pH (Not blood gas)

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Testing Laboratories

Waitematā | Northshore Hospital
Waitematā | Waitakere Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

OPH, DPH

Test Code (Numeric Code)

0574

Laboratory Handling

Registration

Codes: SST serum - OPH Dialysis fluid - DPH Other Fluid - OPH

Separating

Spin SST tube, do not open

Sample Stability

<1 hour

Synonyms

pH

Turnaround Time

2 hours

Specimen Type

  • Fluid Other
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • Specimen Container
  • Syringe
Preferred Sample Volume (ml)

3

Minimum Sample Volume (ml)

1

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • Specimen Container
  • Syringe
Minimum Sample Volume (ml)

0.4

Last updated: 17/06/2026