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D89.49

ICD-10-CM 2027 · Billable

Other mast cell activation disorder

Sibling codes

  • 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
  • D89.44 – Hereditary alpha tryptasemia

Inclusion terms

  • Other mast cell activation syndrome

Inherited from D89.4: Mast cell activation syndrome and related disorders

Excludes1

  • aggressive systemic mastocytosis (C96.21)
  • congenital cutaneous mastocytosis (Q82.2)
  • (non-congenital) cutaneous mastocytosis (D47.01)
  • (indolent) systemic mastocytosis (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)
  • other mast cell neoplasms of uncertain behavior (D47.09)
  • systemic mastocytosis associated with a clonal hematologic non-mast cell lineage disease (SM-AHNMD) (D47.02)

Inherited from D89: Other disorders involving the immune mechanism, not elsewhere classified

Excludes1

  • hyperglobulinemia NOS (R77.1)
  • monoclonal gammopathy (of undetermined significance) (D47.2)

Excludes2

  • transplant failure and rejection (T86.-)

Part of: D89.4: Mast cell activation syndrome and related disorders › D89: Other disorders involving the immune mechanism, not elsewhere classified