diff --git a/CRM/Contact/DAO/Contact.php b/CRM/Contact/DAO/Contact.php
index f6b08d4ddd3c..1dbc2a5f2920 100644
--- a/CRM/Contact/DAO/Contact.php
+++ b/CRM/Contact/DAO/Contact.php
@@ -6,7 +6,7 @@
  *
  * Generated from xml/schema/CRM/Contact/Contact.xml
  * DO NOT EDIT.  Generated by CRM_Core_CodeGen
- * (GenCodeChecksum:0470d0df786c3ac33a435555a3d026fb)
+ * (GenCodeChecksum:db242115b7297ba205c6abac5b8318c6)
  */
 
 /**
@@ -604,6 +604,7 @@ public static function &fields() {
           ],
           'where' => 'civicrm_contact.contact_type',
           'export' => TRUE,
+          'contactType' => 'Contact',
           'table_name' => 'civicrm_contact',
           'entity' => 'Contact',
           'bao' => 'CRM_Contact_BAO_Contact',
diff --git a/Civi/Api4/Service/Spec/SpecGatherer.php b/Civi/Api4/Service/Spec/SpecGatherer.php
index d77e3a8bc49b..6a0854192284 100644
--- a/Civi/Api4/Service/Spec/SpecGatherer.php
+++ b/Civi/Api4/Service/Spec/SpecGatherer.php
@@ -94,6 +94,9 @@ private function addDAOFields(string $entityName, string $action, RequestSpec $s
       if (isset($DAOField['contactType']) && $spec->getValue('contact_type') && $DAOField['contactType'] !== $spec->getValue('contact_type')) {
         continue;
       }
+      elseif (($DAOField['contactType'] ?? NULL) === 'Contact' && $entityName !== 'Contact') {
+        continue;
+      }
       if (!empty($DAOField['component']) && !\CRM_Core_Component::isEnabled($DAOField['component'])) {
         continue;
       }
diff --git a/Civi/Api4/Utils/FormattingUtil.php b/Civi/Api4/Utils/FormattingUtil.php
index 2aba6212f210..4f4da40dd46f 100644
--- a/Civi/Api4/Utils/FormattingUtil.php
+++ b/Civi/Api4/Utils/FormattingUtil.php
@@ -432,7 +432,7 @@ public static function contactFieldsToRemove($contactType, $prefix): array {
     if (!isset(\Civi::$statics[__CLASS__][__FUNCTION__][$contactType])) {
       \Civi::$statics[__CLASS__][__FUNCTION__][$contactType] = [];
       foreach (\CRM_Contact_DAO_Contact::fields() as $field) {
-        if (!empty($field['contactType']) && $field['contactType'] != $contactType) {
+        if (!empty($field['contactType']) && $field['contactType'] !== 'Contact' && $field['contactType'] !== $contactType) {
           \Civi::$statics[__CLASS__][__FUNCTION__][$contactType][] = $field['name'];
           // Include suffixed variants like prefix_id:label
           if (!empty($field['pseudoconstant'])) {
diff --git a/tests/phpunit/api/v4/Action/GetExtraFieldsTest.php b/tests/phpunit/api/v4/Action/GetExtraFieldsTest.php
index ec50d5097326..0ee2a9b93cde 100644
--- a/tests/phpunit/api/v4/Action/GetExtraFieldsTest.php
+++ b/tests/phpunit/api/v4/Action/GetExtraFieldsTest.php
@@ -43,21 +43,21 @@ public function testGetFieldsByContactType(): void {
 
     $individualFields = (array) $getFields->setValues(['contact_type' => 'Individual'])->execute()->indexBy('name');
     $this->assertArrayNotHasKey('sic_code', $individualFields);
-    $this->assertTrue($individualFields['contact_type']['readonly']);
+    $this->assertArrayNotHasKey('contact_type', $individualFields);
     $this->assertArrayHasKey('first_name', $individualFields);
 
     $orgId = Contact::create(FALSE)->addValue('contact_type', 'Organization')->execute()->first()['id'];
     $organizationFields = (array) $getFields->setValues(['id' => $orgId])->execute()->indexBy('name');
     $this->assertArrayHasKey('organization_name', $organizationFields);
     $this->assertArrayHasKey('sic_code', $organizationFields);
-    $this->assertTrue($organizationFields['contact_type']['readonly']);
+    $this->assertArrayNotHasKey('contact_type', $organizationFields);
     $this->assertArrayNotHasKey('first_name', $organizationFields);
     $this->assertArrayNotHasKey('household_name', $organizationFields);
 
     $hhId = Household::create(FALSE)->execute()->first()['id'];
     $householdFields = (array) $getFields->setValues(['id' => $hhId])->execute()->indexBy('name');
     $this->assertArrayNotHasKey('sic_code', $householdFields);
-    $this->assertTrue($householdFields['contact_type']['readonly']);
+    $this->assertArrayNotHasKey('contact_type', $householdFields);
     $this->assertArrayNotHasKey('first_name', $householdFields);
     $this->assertArrayHasKey('household_name', $householdFields);
   }
diff --git a/tests/phpunit/api/v4/Action/GetFieldsTest.php b/tests/phpunit/api/v4/Action/GetFieldsTest.php
index 93e769f3c8d1..8aeab52cc85f 100644
--- a/tests/phpunit/api/v4/Action/GetFieldsTest.php
+++ b/tests/phpunit/api/v4/Action/GetFieldsTest.php
@@ -66,7 +66,7 @@ public function testContactGetFields(): void {
       ->execute()
       ->indexBy('name');
     // Ensure table & column are returned
-    $this->assertEquals('civicrm_contact', $fields['display_name']['table_name']);
+    $this->assertEquals('civicrm_contact', $fields['contact_type']['table_name']);
     $this->assertEquals('display_name', $fields['display_name']['column_name']);
 
     // Check suffixes
diff --git a/xml/schema/Contact/Contact.xml b/xml/schema/Contact/Contact.xml
index 778dab43bee5..d03fb9152707 100644
--- a/xml/schema/Contact/Contact.xml
+++ b/xml/schema/Contact/Contact.xml
@@ -53,6 +53,7 @@
     <readonly>true</readonly>
     <add>1.1</add>
     <change>3.1</change>
+    <contactType>Contact</contactType>
   </field>
   <index>
     <name>index_contact_type</name>