Specimen Requirements
Minimum of 3.0 mL urine
Minimum of 1.0 mL serum; additional sample quantity is required if other tests are ordered.
Supplies for Submission
SST/Gold Top (1), Urine Cup (1)
Specimen Collection
Submit paired serum and urine specimens.
Urine
- During the collection period, refrigerate 24-hour urine and record the total volume.
- Mix urine and aliquot into sterile cup or container.
- Label container with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
- Record the total volume on both container and requisition.
Serum
- Collect whole blood in serum separator tube (SST) on the same day as when the patient returns 24-hour urine.
- Label SST with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
- Allow SST contents to clot in an upright position for at least 30 minutes.
- Centrifuge within 2 hours of collection and refrigerate.
Storage Requirements
Refrigerated