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C83.01

C83.01Small cell B-cell lymphoma, lymph nodes of head, face, and neck

Billable / specific codeICD-10-CM

C83.01 is a billable, specific ICD-10-CM code for small cell b-cell lymphoma, lymph nodes of head, face, and neck. It is valid for submission on a claim.

Risk adjustment

C83.01 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 21 Lymphoma and Other Cancers0.671 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

C83.01 is named in 62 Medicare coverage policies 62 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
  • A52479Oral Anticancer Drugs - Policy Article
  • A52479Oral Anticancer Drugs - Policy Article
  • A52479Oral Anticancer Drugs - Policy Article

Related codes at this level

Codes that share C83.0. If C83.01 is not quite right, the correct code is usually one of these.

Questions about C83.01

Is C83.01 a billable ICD-10-CM code?
Yes. C83.01 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C83.01 sit in the tabular list?
Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).
ICD-10-CMFY2026-Apr· effective April 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.