METHYLHISTAMINE - URINE
Specimen: 24 hour urine
collection.
Method: Immunoassay.
Reference Interval: Consult pathologist.
Application: Diagnosis of mastocytosis.
Interpretation: Raised level suggests possibility of mastocytosis.
Reference: Metcalfe D. In: Middleton E et al. Allergy Principles and Practice.
Vol 2. Mosby 1998.