2026 ICD-10-CM Codes A00-B99 Certain infectious and parasitic diseases C00-D49 Neoplasms D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism E00-E89 ICD10Data.com is a free reference website designed for the fast lookup of all current American ICD-10-CM (diagnosis) and ICD-10-PCS (procedure) medical billing codes. Search the current list of American ICD-10-CM diagnosis codes with our free lookup tools. Find codes by name, descriptions or clinical terms.

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CMS guide to ICD-10 coding for diagnosis and procedures, including code set resources, quarterly updates, and implementation requirements for providers. Now you can find exactly what you need to report accurate diagnoses, coded to the highest level of specificity, with features that include: Use Codify by AAPC for ICD-10 code lookup, medical coding reference, online ICD-10-CM codes search, Diagnosis Codes guidelines, lay terms and many more.