diff --git a/icu4c/source/test/intltest/dtifmtts.cpp b/icu4c/source/test/intltest/dtifmtts.cpp
index 9989d6ff5d2..e477f15a4e9 100644
--- a/icu4c/source/test/intltest/dtifmtts.cpp
+++ b/icu4c/source/test/intltest/dtifmtts.cpp
@@ -2386,6 +2386,22 @@ void DateIntervalFormatTest::testTicket21939() {
         UnicodeString pattern;
         assertEquals("Wrong pattern", u"M/d/r, h:mm\u202Fa", sdf->toPattern(pattern));
     }
+    
+    // additional tests for the related ICU-22202
+    dif.adoptInstead(DateIntervalFormat::createInstance(u"Lh", Locale::getEnglish(), err));
+    if (assertSuccess("Error creating DateIntervalFormat", err)) {
+        const DateFormat* df = dif->getDateFormat();
+        const SimpleDateFormat* sdf = dynamic_cast<const SimpleDateFormat*>(df);
+        UnicodeString pattern;
+        assertEquals("Wrong pattern", u"L, h\u202Fa", sdf->toPattern(pattern));
+    }
+    dif.adoptInstead(DateIntervalFormat::createInstance(u"UH", Locale::forLanguageTag("en-u-ca-chinese", err), err));
+    if (assertSuccess("Error creating DateIntervalFormat", err)) {
+        const DateFormat* df = dif->getDateFormat();
+        const SimpleDateFormat* sdf = dynamic_cast<const SimpleDateFormat*>(df);
+        UnicodeString pattern;
+        assertEquals("Wrong pattern", u"r(U), HH", sdf->toPattern(pattern));
+    }
 }
 
 void DateIntervalFormatTest::testTicket20710_FieldIdentity() {
diff --git a/icu4j/main/core/src/main/java/com/ibm/icu/text/DateIntervalFormat.java b/icu4j/main/core/src/main/java/com/ibm/icu/text/DateIntervalFormat.java
index eb24241af72..bd7658ece85 100644
--- a/icu4j/main/core/src/main/java/com/ibm/icu/text/DateIntervalFormat.java
+++ b/icu4j/main/core/src/main/java/com/ibm/icu/text/DateIntervalFormat.java
@@ -2308,7 +2308,17 @@ public class DateIntervalFormat extends UFormat {
     private static boolean fieldExistsInSkeleton(int field, String skeleton)
     {
         String fieldChar = DateIntervalInfo.CALENDAR_FIELD_TO_PATTERN_LETTER[field];
-        return ( (skeleton.indexOf(fieldChar) == -1) ? false : true ) ;
+        boolean result = skeleton.contains(fieldChar);
+        if (!result) {
+            if (fieldChar.equals("M")) {
+                // if the caller specified Calendar.MONTH, check the pattern for both M and L
+                result = skeleton.contains("L");
+            } else if (fieldChar.equals("y")) {
+                // if the caller specified Calendar.YEAR, check the pattern for y, Y, u, U, and r
+                result = skeleton.contains("U") || skeleton.contains("Y") || skeleton.contains("u") || skeleton.contains("r");
+            }
+        }
+        return result;
     }
 
 
diff --git a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/format/DateIntervalFormatTest.java b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/format/DateIntervalFormatTest.java
index 98d584d2095..cef9855ebc1 100644
--- a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/format/DateIntervalFormatTest.java
+++ b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/format/DateIntervalFormatTest.java
@@ -2493,6 +2493,17 @@ public class DateIntervalFormatTest extends CoreTestFmwk {
         DateFormat df = dif.getDateFormat();
         SimpleDateFormat sdf = (SimpleDateFormat)df;
         assertEquals("Wrong date format", "M/d/r, h:mm\u202Fa", sdf.toPattern());
+
+        // additional tests for the related ICU-22202
+        dif = DateIntervalFormat.getInstance("Lh", ULocale.ENGLISH);
+        df = dif.getDateFormat();
+        sdf = (SimpleDateFormat)df;
+        assertEquals("Wrong date format", "L, h a", sdf.toPattern());
+
+        dif = DateIntervalFormat.getInstance("UH", ULocale.forLanguageTag("en-u-ca-chinese"));
+        df = dif.getDateFormat();
+        sdf = (SimpleDateFormat)df;
+        assertEquals("Wrong date format", "r(U), HH", sdf.toPattern());
     }
 
     @Test