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HelpTest Code SG Specific Gravity, Fluid
Specimen Requirements
Specimen Type: Body Fluid
Container/Tube: Plain Sterile Container
Volume: 20mL
Minimum Volume: 5mL
Collection Instructions: Send sample to Laboratory immediately.
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Body Fluid |
|---|---|
| Ambient: | 1 day |
| Refrigerate: | 1 week |
| Frozen: | 6 months |
Reference Interval
Urine SG: 1.003 -1.030
Call back values: NA
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.