Is C86.4 a billable code?
No. C86.4 is a header code that groups 2 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
C86.4: Blastic NK-cell lymphoma
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
C86.4 groups related diagnoses under blastic nk-cell lymphoma. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under C86.4
- C86.40Blastic NK-cell lymphoma not having achieved remission
- C86.41Blastic NK-cell lymphoma, in remission
Other codes in C86 Other specified types of T/NK-cell lymphoma
- C86.0Extranodal NK/T-cell lymphoma, nasal typeheader
- C86.1Hepatosplenic T-cell lymphomaheader
- C86.2Enteropathy-type (intestinal) T-cell lymphomaheader
- C86.3Subcutaneous panniculitis-like T-cell lymphomaheader
- C86.5Angioimmunoblastic T-cell lymphomaheader
- C86.6Primary cutaneous CD30-positive T-cell proliferationsheader
C86.4 questions
What does C86.4 mean?
C86.4 is the ICD-10-CM code for Blastic NK-cell lymphoma. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.