diff --git a/agent/consul/state/catalog.go b/agent/consul/state/catalog.go
index aa80345067..d8d1b5a21f 100644
--- a/agent/consul/state/catalog.go
+++ b/agent/consul/state/catalog.go
@@ -194,7 +194,7 @@ func ensureNoNodeWithSimilarNameTxn(tx ReadTxn, node *structs.Node, allowClashWi
 		if strings.EqualFold(node.Node, enode.Node) && node.ID != enode.ID {
 			// Look up the existing node's Serf health check to see if it's failed.
 			// If it is, the node can be renamed.
-			enodeCheck, err := tx.First(tableChecks, indexID, NodeCheckID{EnterpriseMeta: *structs.DefaultEnterpriseMeta(), Node: enode.Node, CheckID: string(structs.SerfCheckID)})
+			enodeCheck, err := tx.First(tableChecks, indexID, NodeCheckQuery{EnterpriseMeta: *structs.DefaultEnterpriseMeta(), Node: enode.Node, CheckID: string(structs.SerfCheckID)})
 			if err != nil {
 				return fmt.Errorf("Cannot get status of node %s: %s", enode.Node, err)
 			}
@@ -1470,7 +1470,7 @@ func (s *Store) ensureCheckCASTxn(tx WriteTxn, idx uint64, hc *structs.HealthChe
 // checks with no matching node or service.
 func (s *Store) ensureCheckTxn(tx WriteTxn, idx uint64, preserveIndexes bool, hc *structs.HealthCheck) error {
 	// Check if we have an existing health check
-	existing, err := tx.First(tableChecks, indexID, NodeCheckID{EnterpriseMeta: hc.EnterpriseMeta, Node: hc.Node, CheckID: string(hc.CheckID)})
+	existing, err := tx.First(tableChecks, indexID, NodeCheckQuery{EnterpriseMeta: hc.EnterpriseMeta, Node: hc.Node, CheckID: string(hc.CheckID)})
 	if err != nil {
 		return fmt.Errorf("failed health check lookup: %s", err)
 	}
@@ -1583,7 +1583,7 @@ func getNodeCheckTxn(tx ReadTxn, nodeName string, checkID types.CheckID, entMeta
 	}
 
 	// Return the check.
-	check, err := tx.First(tableChecks, indexID, NodeCheckID{EnterpriseMeta: *entMeta, Node: nodeName, CheckID: string(checkID)})
+	check, err := tx.First(tableChecks, indexID, NodeCheckQuery{EnterpriseMeta: *entMeta, Node: nodeName, CheckID: string(checkID)})
 	if err != nil {
 		return 0, nil, fmt.Errorf("failed check lookup: %s", err)
 	}
@@ -1809,7 +1809,7 @@ func (s *Store) deleteCheckTxn(tx WriteTxn, idx uint64, node string, checkID typ
 	}
 
 	// Try to retrieve the existing health check.
-	hc, err := tx.First(tableChecks, indexID, NodeCheckID{EnterpriseMeta: *entMeta, Node: node, CheckID: string(checkID)})
+	hc, err := tx.First(tableChecks, indexID, NodeCheckQuery{EnterpriseMeta: *entMeta, Node: node, CheckID: string(checkID)})
 	if err != nil {
 		return fmt.Errorf("check lookup failed: %s", err)
 	}
diff --git a/agent/consul/state/catalog_oss.go b/agent/consul/state/catalog_oss.go
index 8a187066c0..ab2d87bf3d 100644
--- a/agent/consul/state/catalog_oss.go
+++ b/agent/consul/state/catalog_oss.go
@@ -120,9 +120,9 @@ func indexFromHealthCheck(raw interface{}) ([]byte, error) {
 }
 
 func indexFromNodeCheckID(raw interface{}) ([]byte, error) {
-	hc, ok := raw.(NodeCheckID)
+	hc, ok := raw.(NodeCheckQuery)
 	if !ok {
-		return nil, fmt.Errorf("unexpected type %T for NodeCheckID index", raw)
+		return nil, fmt.Errorf("unexpected type %T for NodeCheckQuery index", raw)
 	}
 
 	if hc.Node == "" || hc.CheckID == "" {
diff --git a/agent/consul/state/catalog_oss_test.go b/agent/consul/state/catalog_oss_test.go
index 39d61ac10f..925c130c4b 100644
--- a/agent/consul/state/catalog_oss_test.go
+++ b/agent/consul/state/catalog_oss_test.go
@@ -2,10 +2,40 @@
 
 package state
 
-import "github.com/hashicorp/consul/agent/structs"
+import (
+	"github.com/hashicorp/consul/agent/structs"
+)
 
 func testIndexerTableChecks() map[string]indexerTestCase {
+	obj := &structs.HealthCheck{
+		Node:      "NoDe",
+		ServiceID: "SeRvIcE",
+		CheckID:   "CheckID",
+	}
 	return map[string]indexerTestCase{
+		indexID: {
+			read: indexValue{
+				source: NodeCheckQuery{
+					Node:    "NoDe",
+					CheckID: "CheckId",
+				},
+				expected: []byte("node\x00checkid\x00"),
+			},
+			write: indexValue{
+				source:   obj,
+				expected: []byte("node\x00checkid\x00"),
+			},
+			prefix: []indexValue{
+				{
+					source:   structs.EnterpriseMeta{},
+					expected: nil,
+				},
+				{
+					source:   Query{Value: "nOdE"},
+					expected: []byte("node\x00"),
+				},
+			},
+		},
 		indexNodeService: {
 			read: indexValue{
 				source: NodeServiceQuery{
@@ -15,10 +45,7 @@ func testIndexerTableChecks() map[string]indexerTestCase {
 				expected: []byte("node\x00service\x00"),
 			},
 			write: indexValue{
-				source: &structs.HealthCheck{
-					Node:      "NoDe",
-					ServiceID: "SeRvIcE",
-				},
+				source:   obj,
 				expected: []byte("node\x00service\x00"),
 			},
 		},
@@ -30,10 +57,7 @@ func testIndexerTableChecks() map[string]indexerTestCase {
 				expected: []byte("node\x00"),
 			},
 			write: indexValue{
-				source: &structs.HealthCheck{
-					Node:      "NoDe",
-					ServiceID: "SeRvIcE",
-				},
+				source:   obj,
 				expected: []byte("node\x00"),
 			},
 		},
diff --git a/agent/consul/state/catalog_schema.go b/agent/consul/state/catalog_schema.go
index eef6c6d2a3..5c10c8e349 100644
--- a/agent/consul/state/catalog_schema.go
+++ b/agent/consul/state/catalog_schema.go
@@ -325,8 +325,8 @@ type upstreamDownstream struct {
 	structs.RaftIndex
 }
 
-// NodeCheckID is used to query the ID index of the checks table.
-type NodeCheckID struct {
+// NodeCheckQuery is used to query the ID index of the checks table.
+type NodeCheckQuery struct {
 	Node    string
 	CheckID string
 	structs.EnterpriseMeta
diff --git a/agent/consul/state/catalog_test.go b/agent/consul/state/catalog_test.go
index 3302ffa8ed..b68a76aca2 100644
--- a/agent/consul/state/catalog_test.go
+++ b/agent/consul/state/catalog_test.go
@@ -1307,7 +1307,7 @@ func TestStateStore_DeleteNode(t *testing.T) {
 	}
 
 	// Associated health check was removed.
-	checks, err := tx.Get(tableChecks, indexID, NodeCheckID{Node: "node1", CheckID: "check1"})
+	checks, err := tx.Get(tableChecks, indexID, NodeCheckQuery{Node: "node1", CheckID: "check1"})
 	if err != nil {
 		t.Fatalf("err: %s", err)
 	}
@@ -2067,7 +2067,7 @@ func TestStateStore_DeleteService(t *testing.T) {
 	// that it actually is removed in the state store.
 	tx := s.db.Txn(false)
 	defer tx.Abort()
-	check, err := tx.First(tableChecks, indexID, NodeCheckID{Node: "node1", CheckID: "check1"})
+	check, err := tx.First(tableChecks, indexID, NodeCheckQuery{Node: "node1", CheckID: "check1"})
 	if err != nil || check != nil {
 		t.Fatalf("bad: %#v (err: %s)", check, err)
 	}
diff --git a/agent/consul/state/session_oss.go b/agent/consul/state/session_oss.go
index cd4cad3ade..483ff840d6 100644
--- a/agent/consul/state/session_oss.go
+++ b/agent/consul/state/session_oss.go
@@ -108,7 +108,7 @@ func sessionMaxIndex(tx ReadTxn, entMeta *structs.EnterpriseMeta) uint64 {
 func validateSessionChecksTxn(tx *txn, session *structs.Session) error {
 	// Go over the session checks and ensure they exist.
 	for _, checkID := range session.CheckIDs() {
-		check, err := tx.First(tableChecks, indexID, NodeCheckID{Node: session.Node, CheckID: string(checkID)})
+		check, err := tx.First(tableChecks, indexID, NodeCheckQuery{Node: session.Node, CheckID: string(checkID)})
 		if err != nil {
 			return fmt.Errorf("failed check lookup: %s", err)
 		}
diff --git a/agent/consul/state/state_store_test.go b/agent/consul/state/state_store_test.go
index 0e0db1f2b3..985e7540ba 100644
--- a/agent/consul/state/state_store_test.go
+++ b/agent/consul/state/state_store_test.go
@@ -163,7 +163,7 @@ func testRegisterCheck(t *testing.T, s *Store, idx uint64,
 
 	tx := s.db.Txn(false)
 	defer tx.Abort()
-	c, err := tx.First(tableChecks, indexID, NodeCheckID{Node: nodeID, CheckID: string(checkID)})
+	c, err := tx.First(tableChecks, indexID, NodeCheckQuery{Node: nodeID, CheckID: string(checkID)})
 	if err != nil {
 		t.Fatalf("err: %s", err)
 	}