diff --git a/src/modules/case.js b/src/modules/case.js
index 787fcf1..331a4bc 100644
--- a/src/modules/case.js
+++ b/src/modules/case.js
@@ -37,11 +37,12 @@ export const createCase = (http) => (caseTypeId) => (eventId) => async (payload
  *
  * @param {httpClient} http Configured, ready-to-use HTTP client
  * @param {string|number} caseId 16-digit unique case identifier
+ * @param {object} - request parameters for the get request
  * @return {Promise} Promise resolved with the case for the given identifier.
  */
-export const fetchCase = (http) => (caseId) => async () => {
+export const fetchCase = (http) => (caseId, params) => async () => {
   const url = `/cases/${caseId}`;
-  const res = await http.get(url);
+  const res = await http.get(url, params);
   return res.data;
 };
 
diff --git a/src/modules/case.test.js b/src/modules/case.test.js
index 38c5089..7cca0c4 100644
--- a/src/modules/case.test.js
+++ b/src/modules/case.test.js
@@ -26,6 +26,24 @@ describe('fetchCase', () => {
     const actualData = await fetchCase(httpStub)(caseId)();
     expect(actualData).toEqual(resData);
   });
+
+  test('should fetch case by id with request parameters', async () => {
+    const caseId = '1234123412341238';
+    const resData = {
+      id: caseId,
+      data: {},
+    };
+    const httpStub = {
+      get: (url, params) => {
+        expect(url).toEqual(`/cases/${caseId}`);
+        expect(params).toEqual({field: 'field1'});
+        return Promise.resolve({data: resData});
+      },
+    };
+
+    const actualData = await fetchCase(httpStub)(caseId, {field: 'field1'})();
+    expect(actualData).toEqual(resData);
+  });
 });
 
 describe('fieldExtractor', () => {