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D89.4

Mast cell activation syndrome and related disorders

Hierarchie
Exclusions
  • aggressive systemic mastocytosis (C96.21">C96.21)congenital cutaneous mastocytosis (Q82.2)(non-congenital) cutaneous mastocytosis (D47.01)(indolent) systemic mastocytosis (D47.02">D47.02)malignant mast cell neoplasm (C96.2-)malignant mastocytoma (C96.29)mast cell leukemia (C94.3-)mast cell sarcoma (C96.22)mastocytoma NOS (D47.09">D47.09)other mast cell neoplasms of uncertain behavior (D47.09">D47.09)systemic mastocytosis associated with a clonal hematologic non-mast cell lineage disease (SM-AHNMD) (D47.02">D47.02)
Sub classes
  • D89.40 Mast cell activation, unspecified
  • D89.41 Monoclonal mast cell activation syndrome
  • D89.42 Idiopathic mast cell activation syndrome
  • D89.43 Secondary mast cell activation
  • D89.49 Other mast cell activation disorder
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