Porphyrins, Qn, 24 Hr Ur. (LABCORP)

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LAB7769: Porphyrins, Fractionated, Quantitative, 24Hr Urine | LABCORP EAP: 003194

LABCORP LAB: 24 HR URINE CONTAINER (Refrigerated) Min Vol: N/A

Specimen Type: Container: Plastic LabCorp 24-hour urine container with 30 mL 6N HCl preservative (LabCorp No. 21584). Storage: Maintain ACIDIFIED urine at room temperature. Acid prevents crystallization and conversion of ascorbate (vitamin C) to oxalate. Special Instructions: State patient’s age, sex, and total 24-hour urine volume on the test request form and specimen. Specimens submitted without preservative should be acidified after receipt to pH less than or equal to 3 with 6N HCl prior to aliquoting. Specimen Collection: Instruct patient to void at 8 AM (or 8 PM) and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM [or 8 PM] the following day). Label container with patient’s name and date and time collection started and finished. Measure and record total urine volume. Mix well. pH must be less than or equal to 3. Preservative not necessary during collection but should be added to urine collection within 24 hours. Method: Enzymatic Stability Room Temp: 7 days Refrigerated: 7 days Frozen: 14 days

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min