D89.49 - Other mast cell activation disorder

  • Applicable to Other mast cell activation disorder
  • The 2025 edition of ICD10-CM D89.49 became effective on October 1, 2024.
  • This is the American ICD10-CM version of D89.49 - other international versions of ICD10 D89.49 may differ.
  • D89.49 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • Other mast cell activation syndrome

The following codes above D89.49 contain annotation back-references that may be applicable to D89.49:

Chapter: D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Section: D80-D89 Certain disorders involving the immune mechanism

Category: D89 Other disorders involving the immune mechanism, not elsewhere classified

  
Billable/Specific Code

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