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HelpTest Code pH, urine pH, urine
Additional Codes
| Epic Ordering Code | LAB3042602 |
| NBS code | LBC04780 |
| Service code | 31007 |
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 | 8 hours |
| Refrigerate | 2 days |
| Frozen | Reject |
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
4.5 – 8.0
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Evaluation of systemic acid-base disorders.
Update
Last updated 31/07/2026
LOINC Code Information
2765-5