MCMedicalCodingSoftware
D00.02

D00.02: Carcinoma in situ of buccal mucosa

Billable / specific codeICD-10-CM

D00.02 is a billable, specific ICD-10-CM code for carcinoma in situ of buccal mucosa. It is valid for submission on a claim.

Check D00.02 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above D00.02

A category’s note binds every code beneath it.

Written on D00.0: Carcinoma in situ of lip, oral cavity and pharynx

  • carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D02.0)
  • carcinoma in situ of epiglottis NOS (D02.0)
  • carcinoma in situ of epiglottis suprahyoid portion (D02.0)
  • carcinoma in situ of skin of lip (D03.0, D04.0)

Written on D00: Carcinoma in situ of oral cavity, esophagus and stomach

  • melanoma in situ (D03.-)

Risk adjustment

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

Medicare coverage

D00.02 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
  • 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
  • A56695Billing and Coding: Implantable Infusion Pump

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D00.0

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.