diff --git a/README.md b/README.md
index a5e0d0a..1d3ca99 100644
--- a/README.md
+++ b/README.md
@@ -555,6 +555,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Diabetes](http://predictbgl.com/api/) | Logging and retrieving diabetes information | No | No | Unknown |
 | [Flutrack](http://www.flutrack.org/) | Influenza-like symptoms with geotracking | No | No | Unknown |
 | [Healthcare.gov](https://www.healthcare.gov/developers/) | Educational content about the US Health Insurance Marketplace | No | Yes | Unknown |
+| [ICD-10 Codes](https://clinicaltables.nlm.nih.gov/apidoc/icd10cm/v3/doc.html) | List of all healthcare diagnosis codes | No | Yes | Unknown |
 | [Lexigram](https://docs.lexigram.io/v1/welcome) | NLP that extracts mentions of clinical concepts from text, gives access to clinical ontology | `apiKey` | Yes | Unknown |
 | [Makeup](http://makeup-api.herokuapp.com/) | Makeup Information | No | No | Unknown |
 | [Medicare](https://data.medicare.gov/developers) | Access to the data from the CMS - medicare.gov | No | Yes | Unknown |