Allina Health Laboratory a part of Abbott Northwestern Hospital



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Test Name:Porphyrins, quantitative, random urine
Test Number:13518
Collect:2mL urine (random)
Protected from light
Minimum Volume:1.5 mL
Container:LabCorp 12mL amber transport tube
Processing:Submit 2mL random urine, protected from light
Transport/Stability:Refrigerated - 7 days
Ambient - NO
Frozen - 14 days

Protect from light
Alternate Names:Coproporphyrin

Performing Lab:LabCorp Burlington (120980); R-LC
Days Set Up:Mo - Fr
Expected TAT:3 - 5 days
Ref. Ranges:Coproporphyrin (CP) I: 0−15 μg/L
Coproporphyrin (CP) III: 0−49 μg/L
Heptacarboxylporphyrins (7-CP): 0−2 μg/L
Hexacarboxylporphyrins (6-CP): 0−1 μg/L
Pentacarboxylporphyrins (5-CP): 0−2 μg/L
Uroporphyrins (UP): 0−20 μg/L
Processing Details:
Useful for: 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) testing.

Method:High-pressure liquid chromatography (HPLC) with fluorometric detection
CPT Codes:84120
Date Created:04/11/2019
Revised Date:07/24/2019