Uroporphyrinogen decarboxylase - red cells
Last updated: Friday, 19, March, 2004
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5 ml blood in a lithium heparin tube.
| Reference Interval|
Depends on laboratory and method.
Diagnosis of hereditary porphyria cutanea tarda (PCT) and hepatoerythropoietic porphyria.
In acquired PCT (usually associated with chronic alcoholism), the red cell enzyme is normal, whereas in genetic PCT it is low. Up to 20% of patients with PCT have the genetic disease.
Sweeney GD. Clin Biochem 1986; 19: 3-15.