ICD-10-CM D89.41 → ICD-9
Monoclonal mast cell activation syndrome
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 2798Approximate match
Monoclonal mast cell activation syndrome
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.