ICD-10-CM · Chapter 2
C96..2 Malignant mast cell neoplasm
← C96 — Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
Chapter 2: C00-D49
Excludes 1 (cannot be coded together)
- indolent mastocytosis (D47.02)
- mast cell leukemia (C94.30)
- mastocytosis (congenital) (cutaneous) (Q82.2)
Last reviewed: September 2026