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HelpTest Code SGU Specific Gravity, urine
Additional Codes
| Epic Ordering Code | LAB3040216 |
| NBS code | LBC00886 |
| Service code | 31251 |
Specimen Requirements
Submit the following:
| Container: |
| Random Urine Container |
Processing Requirements
Collect mid-stream urine in preservative-free urine container. Unacidified Urine.
Specimen type: Urine
Volume: 10mL
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | Not available |
| Refrigerate | 7 days |
| Frozen | 7 days |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Methodology
Refractometry
Days and Times Performed
24 hrs, TAT 1 day
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.
Update
Last updated 28/07/2026
LOINC Code Information
2965-2