PORPH QT U
Porphyrins, QNT Random Urine
EPIC Test Procedure Code: LAB3435
Synonyms:
Porphyrins, Random Urine
Performing Lab:
Referral Laboratory
Container Type:
Amber plastic urine container with NO preservative
Specimen Type:
Random urine collection
Preferred Volume:
2 mL
Minimum Volume:
1.5 mL
Specimen Processing:
1. Transfer the urine to an amber plastic transport tube with amber cap.
2. If amber transport tubes are unavailable, cover the transport tube completely, top and bottom, with aluminum foil.
3. Identify the patient's name and date directly on the amber transport tube and the outside of the aluminum foil. Secure with tape.
4. The specimen must be kept refrigerated during transport.
Store and Transport:
Refrigerated and protected from light
Stability:
Frozen - 14 days
Refrigerated - 7 days
Room temperature - unstable
Unacceptable Condition:
Room temperature specimens are unacceptable as are specimens exposed to light or specimens containing acid preservative.
CPT Codes:
84120 - Porphyrins Random Urine (EAP 30021133)
Method:
High-pressure liquid chromatography (HPLC) with fluorometric detection
Test Includes:
Uroporphyrins (UP), Hexacarboxyl (6-CP), Coproporphyrin (CP) I, Coproporphyrin (CP) III, Heptacarboxyl (7-CP), Pentacarboxyl (5-CP).