D89.4

Kind

Header. Not a billable code.

Category

D89

Chapter

3. Diseases of the blood and blood-forming organs

A header groups codes and is not billed. A billable code is one you can report.

• D89.40Mast cell activation, unspecifiedBillable
• D89.41Monoclonal mast cell activation syndromeBillable
• D89.42Idiopathic mast cell activation syndromeBillable
• D89.43Secondary mast cell activationBillable
• D89.44Hereditary alpha tryptasemiaBillable
• D89.49Other mast cell activation disorderBillable

Excludes1 means these codes are not reported together.

• C96.21Aggressive systemic mastocytosis
• Q82.2Congenital cutaneous mastocytosis
• D47.01(non-congenital) cutaneous mastocytosis
• D47.02(indolent) systemic mastocytosis
• C96.2-Malignant mast cell neoplasm
• C96.29Malignant mastocytoma
• C94.3-Mast cell leukemia
• C96.22Mast cell sarcoma
• D47.09Mastocytoma NOS
• D47.09Other mast cell neoplasms of uncertain behavior
• D47.02Systemic mastocytosis associated with a clonal hematologic non-mast cell lineage disease (SM-AHNMD)