Home
HelpTest Code NAU Sodium, urine
Additional Codes
| Epic Ordering Code | LAB444 |
| NBS code | LBC00884 |
| Service code | 31142 |
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 | 45 days |
| Refrigerate | 45 days |
| Frozen | 1 year |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Methodology
Potentiometry
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
Reference interval not available for this test.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Assessment of electrolyte balance.
Update
Last updated 28/07/2026
LOINC Code Information
2955-3