diff --git a/common/web/types/src/kmx/kmx-plus/element-string.ts b/common/web/types/src/kmx/kmx-plus/element-string.ts
index ad3eaf6084..d14c4a9011 100644
--- a/common/web/types/src/kmx/kmx-plus/element-string.ts
+++ b/common/web/types/src/kmx/kmx-plus/element-string.ts
@@ -104,8 +104,8 @@ export class ElementString extends Array<ElemElement> {
           typeFlag |= constants.elem_flags_type_str;
         }
       }
-      elem.order = orders.length ? parseInt(orders[i], 10) : 0;
-      elem.tertiary = tertiaries.length ? parseInt(tertiaries[i], 10) : 0;
+      elem.order = orders.length ? this.parseIntOrZero(orders[i]) : 0;
+      elem.tertiary = tertiaries.length ? this.parseIntOrZero(tertiaries[i]) : 0;
       elem.flags = ElemElementFlags.none |
         (ElemElementFlags.type & typeFlag) |
         (tertiary_bases?.[i] == '1' /* TODO-LDML: or 'true'? */ ? ElemElementFlags.tertiary_base : 0) |
@@ -125,5 +125,9 @@ export class ElementString extends Array<ElemElement> {
     }
     return true;
   }
+  private static parseIntOrZero(str: string): number {
+    const num = parseInt(str, 10);
+    return !Number.isNaN(num) ? num : 0;
+  }
 }
 ;
diff --git a/common/web/types/tests/kmx/kmx-plus/element-string.tests.ts b/common/web/types/tests/kmx/kmx-plus/element-string.tests.ts
index 0dc21a49fe..49a4c2c954 100644
--- a/common/web/types/tests/kmx/kmx-plus/element-string.tests.ts
+++ b/common/web/types/tests/kmx/kmx-plus/element-string.tests.ts
@@ -142,7 +142,7 @@ describe('Test of ElementString file', () => {
         ];
         assert.deepEqual(actual, expected);
       });
-      it.skip('can handle order string that is too short', () => {
+      it('can handle order string that is too short', () => {
         sections.strs.allocString = stubStrsAllocString_Char;
         const actual = ElementString.fromStrings(
           sections,
@@ -156,7 +156,7 @@ describe('Test of ElementString file', () => {
         ];
         assert.deepEqual(actual, expected);
       });
-      it.skip('can handle non-number in order string', () => {
+      it('can handle non-number in order string', () => {
         sections.strs.allocString = stubStrsAllocString_Char;
         const actual = ElementString.fromStrings(
           sections,
@@ -200,7 +200,7 @@ describe('Test of ElementString file', () => {
         ];
         assert.deepEqual(actual, expected);
       });
-      it.skip('can handle tertiary string that is too short', () => {
+      it('can handle tertiary string that is too short', () => {
         sections.strs.allocString = stubStrsAllocString_Char;
         const actual = ElementString.fromStrings(
           sections,
@@ -215,7 +215,7 @@ describe('Test of ElementString file', () => {
         ];
         assert.deepEqual(actual, expected);
       });
-      it.skip('can handle non-number in tertiary string', () => {
+      it('can handle non-number in tertiary string', () => {
         sections.strs.allocString = stubStrsAllocString_Char;
         const actual = ElementString.fromStrings(
           sections,
@@ -428,6 +428,24 @@ describe('Test of ElementString file', () => {
         assert.isFalse(one.isEqual(two));
       });
     });
+    describe('Test of parseIntOrZero()', () => {
+      it('returns a number for a valid string', () => {
+        const num = ElementString['parseIntOrZero']('1');
+        assert.equal(num, 1);
+      });
+      it('returns zero for an invalid string', () => {
+        const num = ElementString['parseIntOrZero']('A');
+        assert.equal(num, 0);
+      });
+      it('returns zero for undefined', () => {
+        const num = ElementString['parseIntOrZero'](undefined);
+        assert.equal(num, 0);
+      });
+      it('returns zero for a null string', () => {
+        const num = ElementString['parseIntOrZero'](null);
+        assert.equal(num, 0);
+      });
+    });
   });
 });