D89.49 - Other mast cell activation disorder

Code

D89.49 - Other mast cell activation disorder
[Billable]

Includes

  • Other mast cell activation syndrome

Code Tree

D50-D89 - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
  • D80-D89 - Certain disorders involving the immune mechanism
    • D89 - Other disorders involving the immune mechanism, not elsewhere classified
      • D89.4 - Mast cell activation syndrome and related disorders
        • D89.40 - Mast cell activation, unspecified
        • D89.41 - Monoclonal mast cell activation syndrome
        • D89.42 - Idiopathic mast cell activation syndrome
        • D89.43 - Secondary mast cell activation
        • D89.44 - Hereditary alpha tryptasemia
        • D89.49 - Other mast cell activation disorder