C84.Z6 – Other mature T/NK-cell lymphomas, intrapelvic lymph nodes
ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lymphoid, hematopoietic and related tissue
ICD-10-CM code
C84.Z6
- Code
C84.Z6(claims format:C84Z6)- Description
- Other mature T/NK-cell lymphomas, intrapelvic lymph nodes
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
- Parent codes
- C84 › C84.Z
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
C84 – Mature T/NK-cell lymphomas
Excludes1 (not coded here):
- personal history of non-Hodgkin lymphoma (Z85.72)
C84.Z – Other mature T/NK-cell lymphomas
Excludes1 (not coded here):
- angioimmunoblastic T-cell lymphoma (C86.50)
- blastic NK-cell lymphoma (C86.40)
- enteropathy-type T-cell lymphoma (C86.20)
- extranodal NK-cell lymphoma, nasal type (C86.00)
- hepatosplenic T-cell lymphoma (C86.10)
- primary cutaneous CD30-positive T-cell proliferations (C86.60)
- subcutaneous panniculitis-like T-cell lymphoma (C86.30)
- T-cell leukemia (C91.1-)
Notes:
- If T-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.
Block C81-C96
Related codes in C84.Z
- C84.Z0 – Other mature T/NK-cell lymphomas, unspecified siteBillable
- C84.Z1 – Other mature T/NK-cell lymphomas, lymph nodes of head, face, and neckBillable
- C84.Z2 – Other mature T/NK-cell lymphomas, intrathoracic lymph nodesBillable
- C84.Z3 – Other mature T/NK-cell lymphomas, intra-abdominal lymph nodesBillable
- C84.Z4 – Other mature T/NK-cell lymphomas, lymph nodes of axilla and upper limbBillable
- C84.Z5 – Other mature T/NK-cell lymphomas, lymph nodes of inguinal region and lower limbBillable
- C84.Z7 – Other mature T/NK-cell lymphomas, spleenBillable
- C84.Z8 – Other mature T/NK-cell lymphomas, lymph nodes of multiple sitesBillable
- C84.Z9 – Other mature T/NK-cell lymphomas, extranodal and solid organ sitesBillable
- C84.ZA – Other mature T/NK-cell lymphomas, in remissionBillable
Frequently asked questions
What is ICD-10 code C84.Z6?
C84.Z6 is the ICD-10-CM code for other mature T/NK-cell lymphomas, intrapelvic lymph nodes, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).
Is C84.Z6 a billable code?
Yes. C84.Z6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does C84.Z6 belong to?
It belongs to category C84 – Mature T/NK-cell lymphomas.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.