D89.4
Mast cell activation syndrome and related disorders
Parent Code: D89
Cannot Code Together
These codes cannot be used together with the current code, even if both conditions are present.
- • 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)