D89.49✓ Billable

Other mast cell activation disorder

Inclusion Terms

•Other mast cell activation syndrome

Code Hierarchy

┌3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)├D80-D89Certain disorders involving the immune mechanism (D80-D89)├D89Other disorders involving the immune mechanism, not elsewhere classified

└D89.49Other mast cell activation disorder

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