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HelpTest Code SGU Specific Gravity, Urine
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine Cup
Volume: 100mL
Minimum Volume: 20mL
Collection Instructions: Collect mid-stream urine in preservative-free urine container.
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Urine |
|---|---|
| Ambient: | 1 day |
| Refrigerate: | 1 week |
| Frozen: | 6 months |
Reference Interval
1.003 -1.030
Days and Times Performed
24 hours, TAT 1 day
Methodology
Refractometry
Service Code
31251
Update
Last updated 26/02/2022
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Assessment of the kidney’s ability to concentrate urine. An aid in determining the type of body fluid: exudate versus transudate.