C86.6Header code — not billable
Primary cutaneous CD30-positive T-cell proliferations
- Chapter
- 2. Neoplasms
- Category
- C86
- Effective date
- October 1, 2026
Related codes in category C86
C86Other specified types of T/NK-cell lymphomaC86.0Extranodal NK/T-cell lymphoma, nasal typeC86.00Extranodal NK/T-cell lymphoma, nasal type not remissionYesC86.01Extranodal NK/T-cell lymphoma, nasal type, in remissionYesC86.1Hepatosplenic T-cell lymphomaC86.10Hepatosplenic T-cell lymphoma not having achieved remissionYesC86.11Hepatosplenic T-cell lymphoma, in remissionYesC86.2Enteropathy-type (intestinal) T-cell lymphomaC86.20Enteropathy-type (intestinal) T-cell lymphoma not remissionYesC86.21Enteropathy-type (intestinal) T-cell lymphoma, in remissionYesC86.3Subcutaneous panniculitis-like T-cell lymphomaC86.30Subcutaneous panniculitis-like T-cell lymphoma not remissionYes
Frequently asked questions
What is ICD-10 code C86.6?
C86.6 is an ICD-10-CM diagnosis code for Primary cutaneous CD30-positive T-cell proliferations.
Is C86.6 a billable code?
No. C86.6 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is C86.6 in?
C86.6 falls under Chapter 2: Neoplasms.
When did C86.6 become effective?
C86.6 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C86.6?
C86.6 belongs to category C86, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.