diff --git a/plugins/performance-lab/includes/site-health/audit-autoloaded-options/hooks.php b/plugins/performance-lab/includes/site-health/audit-autoloaded-options/hooks.php
index d6e75fa065..cd3fa5889f 100644
--- a/plugins/performance-lab/includes/site-health/audit-autoloaded-options/hooks.php
+++ b/plugins/performance-lab/includes/site-health/audit-autoloaded-options/hooks.php
@@ -19,6 +19,11 @@
  * @return array{direct: array<string, array{label: string, test: string}>} Amended tests.
  */
 function perflab_aao_add_autoloaded_options_test( array $tests ): array {
+	// Bail early if check already registered in WordPress core version 6.6.
+	if ( isset( $tests['direct']['autoloaded_options'] ) ) {
+		return $tests;
+	}
+
 	$tests['direct']['autoloaded_options'] = array(
 		'label' => __( 'Autoloaded options', 'performance-lab' ),
 		'test'  => 'perflab_aao_autoloaded_options_test',
@@ -111,3 +116,16 @@ function perflab_aao_admin_notices(): void {
 	}
 }
 add_action( 'admin_notices', 'perflab_aao_admin_notices' );
+
+/**
+ * Extends the health check description that merged in WordPress 6.6.
+ *
+ * @since n.e.x.t
+ *
+ * @param string $description Description message when autoloaded options bigger than threshold.
+ * @return string Extended health check description.
+ */
+function perflab_aao_extend_core_check( string $description ): string {
+	return $description . perflab_aao_get_autoloaded_options_table() . perflab_aao_get_disabled_autoloaded_options_table();
+}
+add_filter( 'site_status_autoloaded_options_limit_description', 'perflab_aao_extend_core_check' );