Free Tool

Free ICD-10 Code Lookup

Search ICD-10-CM diagnosis codes by description or keyword. Built for healthcare professionals, medical billers, and data teams.

1,000+

Codes indexed

ICD-10 chapters

Instant

No server round-trip

Need HCP data tied to specific diagnoses?

EmailAddress.ai has verified contacts for 10.17M+ healthcare professionals, segmented by specialty, NPI, facility, and diagnosis focus. Ideal for pharma, medtech, and specialty therapy outreach.

See HCP Data Licensing

About This Tool

The ICD-10 Code Lookup gives you instant access to over 600 ICD-10-CM diagnosis codes across all major clinical chapters. Search by code, description, or keyword -- results update instantly in your browser with no server round-trip.

Medical coders and billers use this tool to verify diagnosis codes quickly. Pharma and specialty therapy marketing teams use ICD-10 codes to segment healthcare providers by the conditions they treat -- mapping diagnosis codes to the right specialists for targeted outreach.

Want a list of verified HCPs who actively treat a specific diagnosis? See our HCP Data Licensing -- we can segment by specialty, sub-specialty, and condition focus across 10.17M+ providers.

Frequently Asked Questions

What is an ICD-10 code?

ICD-10 (International Classification of Diseases, 10th Revision) codes are alphanumeric codes used by healthcare providers and insurers to classify diagnoses, symptoms, and procedures for billing, reporting, and research.

How are ICD-10 codes used in pharma marketing?

Pharma and specialty therapy teams use ICD-10 codes to identify which physicians are treating specific conditions, enabling highly targeted outreach. A drug approved for a specific diagnosis code can be promoted to prescribers who actively bill that code.

How many ICD-10 codes are in this lookup?

This tool includes over 600 of the most clinically relevant ICD-10-CM codes across all 21 chapters, from infectious diseases and neoplasms to circulatory, respiratory, and mental health conditions.

Can I find HCPs who treat specific diagnoses?

Yes. EmailAddress.ai's HCP data includes specialty and sub-specialty segmentation that maps to ICD-10 code clusters. Contact our team to build a list of verified providers actively treating your target condition.