diff --git a/package-lock.json b/package-lock.json
index 29bc106..ff99499 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5206,9 +5206,9 @@
       "license": "MIT"
     },
     "node_modules/cookie": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
-      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==",
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
+      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -5280,9 +5280,9 @@
       }
     },
     "node_modules/cross-spawn": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -6827,9 +6827,9 @@
       }
     },
     "node_modules/express": {
-      "version": "4.21.0",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
-      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.2.tgz",
+      "integrity": "sha512-28HqgMZAmih1Czt9ny7qr6ek2qddF4FclbMzwhCREB6OFfH+rXAnuNCwo1/wFvrtbgsQDb4kSbX9de9lFbrXnA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -6838,7 +6838,7 @@
         "body-parser": "1.20.3",
         "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
-        "cookie": "0.6.0",
+        "cookie": "0.7.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",
@@ -6852,7 +6852,7 @@
         "methods": "~1.1.2",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.10",
+        "path-to-regexp": "0.1.12",
         "proxy-addr": "~2.0.7",
         "qs": "6.13.0",
         "range-parser": "~1.2.1",
@@ -6867,6 +6867,10 @@
       },
       "engines": {
         "node": ">= 0.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
       }
     },
     "node_modules/express/node_modules/debug": {
@@ -7925,9 +7929,9 @@
       }
     },
     "node_modules/http-proxy-middleware": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.6.tgz",
-      "integrity": "sha512-ya/UeJ6HVBYxrgYotAZo1KvPWlgB48kUJLDePFeneHsVujFaW5WNj2NgWCAE//B1Dl02BIfYlpNgBy8Kf8Rjmw==",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.7.tgz",
+      "integrity": "sha512-fgVY8AV7qU7z/MmXJ/rxwbrtQH4jBQ9m7kp3llF0liB7glmFeVZFBepQb32T3y8n8k2+AEYuMPCpinYW+/CuRA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -11204,9 +11208,9 @@
       }
     },
     "node_modules/nanoid": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.7.tgz",
-      "integrity": "sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g==",
+      "version": "3.3.8",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.8.tgz",
+      "integrity": "sha512-WNLf5Sd8oZxOm+TzppcYk8gVOgP+l58xNy58D0nbUnOxOWRWvlcCV4kUF7ltmI6PsrLl/BgKEyS4mqsGChFN0w==",
       "dev": true,
       "funding": [
         {
@@ -11699,9 +11703,9 @@
       "license": "MIT"
     },
     "node_modules/path-to-regexp": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
-      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w==",
+      "version": "0.1.12",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.12.tgz",
+      "integrity": "sha512-RA1GjUVMnvYFxuqovrEqZoxxW5NUZqbwKtYz/Tt7nXerk0LbLblQmrsgdeOxV5SFHf0UDggjS/bSeOZwt1pmEQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/src/api/useTerminologyServiceApi.test.ts b/src/api/useTerminologyServiceApi.test.ts
index c4acee1..9f6cd5e 100644
--- a/src/api/useTerminologyServiceApi.test.ts
+++ b/src/api/useTerminologyServiceApi.test.ts
@@ -103,4 +103,32 @@ describe("useTerminologyServiceApi", () => {
     expect(mockedAxios.post).toBeCalledTimes(1);
     expect(result).toContain("failure");
   });
+
+  it("Log out UMLS success", async () => {
+    const resp = { status: 200, data: true };
+    mockedAxios.delete.mockResolvedValue(resp);
+    const terminlogyService: TerminologyServiceApi = useTerminologyServiceApi();
+    await terminlogyService.logoutUMLS();
+    expect(mockedAxios.delete).toBeCalledTimes(1);
+  });
+
+  it("Log out UMLS failure", async () => {
+    const resp = { status: 404, data: false, error: { message: "error" } };
+    mockedAxios.delete.mockRejectedValueOnce(resp);
+    const terminlogyService: TerminologyServiceApi = useTerminologyServiceApi();
+    try {
+      const loggedout = await terminlogyService.logoutUMLS();
+      expect(mockedAxios.delete).toBeCalledTimes(1);
+      expect(loggedout).toBeFalsy();
+    } catch {}
+  });
+
+  it("Log out UMLS returns false if status is not 200", async () => {
+    const resp = { status: 201, data: true };
+    mockedAxios.delete.mockResolvedValue(resp);
+    const terminlogyService: TerminologyServiceApi = useTerminologyServiceApi();
+    const loggedout = await terminlogyService.logoutUMLS();
+    expect(mockedAxios.delete).toBeCalledTimes(1);
+    expect(loggedout).toBeFalsy();
+  });
 });
diff --git a/src/api/useTerminologyServiceApi.ts b/src/api/useTerminologyServiceApi.ts
index 8976b27..d5ce05d 100644
--- a/src/api/useTerminologyServiceApi.ts
+++ b/src/api/useTerminologyServiceApi.ts
@@ -48,6 +48,28 @@ export class TerminologyServiceApi {
       });
     return "failure";
   }
+
+  async logoutUMLS(): Promise<Boolean> {
+    const baseUrl = await getServiceUrl();
+    const resp = await axios
+      .delete(`${baseUrl}/vsac/umls-credentials`, {
+        headers: {
+          Authorization: `Bearer ${this.getAccessToken()}`,
+          "Content-Type": "text/plain",
+        },
+        timeout: 15000,
+      })
+      .then((resp) => {
+        // Check response status and return true if successful
+        return resp.status === 200;
+      })
+      .catch((error) => {
+        // Log the error or handle it as needed
+        console.error("UMLS Logout failed:", error);
+        throw error;
+      });
+    return false;
+  }
 }
 
 export const getServiceUrl = async () => {