D89.4
Mast cell activation syndrome and related disorders
Non-billableCategory
Code Hierarchy
D89D89.4
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with D89.4
- C96.21 - aggressive systemic mastocytosis (C96.21)
- Q82.2 - congenital cutaneous mastocytosis (Q82.2)
- D47.01 - (non-congenital) cutaneous mastocytosis (D47.01)
- D47.02 - (indolent) systemic mastocytosis (D47.02)
- malignant mast cell neoplasm (C96.2-)
- C96.29 - malignant mastocytoma (C96.29)
- mast cell leukemia (C94.3-)
- C96.22 - mast cell sarcoma (C96.22)
- D47.09 - mastocytoma NOS (D47.09)
- D47.09 - other mast cell neoplasms of uncertain behavior (D47.09)
- D47.02 - systemic mastocytosis associated with a clonal hematologic non-mast cell lineage disease (SM-AHNMD) (D47.02)
Specific Codes (6)
Related Codes
D89.0Billable
Polyclonal hypergammaglobulinemia
D89.1Billable
Cryoglobulinemia
D89.2Billable
Hypergammaglobulinemia, unspecified
D89.3Billable
Immune reconstitution syndrome
D89.8Category
Other specified disorders involving the immune mechanism, not elsewhere classified
D89.9Billable
Disorder involving the immune mechanism, unspecified
