Groundbreaking: First-Ever HCC RAF Score Accessible Through REST API
First-Ever HCC RAF Score Accessible Through REST API
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Elevate Provider Support:
Enhance Your Concurrent Coding
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ICD-10-CM Codes R00-R99 R20-R23 R21

ICD-10-CM Diagnosis Code R21

Rash and other nonspecific skin eruption

Effective Date: 10/01/2015 To 09/30/2025

Includes for R21:

  • rash NOS

Excludes-1 for R21:

  • specified type of rash- code to condition

  • vesicular eruption (R23.8)

Codes Hierarchy:

    • R21  Rash and other nonspecific skin eruption