D89.49
BillableOther mast cell activation disorder
D89.49 is the ICD-10-CM code for Other mast cell activation disorder. It is a billable, specific code valid for reimbursement.
D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Includes
- •Other mast cell activation syndrome
Medications indicated for this condition
FDA labeling- Belumosudil›
- Betamethasone Sodium Phosphate, Betamethasone Acetate, Lidocaine, Povidine Iodine›
- EmapalumabInterferon gamma Blocker [EPC]›
- IbrutinibKinase Inhibitor [EPC]›
- remestemcel-L›
- Rilonacept›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Frequently asked questions
- What is ICD-10 code D89.49?
- D89.49 is the ICD-10-CM code for "Other mast cell activation disorder". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Is D89.49 a billable code?
- Yes — D89.49 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition