C85.16 – Unspecified B-cell lymphoma, intrapelvic lymph nodes

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lymphoid, hematopoietic and related tissue

Billable code

ICD-10-CM code C85.16
Code
C85.16 (claims format: C8516)
Description
Unspecified B-cell lymphoma, 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
C85 › C85.1

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C85 – Other specified and unspecified types of non-Hodgkin lymphoma

Excludes1 (not coded here):
  • other specified types of T/NK-cell lymphoma (C86.-)
  • personal history of non-Hodgkin lymphoma (Z85.72)

C85.1 – Unspecified B-cell lymphoma

Notes:
  • If B-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.

Block C81-C96

Excludes2 (not included here):
  • Kaposi's sarcoma of lymph nodes (C46.3)
  • secondary and unspecified neoplasm of lymph nodes (C77.-)
  • secondary neoplasm of bone marrow (C79.52)
  • secondary neoplasm of spleen (C78.89)

Related codes in C85.1

Frequently asked questions

What is ICD-10 code C85.16?

C85.16 is the ICD-10-CM code for unspecified B-cell lymphoma, intrapelvic lymph nodes, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C85.16 a billable code?

Yes. C85.16 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C85.16 belong to?

It belongs to category C85 – Other specified and unspecified types of non-Hodgkin lymphoma.

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.