URINARY CORTISOL, DOSAGE
Collection Instr. …………: – Remove the vial for collection to the laboratory,
As requested by the physician, collect random urine or 24-hour urine.
For fresh urine, discard the first stream and collect from then on. Use the first urine of the morning.
For 24-hour urine, discard the first morning urine and collect all other urine for 24 hours, including the next morning.
Keep the flasks in a refrigerator until delivery or pick up by the laboratory. Asepsis with mild soap is recommended before each collection.