pods, err := hc.getDataPlanePods()
-			if err != nil {
-				return err
-			}
+		{
+			id: LinkerdDataPlaneVersionChecks,
+			checkers: []checker{
+				{
+					description: "data plane is up-to-date",
+					warning:     true,
+					check: func() error {
+						pods, err := hc.getDataPlanePods()
+						if err != nil {
+							return err
+						}
 
-			for _, pod := range pods {
-				if pod.ProxyVersion != hc.latestVersion {
-					return fmt.Errorf("%s is running version %s but the latest version is %s",
-						pod.Name, pod.ProxyVersion, hc.latestVersion)
-				}
-			}
-			return nil
+						for _, pod := range pods {
+							if pod.ProxyVersion != hc.latestVersion {
+								return fmt.Errorf("%s is running version %s but the latest version is %s",
+									pod.Name, pod.ProxyVersion, hc.latestVersion)
+							}
+						}
+						return nil
+					},
+				},
+			},
 		},
-	})
+	}
 }
 
 // Add adds an arbitrary checker. This should only be used for testing. For
 // production code, pass in the desired set of checks when calling
 // NewHeathChecker.
-func (hc *HealthChecker) Add(category, description string, check func() error) {
-	hc.checkers = append(hc.checkers, &checker{
-		category:    category,
-		description: description,
-		check:       check,
-	})
+func (hc *HealthChecker) Add(categoryID CategoryID, description string, check func() error) {
+	hc.addCategory(
+		category{
+			id: categoryID,
+			checkers: []checker{
+				checker{
+					description: description,
+					check:       check,
+				},
+			},
+		},
+	)
+}
+
+// addCategory is also for testing
+func (hc *HealthChecker) addCategory(c category) {
+	c.enabled = true
+	hc.categories = append(hc.categories, c)
 }
 
 // RunChecks runs all configured checkers, and passes the results of each
@@ -635,25 +574,29 @@ func (hc *HealthChecker) Add(category, description string, check func() error) {
 func (hc *HealthChecker) RunChecks(observer checkObserver) bool {
 	success := true
 
-	for _, checker := range hc.checkers {
-		if checker.check != nil {
-			if !hc.runCheck(checker, observer) {
-				if !checker.warning {
-					success = false
-				}
-				if checker.fatal {
-					break
+	for _, c := range hc.categories {
+		if c.enabled {
+			for _, checker := range c.checkers {
+				if checker.check != nil {
+					if !hc.runCheck(c.id, &checker, observer) {
+						if !checker.warning {
+							success = false
+						}
+						if checker.fatal {
+							return success
+						}
+					}
 				}
-			}
-		}
 
-		if checker.checkRPC != nil {
-			if !hc.runCheckRPC(checker, observer) {
-				if !checker.warning {
-					success = false
-				}
-				if checker.fatal {
-					break
+				if checker.checkRPC != nil {
+					if !hc.runCheckRPC(c.id, &checker, observer) {
+						if !checker.warning {
+							success = false
+						}
+						if checker.fatal {
+							return success
+						}
+					}
 				}
 			}
 		}
@@ -662,11 +605,11 @@ func (hc *HealthChecker) RunChecks(observer checkObserver) bool {
 	return success
 }
 
-func (hc *HealthChecker) runCheck(c *checker, observer checkObserver) bool {
+func (hc *HealthChecker) runCheck(categoryID CategoryID, c *checker, observer checkObserver) bool {
 	for {
 		err := c.check()
 		checkResult := &CheckResult{
-			Category:    c.category,
+			Category:    categoryID,
 			Description: c.description,
 			Warning:     c.warning,
 			Err:         err,
@@ -684,10 +627,10 @@ func (hc *HealthChecker) runCheck(c *checker, observer checkObserver) bool {
 	}
 }
 
-func (hc *HealthChecker) runCheckRPC(c *checker, observer checkObserver) bool {
+func (hc *HealthChecker) runCheckRPC(categoryID CategoryID, c *checker, observer checkObserver) bool {
 	checkRsp, err := c.checkRPC()
 	observer(&CheckResult{
-		Category:    c.category,
+		Category:    categoryID,
 		Description: c.description,
 		Warning:     c.warning,
 		Err:         err,
@@ -702,7 +645,7 @@ func (hc *HealthChecker) runCheckRPC(c *checker, observer checkObserver) bool {
 			err = fmt.Errorf(check.FriendlyMessageToUser)
 		}
 		observer(&CheckResult{
-			Category:    fmt.Sprintf("%s[%s]", c.category, check.SubsystemName),
+			Category:    CategoryID(fmt.Sprintf("%s[%s]", categoryID, check.SubsystemName)),
 			Description: check.CheckDescription,
 			Warning:     c.warning,
 			Err:         err,
diff --git a/pkg/healthcheck/healthcheck_test.go b/pkg/healthcheck/healthcheck_test.go
index 67f1a085b6187..3b92a0f51b489 100644
--- a/pkg/healthcheck/healthcheck_test.go
+++ b/pkg/healthcheck/healthcheck_test.go
@@ -18,31 +18,43 @@ import (
 func TestHealthChecker(t *testing.T) {
 	nullObserver := func(_ *CheckResult) {}
 
-	passingCheck1 := &checker{
-		category:    "cat1",
-		description: "desc1",
-		check: func() error {
-			return nil
+	passingCheck1 := category{
+		id: "cat1",
+		checkers: []checker{
+			checker{
+				description: "desc1",
+				check: func() error {
+					return nil
+				},
+				retryDeadline: time.Time{},
+			},
 		},
-		retryDeadline: time.Time{},
 	}
 
-	passingCheck2 := &checker{
-		category:    "cat2",
-		description: "desc2",
-		check: func() error {
-			return nil
+	passingCheck2 := category{
+		id: "cat2",
+		checkers: []checker{
+			checker{
+				description: "desc2",
+				check: func() error {
+					return nil
+				},
+				retryDeadline: time.Time{},
+			},
 		},
-		retryDeadline: time.Time{},
 	}
 
-	failingCheck := &checker{
-		category:    "cat3",
-		description: "desc3",
-		check: func() error {
-			return fmt.Errorf("error")
+	failingCheck := category{
+		id: "cat3",
+		checkers: []checker{
+			checker{
+				description: "desc3",
+				check: func() error {
+					return fmt.Errorf("error")
+				},
+				retryDeadline: time.Time{},
+			},
 		},
-		retryDeadline: time.Time{},
 	}
 
 	passingRPCClient := public.MockAPIClient{
@@ -57,14 +69,18 @@ func TestHealthChecker(t *testing.T) {
 		},
 	}
 
-	passingRPCCheck := &checker{
-		category:    "cat4",
-		description: "desc4",
-		checkRPC: func() (*healthcheckPb.SelfCheckResponse, error) {
-			return passingRPCClient.SelfCheck(context.Background(),
-				&healthcheckPb.SelfCheckRequest{})
+	passingRPCCheck := category{
+		id: "cat4",
+		checkers: []checker{
+			checker{
+				description: "desc4",
+				checkRPC: func() (*healthcheckPb.SelfCheckResponse, error) {
+					return passingRPCClient.SelfCheck(context.Background(),
+						&healthcheckPb.SelfCheckRequest{})
+				},
+				retryDeadline: time.Time{},
+			},
 		},
-		retryDeadline: time.Time{},
 	}
 
 	failingRPCClient := public.MockAPIClient{
@@ -80,36 +96,44 @@ func TestHealthChecker(t *testing.T) {
 		},
 	}
 
-	failingRPCCheck := &checker{
-		category:    "cat5",
-		description: "desc5",
-		checkRPC: func() (*healthcheckPb.SelfCheckResponse, error) {
-			return failingRPCClient.SelfCheck(context.Background(),
-				&healthcheckPb.SelfCheckRequest{})
+	failingRPCCheck := category{
+		id: "cat5",
+		checkers: []checker{
+			checker{
+				description: "desc5",
+				checkRPC: func() (*healthcheckPb.SelfCheckResponse, error) {
+					return failingRPCClient.SelfCheck(context.Background(),
+						&healthcheckPb.SelfCheckRequest{})
+				},
+				retryDeadline: time.Time{},
+			},
 		},
-		retryDeadline: time.Time{},
 	}
 
-	fatalCheck := &checker{
-		category:    "cat6",
-		description: "desc6",
-		fatal:       true,
-		check: func() error {
-			return fmt.Errorf("fatal")
+	fatalCheck := category{
+		id: "cat6",
+		checkers: []checker{
+			checker{
+				description: "desc6",
+				fatal:       true,
+				check: func() error {
+					return fmt.Errorf("fatal")
+				},
+				retryDeadline: time.Time{},
+			},
 		},
-		retryDeadline: time.Time{},
 	}
 
 	t.Run("Notifies observer of all results", func(t *testing.T) {
-		hc := HealthChecker{
-			checkers: []*checker{
-				passingCheck1,
-				passingCheck2,
-				failingCheck,
-				passingRPCCheck,
-				failingRPCCheck,
-			},
-		}
+		hc := NewHealthChecker(
+			[]CategoryID{},
+			&Options{},
+		)
+		hc.addCategory(passingCheck1)
+		hc.addCategory(passingCheck2)
+		hc.addCategory(failingCheck)
+		hc.addCategory(passingRPCCheck)
+		hc.addCategory(failingRPCCheck)
 
 		observedResults := make([]string, 0)
 		observer := func(result *CheckResult) {
@@ -138,13 +162,13 @@ func TestHealthChecker(t *testing.T) {
 	})
 
 	t.Run("Is successful if all checks were successful", func(t *testing.T) {
-		hc := HealthChecker{
-			checkers: []*checker{
-				passingCheck1,
-				passingCheck2,
-				passingRPCCheck,
-			},
-		}
+		hc := NewHealthChecker(
+			[]CategoryID{},
+			&Options{},
+		)
+		hc.addCategory(passingCheck1)
+		hc.addCategory(passingCheck2)
+		hc.addCategory(passingRPCCheck)
 
 		success := hc.RunChecks(nullObserver)
 
@@ -154,13 +178,13 @@ func TestHealthChecker(t *testing.T) {
 	})
 
 	t.Run("Is not successful if one check fails", func(t *testing.T) {
-		hc := HealthChecker{
-			checkers: []*checker{
-				passingCheck1,
-				failingCheck,
-				passingCheck2,
-			},
-		}
+		hc := NewHealthChecker(
+			[]CategoryID{},
+			&Options{},
+		)
+		hc.addCategory(passingCheck1)
+		hc.addCategory(failingCheck)
+		hc.addCategory(passingCheck2)
 
 		success := hc.RunChecks(nullObserver)
 
@@ -170,13 +194,13 @@ func TestHealthChecker(t *testing.T) {
 	})
 
 	t.Run("Is not successful if one RPC check fails", func(t *testing.T) {
-		hc := HealthChecker{
-			checkers: []*checker{
-				passingCheck1,
-				failingRPCCheck,
-				passingCheck2,
-			},
-		}
+		hc := NewHealthChecker(
+			[]CategoryID{},
+			&Options{},
+		)
+		hc.addCategory(passingCheck1)
+		hc.addCategory(failingRPCCheck)
+		hc.addCategory(passingCheck2)
 
 		success := hc.RunChecks(nullObserver)
 
@@ -186,13 +210,13 @@ func TestHealthChecker(t *testing.T) {
 	})
 
 	t.Run("Does not run remaining check if fatal check fails", func(t *testing.T) {
-		hc := HealthChecker{
-			checkers: []*checker{
-				passingCheck1,
-				fatalCheck,
-				passingCheck2,
-			},
-		}
+		hc := NewHealthChecker(
+			[]CategoryID{},
+			&Options{},
+		)
+		hc.addCategory(passingCheck1)
+		hc.addCategory(fatalCheck)
+		hc.addCategory(passingCheck2)
 
 		observedResults := make([]string, 0)
 		observer := func(result *CheckResult) {
@@ -219,25 +243,29 @@ func TestHealthChecker(t *testing.T) {
 		retryWindow = 0
 		returnError := true
 
-		retryCheck := &checker{
-			category:      "cat7",
-			description:   "desc7",
-			retryDeadline: time.Now().Add(100 * time.Second),
-			check: func() error {
-				if returnError {
-					returnError = false
-					return fmt.Errorf("retry")
-				}
-				return nil
+		retryCheck := category{
+			id: "cat7",
+			checkers: []checker{
+				checker{
+					description:   "desc7",
+					retryDeadline: time.Now().Add(100 * time.Second),
+					check: func() error {
+						if returnError {
+							returnError = false
+							return fmt.Errorf("retry")
+						}
+						return nil
+					},
+				},
 			},
 		}
 
-		hc := HealthChecker{
-			checkers: []*checker{
-				passingCheck1,
-				retryCheck,
-			},
-		}
+		hc := NewHealthChecker(
+			[]CategoryID{},
+			&Options{},
+		)
+		hc.addCategory(passingCheck1)
+		hc.addCategory(retryCheck)
 
 		observedResults := make([]string, 0)
 		observer := func(result *CheckResult) {