diff --git a/src/civic/therapy.js b/src/civic/therapy.js
index 8dab93aa..f58d8280 100644
--- a/src/civic/therapy.js
+++ b/src/civic/therapy.js
@@ -1,7 +1,6 @@
 const { logger } = require('../logging');
 const { ncit: NCIT_SOURCE_DEFN } = require('../sources');
 const { orderPreferredOntologyTerms, rid } = require('../graphkb');
-const { isString } = require('lodash');
 
 
 /**
@@ -60,7 +59,7 @@ const resolveTherapies = (evidenceItem) => {
  */
 const getTherapy = async (conn, therapyRecord) => {
     const name = therapyRecord.name.toLowerCase().trim();
-    const ncitId = therapyRecord.ncitId && isString(therapyRecord.ncitId)
+    const ncitId = therapyRecord.ncitId && typeof therapyRecord.ncitId === 'string'
         ? therapyRecord.ncitId.toLowerCase().trim()
         : therapyRecord.ncitId;