pH – urine or other fluids

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

UPH (URINE)

Test Code (Numeric Code)

0274

Laboratory Handling

Registration

Labplus Order Code: Alpha Code:OPH (OTHER), Numeric Code:0574

Sample Stability

-

Synonyms

pH
pH - Faeces
pH - urine
pH- other fluid

Turnaround Time

8 hours

Specimen Type

  • Fluid Other
  • Urine

Specimen Requirements

Tube/Container Type:

Preferred
  • Specimen Container
Acceptable
  • BD Urine Tube (no additive)
  • Specimen Container

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Specimen Container
Acceptable
  • BD Urine Tube (no additive)
  • Specimen Container

Additional Specimen Information

The pH of any fluid can be measured, but it is not possible to measure the pH of solid substances.

Urine: Random or 24 hour urine with no additives.

Faeces: Only possible if centrifugation of the faeces produces a liquid phase.

Other Fluids: No additives. A minimum of 2 mL of fluid.

Last updated: 31/03/2026