D89.40
Mast cell activation, unspecified
Applicable To
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Mast cell activation disorder, unspecified
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Mast cell activation syndrome, NOS
Details
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D89.40 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM D89.40 became effective on October 1, 2022.
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This is the American ICD-10-CM version of D89.40 – other international versions of ICD-10 D89.40 may differ.