Plain red or gel barrier [SST] tube PLUS a 24 hour urine sample is required for this assay.
Preferred volume: 1 mL serum
AND 1 mL aliquot of urine from a well-mixed 24 hour collection
Minimum volume: 100 mcL serum AND 100 mcL aliquot of urine from a well-mixed 24 hour collection
Offsite: Send frozen serum and urine Priority Overnight via FedEx and in a well insulated container on dry ice.
8 hours at room temperature.
24 hours refrigerated at 2-8°C
>24 hours frozen at -20°C
Plain red or gel barrier tube AND a 24 hour urine sample is required for this assay.
Blood sample must be drawn within 3 days of collection of urine.
Monday - Friday
Modified Rate Jaffe
Jaffe (Creatinine Clearance, Urine and Serum)
Adult: 70-130 cc/min
Pediatric: 70-130 cc/min