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HelpTest Code SGU Specific Gravity, urine
Laboratory Code
LAB3040216
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine cup
Volume: 100.0 mL
Minimum Volume: 20.0 mL
Collection Instructions: Collect mid-stream urine in preservative-free urine container.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | Not available |
| Refrigerate | 7 days |
| Frozen | 7 days |
Methodology
Refractometry
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Reference Interval
1.003 – 1.030
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.
Service Code
31251
LOINC Code Information
2965-2
Update
Last updated 14/03/2025