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ICD-10 code search

Search ICD-10-CM diagnosis codes by description or code, with billable flags and the current CMS release. Free, no login.

Try:Never enter patient information.

Get this as an API

The same lookup, from your code or your agent. 5,000 free calls a month, no card.

Get a free keyQuickstart
curl "https://api.healthcare.dev/v1/codes/icd10cm?q=E11.9" \
  -H "Authorization: Bearer $HDEV_API_KEY"

How it works

ICD-10 code search, step by step

  1. 01

    Type words from a diagnosis ("type 2 diabetes kidney") or a code ("E11.22").

  2. 02

    Results are ranked by relevance and tolerate typos.

  3. 03

    Billable codes are marked; header codes need a more specific child.

More on the data: ICD-10 API · Quickstart

Questions

FAQ

What is a billable ICD-10-CM code?
A code at the most specific level of its branch. Only billable codes can go on a claim; category headers like E11 cannot.
Which ICD-10-CM release does this use?
The current CMS release, which is shown with every result as the data version.