diff --git a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/indexpattern.tsx b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/indexpattern.tsx
index 15f19bb9d97e6b..b58a2d8ca52c75 100644
--- a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/indexpattern.tsx
+++ b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/indexpattern.tsx
@@ -115,8 +115,12 @@ export function getIndexPatternDatasource({
   const indexPatternDatasource: Datasource<IndexPatternPrivateState, IndexPatternPersistedState> = {
     id: 'indexpattern',
 
-    initialize(state?: IndexPatternPersistedState) {
-      return loadInitialState({ state, savedObjectsClient });
+    async initialize(state?: IndexPatternPersistedState) {
+      return loadInitialState({
+        state,
+        savedObjectsClient,
+        defaultIndexPatternId: core.uiSettings.get('defaultIndex'),
+      });
     },
 
     getPersistableState({ currentIndexPatternId, layers }: IndexPatternPrivateState) {
diff --git a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.test.ts b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.test.ts
index 2fb678aed5a54b..e180ab690d4185 100644
--- a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.test.ts
+++ b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.test.ts
@@ -114,8 +114,9 @@ const sampleIndexPatterns = {
       {
         name: 'source',
         type: 'string',
-        aggregatable: true,
-        searchable: true,
+        aggregatable: false,
+        searchable: false,
+        scripted: true,
         aggregationRestrictions: {
           terms: {
             agg: 'terms',
@@ -196,7 +197,7 @@ describe('loader', () => {
       expect(cache).toMatchObject(sampleIndexPatterns);
     });
 
-    it('should not allow full text fields', async () => {
+    it('should allow scripted, but not full text fields', async () => {
       const cache = await loadIndexPatterns({
         cache: {},
         patterns: ['a', 'b'],
@@ -286,6 +287,26 @@ describe('loader', () => {
       });
     });
 
+    it('should use the default index pattern id, if provided', async () => {
+      const state = await loadInitialState({
+        defaultIndexPatternId: 'b',
+        savedObjectsClient: mockClient(),
+      });
+
+      expect(state).toMatchObject({
+        currentIndexPatternId: 'b',
+        indexPatternRefs: [
+          { id: 'a', title: sampleIndexPatterns.a.title },
+          { id: 'b', title: sampleIndexPatterns.b.title },
+        ],
+        indexPatterns: {
+          b: sampleIndexPatterns.b,
+        },
+        layers: {},
+        showEmptyFields: false,
+      });
+    });
+
     it('should initialize from saved state', async () => {
       const savedState: IndexPatternPersistedState = {
         currentIndexPatternId: 'b',
diff --git a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.ts b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.ts
index 661c627f3454f6..7f46f50786cf48 100644
--- a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.ts
+++ b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/loader.ts
@@ -84,9 +84,11 @@ export async function loadIndexPatterns({
 export async function loadInitialState({
   state,
   savedObjectsClient,
+  defaultIndexPatternId,
 }: {
   state?: IndexPatternPersistedState;
   savedObjectsClient: SavedObjectsClient;
+  defaultIndexPatternId?: string;
 }): Promise<IndexPatternPrivateState> {
   const indexPatternRefs = await loadIndexPatternRefs(savedObjectsClient);
   const requiredPatterns = _.unique(
@@ -94,7 +96,7 @@ export async function loadInitialState({
       ? Object.values(state.layers)
           .map(l => l.indexPatternId)
           .concat(state.currentIndexPatternId)
-      : [indexPatternRefs[0].id]
+      : [defaultIndexPatternId || indexPatternRefs[0].id]
   );
 
   const currentIndexPatternId = requiredPatterns[0];
@@ -280,7 +282,7 @@ function fromSavedObject(
     type,
     title: attributes.title,
     fields: (JSON.parse(attributes.fields) as IndexPatternField[])
-      .filter(({ aggregatable }) => !!aggregatable)
+      .filter(({ aggregatable, scripted }) => !!aggregatable || !!scripted)
       .concat(documentField),
     typeMeta: attributes.typeMeta
       ? (JSON.parse(attributes.typeMeta) as SavedRestrictionsInfo)
diff --git a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/types.ts b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/types.ts
index 9ed50836333148..50478515d19ce2 100644
--- a/x-pack/legacy/plugins/lens/public/indexpattern_plugin/types.ts
+++ b/x-pack/legacy/plugins/lens/public/indexpattern_plugin/types.ts
@@ -39,6 +39,7 @@ export interface IndexPatternField {
   type: string;
   esTypes?: string[];
   aggregatable: boolean;
+  scripted?: boolean;
   searchable: boolean;
   aggregationRestrictions?: AggregationRestrictions;
 }