Test Includes Coproporphyrins I and III; uroporphyrins; hepatocarboxylporphyrins; hexacarboxylporphyrins; pentacarboxylporphyrins Urine porphyrins are useful for the evaluation of cutaneous photosensitivity to exclude porphyria cutanea tarda (PCT). Evaluation of neurologic and/or psychiatric symptoms associated with acute porphyrias, such as acute intermittent porphyria (AIP), requires urine porphobilinogen (PBG) testingUrine porphyrins are useful for the evaluation of cutaneous photosensitivity to exclude porphyria cutanea tarda (PCT). Evaluation of neurologic and/or psychiatric symptoms associated with acute porphyrias, such as acute intermittent porphyria (AIP), requires urine porphobilinogen (PBG) testing
Specimen Type
Urine
Container
Urine-call for info
Collection Instructions
Container/Tube: Random urine container Specimen: 2 mL from a random urine collection. (1.5 mLmin) . Protect specimen from light.
Transport Instructions
Refrigerated
Specimen Stability
Unstable Room Temperature 7 Days Refrigerated 14 Days Frozen
Methodology
High-pressure liquid chromatography (HPLC) with fluorometric detection
