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

Category / Non-billable header 12 subcodes

Block: Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

Excludes 1 (cannot be coded together)

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

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
C96..0 Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis Yes
C96..2 Malignant mast cell neoplasm No
C96..20 Malignant mast cell neoplasm, unspecified Yes
C96..21 Aggressive systemic mastocytosis Yes
C96..22 Mast cell sarcoma Yes
C96..29 Other malignant mast cell neoplasm Yes
C96..4 Sarcoma of dendritic cells (accessory cells) Yes
C96..5 Multifocal and unisystemic Langerhans-cell histiocytosis Yes
C96..6 Unifocal Langerhans-cell histiocytosis Yes
C96..A Histiocytic sarcoma Yes
C96..Z Other specified malignant neoplasms of lymphoid, hematopoietic and related tissue Yes
C96..9 Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified Yes

Last reviewed: September 2026