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HelpTest ID LBAN0004 Creatinine Clearance, 24 HR Urine
Specimen Type/Requirements
Requires both blood and urine.
Blood: Draw one Green (Lithium-Heparin) Tube or Gold (SST Serum)
Tube. Timeframe for collecting blood is 24 hours before the start
of urine collection to 24 hours after the end of urine
collection.
Urine: Need height and weight of patient.
24hr collection: Refrigerate during collection, no preservative, record total volume, mix well before aliquoting. If more than one urine container is collected, use proportional quantities from each well mixed container for the aliquot.
Specimen Volume
| Preferred Volume | 500 µL serum/plasma and 5.0 mL urine |
| Minimum Volume | 100 µL serum/plasma and 100 µL urine |
Stability/Transport
| Room Temperature |
Plasma/Serum: 7 days Urine: 2 days |
|
| Refrigerated |
Plasma/Serum: 7 days Urine: 6 days |
Preferred for Transport |
| Frozen |
Plasma/Serum: 3 months Urine: 6 months |
Performed Test Frequency
Monday-Sunday
Methodology
Colorimetric Rate
Performing Lab
Sanford Laboratories Fargo-Core Lab
CPT
82575