C82
ICD-10Non-billable categoryFollicular lymphoma
Official ICD-10-CM descriptor (FY2026)
Follicular lymphoma
C82 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.
Includes
- follicular lymphoma with or without diffuse areas
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- mature T/NK-cell lymphomas (C84.-)
- personal history of non-Hodgkin lymphoma (Z85.72)
More specific codes under C82
- C82.0Follicular lymphoma grade Icategory
- C82.1Follicular lymphoma grade IIcategory
- C82.2Follicular lymphoma grade III, unspecifiedcategory
- C82.3Follicular lymphoma grade IIIacategory
- C82.4Follicular lymphoma grade IIIbcategory
- C82.5Diffuse follicle center lymphomacategory
- C82.6Cutaneous follicle center lymphomacategory
- C82.8Other types of follicular lymphomacategory
- C82.9Follicular lymphoma, unspecifiedcategory
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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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.