Plasma & Urine
Requires a concurrent order for Serum Creatinine (LAB66). See
comments below. Record date and time of collection on requisition.
Submit entire urine collection.
|Plasma Separator Tube 4.5 mL
||Urine - 24 hour/timed plastic urine container
Call laboratory for additional acceptable specimen collection containers.
3 mL whole blood in plasma separator tube and 24 hr urine with no
24 hrs/day, 7 days a week, including holidays.
3 hours (upon receipt in laboratory)
An order for Serum Creatinine (LAB66) must be ordered and collected
during the 24 hour urine collection for the laboratory to calculate
the Creatinine Clearance. External results will NOT be utilized for the
calculation of this component. The plasma creatinine must be collected
at some time during the 24 hr urine collection for the creatinine
clearance to be calculated.
Not corrected for body surface area. Collection other than 24 hr will
not be calculated for G/24 hr. mg/dL and clearance will be calculated
on any accurately timed urine. Call lab for nomogram for body surface