ICD-11 code : 2A21.0;
Preferred Label : Systemic mastocytosis;
ICD-11 definition : Systemic mastocytosis (SM) comprises a heterogeneous group of rare acquired and chronic
haematological malignancies that are related to an abnormal proliferation of mast
cells in tissue, including bone marrow, with or without skin involvement. SM can be
divided into indolent SM (ISM) and aggressive SM (ASM).;
ICD-11 synonym : SMCD - [systemic mast cell disease]; systemic tissue mast cell disease; systemic mast cell disease;
ICD-11 acronym : SMCD;
ICD-11 "other" category code : 2A21.0Y;
ICD-11 "unspecified" category code : 2A21.0Z;
Origin ID : 1144812971;
Automatic exact mappings (from CISMeF team)
ICD-10 Mapping
Systemic mastocytosis (SM) comprises a heterogeneous group of rare acquired and chronic
haematological malignancies that are related to an abnormal proliferation of mast
cells in tissue, including bone marrow, with or without skin involvement. SM can be
divided into indolent SM (ISM) and aggressive SM (ASM).