ICD-10-CM D89.40 → ICD-9
Mast cell activation, unspecified
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 2798Approximate match
Mast cell activation, unspecified
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.