diff --git a/packages/blockly/core/field.ts b/packages/blockly/core/field.ts
index 9b967baa135..b254e6704a6 100644
--- a/packages/blockly/core/field.ts
+++ b/packages/blockly/core/field.ts
@@ -318,6 +318,18 @@ export abstract class Field<T = any>
     return this.ariaTypeName || null;
   }
 
+  /**
+   * Sets the ARIA-friendly label representation of this field's type.
+   *
+   * Implementations are responsible for, and encouraged to, set a localized
+   * version of the ARIA representation of the field's type.
+   *
+   * @param ariaTypeName An ARIA representation of the field's type.
+   */
+  setAriaTypeName(ariaTypeName: string) {
+    this.ariaTypeName = ariaTypeName;
+  }
+
   /**
    * Gets an ARIA-friendly label representation of this field's value.
    *
diff --git a/packages/blockly/tests/mocha/field_test.js b/packages/blockly/tests/mocha/field_test.js
index 373f44133ea..e01369a2462 100644
--- a/packages/blockly/tests/mocha/field_test.js
+++ b/packages/blockly/tests/mocha/field_test.js
@@ -896,6 +896,13 @@ suite('Abstract Fields', function () {
         assert.equal(field.computeAriaLabel(true), 'text: hello');
       });
 
+      test('Custom type and value when ariaTypeName is set', function () {
+        const field = new TestField();
+        field.setAriaTypeName('speed');
+        field.setValue('fast');
+        assert.equal(field.computeAriaLabel(), 'speed: fast');
+      });
+
       test('Type and placeholder when value is null', function () {
         const field = new TestField(null, {ariaTypeName: 'text'});
         assert.equal(