Keywords: Uroporphyrinogen synthetase
5 mL blood in lithium heparin tube.
|Reference Interval:|| |
Varies with method: generally 500-800 mU/L.
Confirmation of acute intermittent porphyria and diagnosis of asymptomatic family members.
Levels are usually decreased by up to 50% in patients with acute intermittent porphyria. However, some patients may have values within the reference interval.
Not all persons with the genetic defect have a history of clinical disease.
Lecha M et al. Dermatol Ther. 2003; 16(1): 65-72.