C83.1

ICD-10Non-billable category

Mantle cell lymphoma

Official ICD-10-CM descriptor (FY2026)

Mantle cell lymphoma

C83.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

  • Centrocytic lymphoma
  • Malignant lymphomatous polyposis

ICD-10-CM FY2026 defines 11 codes beneath C83.1. See the ICD-10-CM index for what this site publishes.

Related codes in C83

Where this code sits

Parent code
C83

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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