Complete ICD-10-CM coding and documentation guide for icd-10 coding for mast cell activation syndrome includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Mast Cell Activation Syndrome
Use ICD-10 code D89.41 for mast cell activation syndrome, unspecified, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Use for acute anaphylactic episodes related to MCAS.
Anaphylaxis
Document cutaneous symptoms associated with MCAS.
Cutaneous flushing
The ICD-10 code for mast cell activation syndrome is D89.41 for unspecified cases, with more specific codes like D89.43 for secondary conditions.
MCAS is diagnosed through clinical criteria including elevated serum tryptase levels and multi-organ involvement during episodes.