D89.40 ICD 10 Code is a billable and specific code that can be used to indicate a diagnosis of Mast cell activation, unspecified for reimbursement purposes. The 2023 edition of the American ICD-10-CM code became effective on October 1, 2022.

Possible back-references that may be applicable or related to D89.40 ICD10 Code:

Present On Admission (POA Exempt)

D89.40 ICD 10 code is considered exempt from POA reporting