Three-Character Category
A Three-Character Category consists of the first three characters of an ICD-10-CM code and identifies a broad disease classification.
Definition
A Three-Character Category consists of the first three characters of an ICD-10-CM code and identifies a broad disease classification.
Why it matters
Three-Character Category is part of the Coding vocabulary used across home health operations, documentation, and revenue cycle. Understanding it helps clinicians, QA leads, and administrators stay aligned on care quality and compliance.
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