C96 – Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

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

Non-billable header

ICD-10-CM code C96

Code: C96 (claims format: C96)
Description: Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
Short description: Oth & unsp malig neoplm of lymphoid, hematpoetc and rel tiss
Billable: No – use a more specific code below
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

Billable codes under C96

C96 is a header code and cannot be used on claims. Choose the most specific code:

C96.0 – Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosisBillable
C96.2 – Malignant mast cell neoplasmHeader (more codes below)
C96.4 – Sarcoma of dendritic cells (accessory cells)Billable
C96.5 – Multifocal and unisystemic Langerhans-cell histiocytosisBillable
C96.6 – Unifocal Langerhans-cell histiocytosisBillable
C96.A – Histiocytic sarcomaBillable
C96.Z – Other specified malignant neoplasms of lymphoid, hematopoietic and related tissueBillable
C96.9 – Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecifiedBillable

Notes for C96

Excludes1 (not coded here):

personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

Notes inherited from parent codes

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

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)

Frequently asked questions

What is ICD-10 code C96?

C96 is the ICD-10-CM code for other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C96 a billable code?

No. C96 is a header code with more specific child codes; report one of the billable codes listed above.

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.