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R23.0

R23.0: Cyanosis

Billable / specific codeICD-10-CM

R23.0 is a billable, specific ICD-10-CM code for cyanosis. It is valid for submission on a claim.

Check R23.0 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • acrocyanosis (I73.8)
  • cyanotic attacks of newborn (P28.2)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R23.0 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56730Billing and Coding: Respiratory Therapy and Oximetry Services
  • A56775Billing and Coding: Magnetic Resonance Angiography
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A57205Billing and Coding: Oximetry Services

Alphabetic index entries that lead here

  • Cyanosis
  • Change›skin›cyanosis

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R23

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.