All ICD10 Codes

C96.2

Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant mast cell neoplasm

Use a more specific code (4 billable)
C96.20Malignant mast cell neoplasm, unspecifiedC96.21Aggressive systemic mastocytosisC96.22Mast cell sarcomaC96.29Other malignant mast cell neoplasm
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • indolent mastocytosis (D47.02)
  • mast cell leukemia (C94.30)
  • mastocytosis (congenital) (cutaneous) (Q82.2)
General instructions are available for the parent sections:
View C81-C96 NotesView C96 Notes

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
C96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
C96.2Malignant mast cell neoplasmNot billable
C96.20Malignant mast cell neoplasm, unspecifiedBillable
C96.21Aggressive systemic mastocytosisBillable
C96.22Mast cell sarcomaBillable
C96.29Other malignant mast cell neoplasmBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C96.2:

categoryC96
Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
View context instructions
blockC81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
View context instructions

Code History

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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