ICD-10-CM Code Lookup
Search 70,000+ ICD-10-CM diagnosis codes instantly. Type a keyword (e.g. diabetes) or a code (e.g. E11) to get started.
What is ICD-10-CM?
ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification) is the standard system used in the US to classify and code diagnoses, symptoms, and medical conditions on insurance claims.
Who Uses These Codes?
Medical coders, billers, physicians, and insurers use ICD-10-CM codes on every claim. The CPC exam tests your ability to assign the correct ICD-10-CM code based on physician documentation.
How Often Are Codes Updated?
CMS updates ICD-10-CM codes annually every October 1. This tool reflects the current fiscal year code set. Always verify against the official CMS guidelines for billing purposes.
How to Use This ICD-10-CM Lookup Tool
This free tool lets you search the complete ICD-10-CM code set used in the United States. You can search two ways:
- By keyword — type a condition name like diabetes, hypertension, or pneumonia to see all matching codes
- By code prefix — type a code like E11 to see all codes in that category
Understanding the Results
- Billable (✔ Yes) — this code can be used on a claim. It's specific enough to submit.
- Header — this is a category-level code. You must use a more specific child code for billing.
- Category — the ICD-10-CM chapter this code belongs to (e.g. Endocrine, Respiratory).
Official ICD-10-CM Resources
This tool is for educational use. For official billing and compliance purposes, always verify codes against: