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HelpTest Code SULFU Sulfate, 24 Hour, Urine
Necessary Information
24-Hour volume (in milliliters) is required.
Specimen Required
Supplies: Sarstedt 5 mL Aliquot Tube (T914)
Container/Tube: Plastic, 5-mL urine tube
Specimen Volume: 4 mL
Collection Instructions:
1. Collect urine for 24 hours.
2. Collection instructions with no preservative:
-Specimen must be kept refrigerated during and after collection.
3. Collection instructions with preservative:
 a. If preservative is not added before collection, the specimen must be kept refrigerated until preservative is added.
 b. Preservative must be added within 4 hours of the end of collection.
4. Specimen pH should be between 4.5 and 8 and will stay in this range if kept refrigerated. Specimens with pH >8 indicate bacterial contamination, and testing will be cancelled. Do not attempt to adjust pH as it will adversely affect results.
Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens for multiple collections.
CMH COLLECTION: urine in urine jug
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days |
Useful For
Assessing the nutrition intake of animal protein
The calculation of urinary supersaturation of various crystals or stones
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Day(s) Performed
Monday through Friday
Report Available
1 to 3 daysReporting Name
Sulfate, 24 Hr, UReference Values
7-47 mmol/24 hours
Method Name
High-Pressure Ion Chromatography (HPIC)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84392