C84.A
ICD-10Non-billable categoryCutaneous T-cell lymphoma, unspecified
Official ICD-10-CM descriptor (FY2026)
Cutaneous T-cell lymphoma, unspecified
C84.A 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.
ICD-10-CM FY2026 defines 11 codes beneath C84.A. See the ICD-10-CM index for what this site publishes.
Related codes in C84
- C84.0Mycosis fungoidescategory
- C84.1Sezary diseasecategory
- C84.4Peripheral T-cell lymphoma, not elsewhere classifiedcategory
- C84.6Anaplastic large cell lymphoma, ALK-positivecategory
- C84.7Anaplastic large cell lymphoma, ALK-negativecategory
- C84.ZOther mature T/NK-cell lymphomascategory
- C84.9Mature T/NK-cell lymphomas, unspecifiedcategory
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- C84
Krasyn AI Coder
Get code suggestions automatically as you type notes. Free for 50 analyses.
Install for Chrome — freeSource
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.