diff --git a/containers/ecr-viewer/src/app/services/evaluateFhirDataService.ts b/containers/ecr-viewer/src/app/services/evaluateFhirDataService.ts
index a6e4f20c4..227c5ac07 100644
--- a/containers/ecr-viewer/src/app/services/evaluateFhirDataService.ts
+++ b/containers/ecr-viewer/src/app/services/evaluateFhirDataService.ts
@@ -632,7 +632,10 @@ export const evaluateReference = (
  * @param path - The path within the resource to extract the value from.
  * @returns - The evaluated value as a string.
  */
-export const evaluateValue = (entry: Element, path: string | Path): string => {
+export const evaluateValue = (
+  entry: Element | Element[],
+  path: string | Path,
+): string => {
   let originalValue = evaluate(entry, path, undefined, fhirpath_r4_model)[0];
 
   let value = "";
@@ -755,22 +758,22 @@ export const evaluatePatientLanguage = (
     mappings.patientPreferredCommunication,
   );
 
-  const patientProficiencyExtension: Extension | undefined = evaluate(
+  const patientProficiencyExtension: Extension[] = evaluate(
     patientCommunication,
     "extension.where(url = 'http://hl7.org/fhir/StructureDefinition/patient-proficiency')",
-  )[0];
-  const patientLanguage: string | undefined = evaluate(
+  );
+  const patientLanguage: string | undefined = evaluateValue(
     patientCommunication,
-    "language.coding.display",
-  )[0];
-  const languageProficency: string | undefined = evaluate(
+    "language.coding",
+  );
+  const languageProficency: string | undefined = evaluateValue(
     patientProficiencyExtension,
-    "extension.where(url = 'level').valueCoding.display",
-  )[0];
-  const languageMode: string | undefined = evaluate(
+    "extension.where(url = 'level').value",
+  );
+  const languageMode: string | undefined = evaluateValue(
     patientProficiencyExtension,
-    "extension.where(url = 'type').valueCoding.display",
-  )[0];
+    "extension.where(url = 'type').value",
+  );
 
   return [patientLanguage, languageProficency, languageMode]
     .filter(Boolean)