MCMCB Pro
C83.1

C83.1Mantle cell lymphoma

Non-billable headerICD-10-CM

C83.1 is a non-billable header ICD-10-CM code for mantle cell lymphoma. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Centrocytic lymphoma
  • Malignant lymphomatous polyposis

Risk adjustment

C83.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead C83.1

11 child codes. Green means billable.

Related codes at this level

Codes that share C83. If C83.1 is not quite right, the correct code is usually one of these.

Questions about C83.1

Is C83.1 a billable ICD-10-CM code?
No. C83.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C83.1 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.