Concept

ICD Codes

The International Classification of Diseases (ICD) assigns a unique alphanumeric code of up to six characters to every type of disease, medical condition, viral infection, and cause of death. These codes are utilized in conjunction with other healthcare coding systems, such as Current Procedural Terminology (CPT) and the Healthcare Common Procedure Coding System (HCPCS), to classify patient conditions for medical treatment and insurance billing purposes.

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Updated 2026-06-04

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