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D02.21

D02.21: Carcinoma in situ of right bronchus and lung

Billable / specific codeICD-10-CMright

D02.21 is a billable, specific ICD-10-CM code for carcinoma in situ of right bronchus and lung. It is valid for submission on a claim.

Check D02.21 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above D02.21

A category’s note binds every code beneath it.

Written on D02: Carcinoma in situ of middle ear and respiratory system

  • melanoma in situ (D03.-)

Risk adjustment

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

Medicare coverage

D02.21 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
  • A52986Billing and Coding: Biomarkers for Oncology
  • A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D02.2

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.