Sulfate, Urine
Also known as: U SO4
Use
Measurement of urinary sulfate excretion is used in calculi risk assessment. This test helps in understanding and assessing the risk of kidney stone formation by evaluating urinary sulfate levels, which can be crucial in the management and prevention of nephrolithiasis (kidney stone disease).
Special Instructions
Specimen must be a 24-hour urine collection and refrigerated during the collection period. Ensure to record total volume and collection time on both the tube and test request form.
Limitations
This test has been developed and performance characteristics determined by ARUP Laboratories. It is intended for clinical purposes but has not been cleared or approved by the FDA. For specimens with notable deviations in collection time or volume, analyte to creatinine concentration ratios may aid in result interpretation. Only reference intervals for 24-hour collections are established.
New York Approved
Methodology
Automated Analyzer (Clinical Chemistry)
Biomarkers
LOINC Codes
- 35674-1
- 2162-6
- 26888-8
- 26889-6
- 19153-6
- 30211-7
Result Turnaround Time
1-6 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
4 mL
Minimum Volume
2 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Transfer 4 mL urine to an ARUP Standard Transport Tube. Ensure total volume and collection time are recorded.
Patient Preparation
Refrigerate during collection.
Storage Instructions
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Causes for Rejection
Room temperature specimens. Any sample except urine.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 1 month |