Search the current list of American ICD-10-CM diagnosis codes with our free lookup tools. Find codes by name, descriptions or clinical terms. 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. Use our free ICD-10 lookup tools to easily find diagnosis codes, procedure codes, medical coding guidelines, and billing details. We also offer code converters, easy-to-navigate indexes, and reference tables for your convenience. 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. What is an implantable cardioverter defibrillator? An ICD is a battery-powered device placed under the skin that keeps track of your heart rate. Thin wires connect the ICD to your heart. If an abnormal heart rhythm is detected, the device will deliver an electric shock to restore a normal heartbeat. The International Classification of Diseases (ICD) is used to standardize mortality (death) statistics. This includes a format for reporting causes of death on a person's death certificate. 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 An implantable cardioverter-defibrillator, also called an ICD, is a small battery-powered device placed in the chest. It detects and stops irregular heartbeats, also called arrhythmias. An ICD constantly checks the heartbeat. It delivers electric shocks, when needed, to restore a regular heartbeat. ICD serves a broad range of uses globally and provides critical knowledge on the extent, causes and consequences of human disease and death worldwide via data that is reported and coded with the ICD. ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized system used to code diseases and medical conditions (morbidity) data.