ICD-10-CM · Chapter 2

D47..0 Mast cell neoplasms of uncertain behavior

Non-billable header

← D47 — Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue Chapter 2: C00-D49

Excludes 1 (cannot be coded together)

congenital cutaneous mastocytosis (Q82.2)
histiocytic neoplasms of uncertain behavior (D47.Z9)
malignant mast cell neoplasm (C96.2-)

Last reviewed: September 2026