diff --git a/src/components/clinical-dashboard/universal-search-also-matches.tsx b/src/components/clinical-dashboard/universal-search-also-matches.tsx
index 3234005e6..aacee86ba 100644
--- a/src/components/clinical-dashboard/universal-search-also-matches.tsx
+++ b/src/components/clinical-dashboard/universal-search-also-matches.tsx
@@ -6,7 +6,7 @@ import { useUniversalSearch } from "@/components/clinical-dashboard/use-universa
 import { cn } from "@/components/ui-primitives";
 import { appModeDefinition, appModeHomeHref, type AppModeId } from "@/lib/app-modes";
 import { appModeIcons } from "@/lib/app-mode-icons";
-import { universalSearchModeForDomain } from "@/lib/universal-search-mode-context";
+import { universalSearchModeForDomain, universalSearchPreferredDomains } from "@/lib/universal-search-mode-context";
 
 export function UniversalSearchAlsoMatches({
   modeId,
@@ -22,6 +22,7 @@ export function UniversalSearchAlsoMatches({
     query: trimmedQuery,
     enabled: trimmedQuery.length >= 2,
     contextMode: modeId,
+    excludeDomains: universalSearchPreferredDomains(modeId),
     limitPerDomain: 2,
   });
   const preferred = new Set(universal.preferredDomains ?? []);
diff --git a/src/components/clinical-dashboard/use-universal-search.ts b/src/components/clinical-dashboard/use-universal-search.ts
index 8fa2dc967..dabdbbd6d 100644
--- a/src/components/clinical-dashboard/use-universal-search.ts
+++ b/src/components/clinical-dashboard/use-universal-search.ts
@@ -55,13 +55,13 @@ const resultCache = new Map<string, UniversalSearchResult>();
 function cacheKeyFor(
   query: string,
   contextMode: AppModeId,
-  excludeDomain: string | undefined,
+  excludedDomainsKey: string,
   limitPerDomain: number,
   authSignature: string,
 ) {
   // JSON-array key so no field can collide with another via a shared delimiter (auth header
   // values and the query itself can contain spaces, commas, etc.).
-  return JSON.stringify([authSignature, contextMode, excludeDomain ?? "", limitPerDomain, query]);
+  return JSON.stringify([authSignature, contextMode, excludedDomainsKey, limitPerDomain, query]);
 }
 
 // Non-mutating read used during render (must stay pure — no recency side effect here).
@@ -98,7 +98,7 @@ export function useUniversalSearch(args: {
   query: string;
   enabled: boolean;
   contextMode: AppModeId;
-  excludeDomain?: UniversalSearchDomain;
+  excludeDomains?: readonly UniversalSearchDomain[];
   limitPerDomain?: number;
 }): UniversalSearchState {
   const { authorizationHeader } = useAuthSession();
@@ -108,10 +108,10 @@ export function useUniversalSearch(args: {
   const trimmedQuery = args.query.trim();
   const active = args.enabled && trimmedQuery.length >= minQueryLength;
   const limitPerDomain = args.limitPerDomain ?? 3;
-  const excludeDomain = args.excludeDomain;
+  const excludedDomainsKey = universalSearchDomains.filter((domain) => args.excludeDomains?.includes(domain)).join(",");
   const authSignature = JSON.stringify(authorizationHeader ?? {});
   const cacheKey = active
-    ? cacheKeyFor(trimmedQuery, args.contextMode, excludeDomain, limitPerDomain, authSignature)
+    ? cacheKeyFor(trimmedQuery, args.contextMode, excludedDomainsKey, limitPerDomain, authSignature)
     : null;
 
   useEffect(() => {
@@ -144,7 +144,8 @@ export function useUniversalSearch(args: {
     // is not enough — abort frees the server/DB work too.
     const controller = new AbortController();
     const timer = window.setTimeout(() => {
-      const domains = universalSearchDomains.filter((domain) => domain !== excludeDomain);
+      const excludedDomains = new Set(excludedDomainsKey ? excludedDomainsKey.split(",") : []);
+      const domains = universalSearchDomains.filter((domain) => !excludedDomains.has(domain));
       const params = new URLSearchParams({
         q: trimmedQuery,
         limit: String(limitPerDomain),
@@ -185,7 +186,7 @@ export function useUniversalSearch(args: {
       window.clearTimeout(timer);
       controller.abort();
     };
-  }, [active, cacheKey, trimmedQuery, excludeDomain, limitPerDomain, authorizationHeader, args.contextMode]);
+  }, [active, cacheKey, trimmedQuery, excludedDomainsKey, limitPerDomain, authorizationHeader, args.contextMode]);
 
   if (!active) return { groups: [], loading: false, query: "" };
 
diff --git a/tests/ui-universal-search.spec.ts b/tests/ui-universal-search.spec.ts
index 6f2d08cd9..821fa4176 100644
--- a/tests/ui-universal-search.spec.ts
+++ b/tests/ui-universal-search.spec.ts
@@ -202,11 +202,13 @@ test.describe("universal search typeahead", () => {
 
   test("keeps compact cross-mode matches visible after submission", async ({ page }) => {
     await mockUniversalSearch(page);
+    const universalRequest = page.waitForRequest(/\/api\/search\/universal(?:\?.*)?$/);
     await page.goto("/services?q=acamprosate&run=1", { waitUntil: "domcontentloaded" });
 
     await expect(page.getByTestId("universal-also-matches")).toBeVisible();
     await expect(page.getByText("Also matches in other modes")).toBeVisible();
     await expect(page.getByRole("link", { name: "Acamprosate", exact: true })).toBeVisible();
+    expect(new URL((await universalRequest).url()).searchParams.get("domains")?.split(",")).not.toContain("services");
   });
 
   test("shows submitted cross-mode matches on phones outside hidden desktop headers", async ({ page }) => {
@@ -311,7 +313,7 @@ test.describe("universal search smart affordances", () => {
     await mockSmartSearch(page);
     const input = await openComposer(page, "/?mode=answer&focus=1");
     await input.fill("acamprosat");
-    await input.press("Enter");
+    await page.getByRole("button", { name: "Generate source-backed answer" }).click();
 
     await expect(page.getByTestId("universal-also-matches")).toBeVisible();
   });