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C96.2 - Malignant mast cell tumor


The ICD 10 Code for Malignant mast cell tumor is listed as C96.2.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: C96.2
Description: Malignant mast cell tumor
  • Aggressive systemic mastocytosis
  • Mast cell sarcoma
  • Excludes1: indolent mastocytosis (D47.0)
  • mast cell leukemia (C94.30)
  • mastocytosis (congenital) (cutaneous) (Q82.2)
Diagnostic Related Groups
(MS-DRG v30.0)
011 - Tracheostomy For Face,mouth & Neck Diagnoses W Mcc
012 - Tracheostomy For Face,mouth & Neck Diagnoses W Cc
013 - Tracheostomy For Face,mouth & Neck Diagnoses W/o Cc/mcc
820 - Lymphoma & Leukemia W Major O.r. Procedure W Mcc
821 - Lymphoma & Leukemia W Major O.r. Procedure W Cc
822 - Lymphoma & Leukemia W Major O.r. Procedure W/o Cc/mcc
823 - Lymphoma & Non-acute Leukemia W Other O.r. Proc W Mcc
824 - Lymphoma & Non-acute Leukemia W Other O.r. Proc W Cc
825 - Lymphoma & Non-acute Leukemia W Other O.r. Proc W/o Cc/mcc
840 - Lymphoma & Non-acute Leukemia W Mcc
841 - Lymphoma & Non-acute Leukemia W Cc
842 - Lymphoma & Non-acute Leukemia W/o Cc/mcc
Chapter Neoplasms (C00-D49)
Block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
Parent C96 - Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 202.60 - Malignant mast cell tumors, unspecified site, extranodal and solid organ sites (approximate)
ICD-10-CM Siblings (same level / similar specificity) of C96.2:
C96.0 - Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis
C96.4 - Sarcoma of dendritic cells (accessory cells)
C96.5 - Multifocal and unisystemic Langerhans-cell histiocytosis
C96.6 - Unifocal Langerhans-cell histiocytosis
C96.9 - Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified
C96.A - Histiocytic sarcoma
C96.Z - Other specified malignant neoplasms of lymphoid, hematopoietic and related tissue