ICD-10 Code search

D89.4 - Mast cell activation syndrome and related disorders

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

D89 Other disorders involving the immune mechanism, not elsewhere classified

ICD-10 Code: D89.4 – Mast cell activation syndrome and related disorders

ICD-10 code D89.4 corresponds to Mast cell activation syndrome and related disorders. This code is classified under the chapter D89 Other disorders involving the immune mechanism, not elsewhere classified, which is part of the category.

The parent chapter is Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.