diff --git a/.husky/pre-commit b/.husky/pre-commit
index e260cff8a..f1d227f25 100755
--- a/.husky/pre-commit
+++ b/.husky/pre-commit
@@ -1,4 +1,4 @@
 /bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-npm exec pretty-quick --staged && npm exec concurrently npm:test npm:lint
+npm exec pretty-quick --staged && npm exec concurrently "npm:lint" "npm:test -- --silent"
diff --git a/src/api/useCqlParsingService.ts b/src/api/useCqlParsingService.ts
new file mode 100644
index 000000000..dd6ebadd4
--- /dev/null
+++ b/src/api/useCqlParsingService.ts
@@ -0,0 +1,39 @@
+import axios from "axios";
+import useServiceConfig from "./useServiceConfig";
+import { ServiceConfig } from "./ServiceContext";
+import { useOktaTokens } from "@madie/madie-util";
+import { CqlDefinitionCallstack } from "../components/editTestCase/groupCoverage/QiCoreGroupCoverage";
+
+export class CqlParsingService {
+  constructor(private baseUrl: string, private getAccessToken: () => string) {}
+
+  async getDefinitionCallstacks(cql: string): Promise<CqlDefinitionCallstack> {
+    try {
+      const response = await axios.put<string>(
+        `${this.baseUrl}/cql/callstacks`,
+        cql,
+        {
+          headers: {
+            Authorization: `Bearer ${this.getAccessToken()}`,
+            "Content-Type": "text/plain",
+          },
+        }
+      );
+      return response.data as unknown as CqlDefinitionCallstack;
+    } catch (err) {
+      const message = `Unable to retrieve used definition references`;
+      throw new Error(message);
+    }
+  }
+}
+
+const useCqlParsingService = (): CqlParsingService => {
+  const serviceConfig: ServiceConfig = useServiceConfig();
+  const { getAccessToken } = useOktaTokens();
+  return new CqlParsingService(
+    serviceConfig?.elmTranslationService.baseUrl,
+    getAccessToken
+  );
+};
+
+export default useCqlParsingService;
diff --git a/src/components/editTestCase/groupCoverage/QiCoreGroupCoverage.tsx b/src/components/editTestCase/groupCoverage/QiCoreGroupCoverage.tsx
index 4000ccc73..d1a5bdd24 100644
--- a/src/components/editTestCase/groupCoverage/QiCoreGroupCoverage.tsx
+++ b/src/components/editTestCase/groupCoverage/QiCoreGroupCoverage.tsx
@@ -19,9 +19,31 @@ import {
 } from "../../../util/GroupCoverageHelpers";
 import "./QiCoreGroupCoverage.scss";
 
+export interface CqlDefinitionExpression {
+  id?: string;
+  definitionName: string;
+  definitionLogic: string;
+  context: string;
+  supplDataElement: boolean;
+  popDefinition: boolean;
+  commentString: string;
+  returnType: string | null;
+  parentLibrary: string | null;
+  libraryDisplayName: string | null;
+  libraryVersion: string | null;
+  function: boolean;
+  name: string;
+  logic: string;
+}
+
+export interface CqlDefinitionCallstack {
+  [key: string]: Array<CqlDefinitionExpression>;
+}
+
 interface Props {
   groupPopulations: GroupPopulation[];
   mappedCalculationResults: MappedCalculationResults;
+  cqlDefinitionCallstack?: CqlDefinitionCallstack;
 }
 
 interface Statement {
@@ -29,6 +51,7 @@ interface Statement {
   relevance: Relevance;
   statementLevelHTML?: string | undefined;
   pretty?: string;
+  name?: string;
 }
 
 interface PopulationStatement extends Statement {
@@ -50,6 +73,7 @@ const allDefinitions = [
 const QiCoreGroupCoverage = ({
   groupPopulations,
   mappedCalculationResults,
+  cqlDefinitionCallstack,
 }: Props) => {
   // selected group/criteria
   const [selectedCriteria, setSelectedCriteria] = useState<string>("");
@@ -115,6 +139,7 @@ const QiCoreGroupCoverage = ({
               populationName:
                 FHIR_POPULATION_CODES[relevantPopulations[key].populationType],
               id: relevantPopulations[key].populationId,
+              name: key,
             };
             return output;
           }, {});
@@ -224,6 +249,39 @@ const QiCoreGroupCoverage = ({
     }
   };
 
+  const generateCallstackText = (selectedDefinition: Statement): string => {
+    let text = "";
+    cqlDefinitionCallstack[selectedDefinition.name]?.forEach(
+      (calledDefinition) => {
+        // Get Highlighted HTML from execution results
+        text +=
+          mappedCalculationResults[selectedCriteria]["statementResults"][
+            calledDefinition.name
+          ].statementLevelHTML;
+        // Get the callstack for each definition called by the parent statement
+        getCallstack(calledDefinition.id).forEach((name) => {
+          text +=
+            mappedCalculationResults[selectedCriteria]["statementResults"][name]
+              .statementLevelHTML;
+        });
+      }
+    );
+    return text;
+  };
+
+  const getCallstack = (defId: string): string[] => {
+    let calledDefinitions: string[] = [];
+    cqlDefinitionCallstack[defId]?.forEach((calledDefinition) => {
+      calledDefinitions.push(calledDefinition.name);
+      if (cqlDefinitionCallstack[calledDefinition.id]) {
+        calledDefinitions = calledDefinitions.concat(
+          getCallstack(calledDefinition.id)
+        );
+      }
+    });
+    return calledDefinitions;
+  };
+
   return (
     <>
       <div tw="border-b pb-2">
@@ -300,12 +358,38 @@ const QiCoreGroupCoverage = ({
             data-testid={`${selectedHighlightingTab.abbreviation}-highlighting`}
           >
             {selectedPopulationDefinitionResults ? (
-              <div>
-                {parse(selectedPopulationDefinitionResults?.statementLevelHTML)}
-                <GroupCoverageResultsSection
-                  results={selectedPopulationDefinitionResults.pretty}
-                />
-              </div>
+              <>
+                <div>
+                  {parse(
+                    selectedPopulationDefinitionResults?.statementLevelHTML
+                  )}
+                  <GroupCoverageResultsSection
+                    results={selectedPopulationDefinitionResults.pretty}
+                  />
+                </div>
+                <div
+                  style={{
+                    fontFamily: "Rubik",
+                    fontSize: "14px",
+                    fontWeight: "500",
+                    color: "#0073C8",
+                  }}
+                >
+                  Definition(s) Used
+                </div>
+                <div
+                  style={{
+                    fontFamily: "Rubik",
+                    fontSize: "12px",
+                    fontWeight: "500",
+                    whiteSpace: "pre-wrap",
+                  }}
+                >
+                  {parse(
+                    generateCallstackText(selectedPopulationDefinitionResults)
+                  )}
+                </div>
+              </>
             ) : (
               "No results available"
             )}
diff --git a/src/components/editTestCase/qiCore/EditTestCase.test.tsx b/src/components/editTestCase/qiCore/EditTestCase.test.tsx
index 1d85c4c4b..23b0512ba 100644
--- a/src/components/editTestCase/qiCore/EditTestCase.test.tsx
+++ b/src/components/editTestCase/qiCore/EditTestCase.test.tsx
@@ -41,6 +41,7 @@ import { TestCaseValidator } from "../../../validators/TestCaseValidator";
 import { checkUserCanEdit } from "@madie/madie-util";
 import { PopulationType as FqmPopulationType } from "fqm-execution/build/types/Enums";
 import { addValues } from "../../../util/DefaultValueProcessor";
+import { defineElm } from "../../../__mocks__/define-elm-fixture";
 
 //temporary solution (after jest updated to version 27) for error: thrown: "Exceeded timeout of 5000 ms for a test.
 jest.setTimeout(60000);
diff --git a/src/components/editTestCase/qiCore/EditTestCase.tsx b/src/components/editTestCase/qiCore/EditTestCase.tsx
index 64dd1d017..1ead83bc1 100644
--- a/src/components/editTestCase/qiCore/EditTestCase.tsx
+++ b/src/components/editTestCase/qiCore/EditTestCase.tsx
@@ -75,6 +75,8 @@ import { Bundle } from "fhir/r4";
 import { Allotment } from "allotment";
 import ElementsTab from "./LeftPanel/ElementsTab/ElementsTab";
 import { QiCoreResourceProvider } from "../../../util/QiCorePatientProvider";
+import useCqlParsingService from "../../../api/useCqlParsingService";
+import { CqlDefinitionCallstack } from "../groupCoverage/QiCoreGroupCoverage";
 
 const TestCaseForm = tw.form`m-3`;
 const ValidationErrorsButton = tw.button`
@@ -205,6 +207,7 @@ const EditTestCase = (props: EditTestCaseProps) => {
   // Avoid infinite dependency render. May require additional error handling for timeouts.
   const testCaseService = useRef(useTestCaseServiceApi());
   const calculation = useRef(calculationService());
+  const cqlParsingService = useRef(useCqlParsingService());
   const [alert, setAlert] = useState<AlertProps>(null);
   const { errors, setErrors } = props;
   if (!errors) {
@@ -261,6 +264,7 @@ const EditTestCase = (props: EditTestCaseProps) => {
   const [groupPopulations, setGroupPopulations] = useState<GroupPopulation[]>(
     []
   );
+  const [callstackMap, setCallstackMap] = useState<CqlDefinitionCallstack>();
 
   const {
     measureState,
@@ -415,6 +419,17 @@ const EditTestCase = (props: EditTestCaseProps) => {
       load.current = +1;
       loadTestCase();
     }
+
+    if (_.isNil(callstackMap) && measure?.cql) {
+      cqlParsingService.current
+        .getDefinitionCallstacks(measure.cql)
+        .then((callstack: CqlDefinitionCallstack) => {
+          setCallstackMap(callstack);
+        })
+        .catch((error) => {
+          console.error(error);
+        });
+    }
   }, [
     id,
     measureId,
@@ -886,6 +901,7 @@ const EditTestCase = (props: EditTestCaseProps) => {
                       calculationResults={populationGroupResults}
                       calculationErrors={calculationErrors}
                       groupPopulations={groupPopulations}
+                      cqlDefinitionCallstack={callstackMap}
                     />
                   )}
                 </div>
diff --git a/src/components/editTestCase/qiCore/calculationResults/CalculationResults.tsx b/src/components/editTestCase/qiCore/calculationResults/CalculationResults.tsx
index 5a2013a21..c5ab36282 100644
--- a/src/components/editTestCase/qiCore/calculationResults/CalculationResults.tsx
+++ b/src/components/editTestCase/qiCore/calculationResults/CalculationResults.tsx
@@ -7,8 +7,10 @@ import { DetailedPopulationGroupResult } from "fqm-execution/build/types/Calcula
 import { MadieAlert } from "@madie/madie-design-system/dist/react";
 import { GroupPopulation, PopulationType } from "@madie/madie-models";
 import { useFeatureFlags } from "@madie/madie-util";
-import QiCoreGroupCoverage from "../../groupCoverage/QiCoreGroupCoverage";
 import { Relevance } from "fqm-execution";
+import QiCoreGroupCoverage, {
+  CqlDefinitionCallstack,
+} from "../../groupCoverage/QiCoreGroupCoverage";
 
 type ErrorProps = {
   status?: "success" | "warning" | "error" | "info" | "meta";
@@ -19,6 +21,7 @@ type CalculationResultType = {
   calculationResults: DetailedPopulationGroupResult[];
   calculationErrors: ErrorProps;
   groupPopulations: GroupPopulation[];
+  cqlDefinitionCallstack?: CqlDefinitionCallstack;
 };
 
 export interface MappedCalculationResults {
@@ -45,6 +48,7 @@ const CalculationResults = ({
   calculationResults,
   calculationErrors,
   groupPopulations,
+  cqlDefinitionCallstack = {},
 }: CalculationResultType) => {
   // template for group name coming from execution engine
   const originalGroupName = (name) => {
@@ -140,6 +144,7 @@ const CalculationResults = ({
         <QiCoreGroupCoverage
           groupPopulations={groupPopulations}
           mappedCalculationResults={mapCalculationResults(calculationResults)}
+          cqlDefinitionCallstack={cqlDefinitionCallstack}
         />
       )}
       {!featureFlags.highlightingTabs && coverageHtmls && (