diff --git a/icu4c/source/test/cintltst/cmsgtst.c b/icu4c/source/test/cintltst/cmsgtst.c
index 9bd283fe2d..347a318aa0 100644
--- a/icu4c/source/test/cintltst/cmsgtst.c
+++ b/icu4c/source/test/cintltst/cmsgtst.c
@@ -417,6 +417,60 @@ void TestParseMessage()
     
 }
 
+int32_t CallFormatMessage(const char* locale, UChar* testCasePattern, int32_t patternLength, 
+                       UChar* result, int32_t resultLength, UErrorCode *status, ...)
+{
+    int32_t len = 0;
+    va_list ap;
+    va_start(ap, status);
+    len = u_vformatMessage(locale, testCasePattern, patternLength, result, resultLength, ap, status);
+    va_end(ap);
+    return len;
+}
+
+/* Test u_vformatMessage() with various test patterns. */
+void TestMessageFormatWithValist( void ) 
+{
+
+    UChar *str;
+    UChar* result;
+    int32_t resultLengthOut,resultlength,i, patternlength;
+    UErrorCode status = U_ZERO_ERROR;
+    UDate d1=1000000000.0;
+    str=(UChar*)malloc(sizeof(UChar) * 7);
+    u_uastrcpy(str, "MyDisk");
+    resultlength=1;
+    result=(UChar*)malloc(sizeof(UChar) * 1);
+    log_verbose("Testing u_formatMessage90\n");
+    InitStrings();
+    for (i = 0; i < cnt_testCases; i++) {
+        status=U_ZERO_ERROR;
+        patternlength=u_strlen(testCasePatterns[i]);
+        resultLengthOut=CallFormatMessage( "en_US",testCasePatterns[i], patternlength, result, resultlength, 
+            &status, 1, 3456.00, d1);
+        if(status== U_BUFFER_OVERFLOW_ERROR)
+        {
+            status=U_ZERO_ERROR;
+            resultlength=resultLengthOut+1;
+            result=(UChar*)realloc(result,sizeof(UChar) * resultlength);
+            CallFormatMessage( "en_US",testCasePatterns[i], patternlength, result, resultlength, 
+                &status, 1, 3456.00, d1);
+    }
+    if(U_FAILURE(status)){
+        log_err("ERROR: failure in message format on testcase %d:  %s\n", i, myErrorName(status) );
+    }
+    if(u_strcmp(result, testResultStrings[i])==0){
+        log_verbose("PASS: MessagFormat successful on testcase : %d\n", i);
+    }
+    else{
+        log_err("FAIL: Error in MessageFormat on testcase : %d\n GOT %s EXPECTED %s\n", i, 
+            austrdup(result), austrdup(testResultStrings[i]) );
+    }
+    }
+    free(result);
+    free(str);
+}
+
 void addMsgForTest(TestNode** root)
 {
     addTest(root, &MessageFormatTest, "tsformat/cmsgtst/MessageFormatTest");
@@ -424,5 +478,6 @@ void addMsgForTest(TestNode** root)
     addTest(root, &TestSampleFormatAndParse, "tsformat/cmsgtst/TestSampleFormatAndParse");
     addTest(root, &TestMsgFormatChoice, "tsformat/cmsgtst/TestMsgFormatChoice");
     addTest(root, &TestParseMessage, "tsformat/cmsgtst/TestParseMessage");
+    addTest(root, &TestMessageFormatWithValist, "tsformat/cmsgtst/TestMessageFormatWithValist");
 
 }