diff --git a/package.json b/package.json
index 1420e3a08..63d61535a 100644
--- a/package.json
+++ b/package.json
@@ -211,7 +211,7 @@
     "yarn-deduplicate": "^1.1.1"
   },
   "dependencies": {
-    "@sourcegraph/basic-code-intel": "^9.0.0",
+    "@sourcegraph/basic-code-intel": "^10.0.0",
     "@sourcegraph/lightstep-tracer-webworker": "^0.20.14-fork.3",
     "@sourcegraph/typescript-language-server": "^0.3.7-fork",
     "@sourcegraph/vscode-ws-jsonrpc": "0.0.3-fork",
diff --git a/src/extension/extension.ts b/src/extension/extension.ts
index 1fc39266d..7d4aee422 100644
--- a/src/extension/extension.ts
+++ b/src/extension/extension.ts
@@ -6,7 +6,7 @@ import { URL as _URL, URLSearchParams as _URLSearchParams } from 'whatwg-url'
 Object.assign(_URL, self.URL)
 Object.assign(self, { URL: _URL, URLSearchParams: _URLSearchParams })
 
-import { initLSIF, mkIsLSIFAvailable } from '@sourcegraph/basic-code-intel'
+import { initLSIF, mkIsLSIFAvailable, impreciseBadge } from '@sourcegraph/basic-code-intel'
 import { Tracer as LightstepTracer } from '@sourcegraph/lightstep-tracer-webworker'
 import {
     createMessageConnection,
@@ -519,7 +519,12 @@ export async function activate(ctx: sourcegraph.ExtensionContext): Promise<void>
                 if (lsifResult) {
                     yield lsifResult.value
                 } else if (!config.value['typescript.serverUrl']) {
-                    yield await basicCodeIntel.hover(textDocument, position)
+                    const result = await basicCodeIntel.hover(textDocument, position)
+                    if (result) {
+                        yield { ...result, badge: impreciseBadge }
+                    } else {
+                        yield undefined
+                    }
                 } else {
                     const textDocumentUri = new URL(textDocument.uri)
                     const serverRootUri = resolveServerRootUri(textDocumentUri, serverSgEndpoint)
@@ -568,7 +573,16 @@ export async function activate(ctx: sourcegraph.ExtensionContext): Promise<void>
                     if (lsifResult) {
                         yield lsifResult.value
                     } else if (!config.value['typescript.serverUrl']) {
-                        yield await basicCodeIntel.definition(textDocument, position)
+                        const result = await basicCodeIntel.definition(textDocument, position)
+                        if (result) {
+                            if (Array.isArray(result)) {
+                                yield result.map(v => ({ ...v, badge: impreciseBadge }))
+                            } else {
+                                yield { ...result, badge: impreciseBadge }
+                            }
+                        } else {
+                            yield undefined
+                        }
                     } else {
                         const textDocumentUri = new URL(textDocument.uri)
                         const serverRootUri = resolveServerRootUri(textDocumentUri, serverSgEndpoint)
@@ -625,7 +639,9 @@ export async function activate(ctx: sourcegraph.ExtensionContext): Promise<void>
 
                     yield [
                         ...(lsifReferences === undefined ? [] : lsifReferences.value),
-                        ...fuzzyReferences.filter(fuzzyRef => !lsifFiles.has(file(fuzzyRef))),
+                        ...fuzzyReferences
+                            .filter(fuzzyRef => !lsifFiles.has(file(fuzzyRef)))
+                            .map(v => ({ ...v, badge: impreciseBadge })),
                     ]
                 } else {
                     const textDocumentUri = new URL(textDocument.uri)
diff --git a/yarn.lock b/yarn.lock
index fa01d3b51..459ed8f44 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -801,10 +801,10 @@
   resolved "https://registry.npmjs.org/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
   integrity sha512-ONhaKPIufzzrlNbqtWFFd+jlnemX6lJAgq9ZeiZtS7I1PIf/la7CW4m83rTXRnVnsMbW2k56pGYu7AUFJD9Pow==
 
-"@sourcegraph/basic-code-intel@^9.0.0":
-  version "9.0.0"
-  resolved "https://registry.npmjs.org/@sourcegraph/basic-code-intel/-/basic-code-intel-9.0.0.tgz#fb750d8b02a4dcb6eb1dab123ea547c3c8897203"
-  integrity sha512-HChZ2dOlG2teKWwnTG72zZcK7eXpndCzp/z0nM+UmDgtUG7xAoO68xt1NMmko2mkD/aTqlya4ni9D9jMEN5oAA==
+"@sourcegraph/basic-code-intel@^10.0.0":
+  version "10.0.0"
+  resolved "https://registry.npmjs.org/@sourcegraph/basic-code-intel/-/basic-code-intel-10.0.0.tgz#b505f9c8dd2cd63b0bd98b3fd8ad4c7813464c65"
+  integrity sha512-ZYFv3zMEOQK3LlSr5McevXWMbBZsuOLT3JWrr1T4bCZ4prQ3A5yvyIinsDWAK5y31obTrb+v0KZJ0i8ly7HbAg==
   dependencies:
     lodash "^4.17.11"
     rxjs "^6.3.3"