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HelpTest Code USPG Urine Specific Gravity
Specimen Required
| Container Type: |
Optimal: Sterile urine cup with orange lid Acceptable: Clean container |
| Optimal Collection Volume: |
50 mL urine |
| Collection Instructions: |
Please refer to the following collection instructions to provide an optimal specimen: |
| Processing Instructions: |
If testing will be performed >2 hours after collection, specimen should be transfered into cherry/yellow urine preservative tube. |
Method Name
Urine Chemistry testing is performed using dry pad urine chemistry technology.
Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine in urine cup | Refrigerated | 24 hours |
| Urine in urine cup | Ambient | 2 hours |
| Urine in preservative tube | Ambient/Refrigerated | 72 hours |
Rejection Due To
- Large visible particles in urine
- Unrefrigerated specimen >2 hours old
- Refrigerated specimen >24 hours old
- Preserved urine in cherry/yellow tube >72 hours old
Specimen Minimum Volume
Collecting minimum volumes can result in a need for sample recollection, and/or a delay in results. Minimum volumes are subjective and cannot account for all aspects of specimen and testing needs. Refer to the Specimen Required section for optimal volumes for laboratory specimens. Contact the Bronson Laboratory if complex collection exceptions occur that require more information.
| Minimum Volume: | 0.5 mL |
| Neonate Volume: | 0.25 mL |
Performing Laboratory
Bronson Laboratory, Urinalysis- Kalamazoo, Paw Paw, Battle Creek, South Haven
Day(s) Performed
24/7
Reference Values
| USPG | Urine Specific Gravity | 1.005-1.030 | |
LOINC Code Information
50564-4
CPT Code Information
81003
Sample Retention Time
24 hours