Brackets [ ]
Brackets in ICD-10-CM are used primarily in the Alphabetic Index to identify manifestation codes that are assigned in addition to an underlying condition
Definition
Brackets in ICD-10-CM are used primarily in the Alphabetic Index to identify manifestation codes that are assigned in addition to an underlying condition
Why it matters
Brackets [ ] 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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