Renal Function Tests (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

Alpha Code: SNAK - Renal function: Sodium, Potassium, Chloride, Numeric Code: 0116
Alpha Code: SCRE - Creatinine, Numeric Code: 0105

Laboratory Handling

Phlebotomy

The basic Kidney Function Profile contains the following tests:
- Sodium
- Potassium
- Creatinine
- Chloride

Sample Stability

See individual tests

Synonyms

Renal Profile Test, Renal profile, Kidney function tests

Turnaround Time

3 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
Preferred Sample Volume (ml)

5

Minimum Sample Volume (ml)

4.5

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
Preferred Sample Volume (ml)

2.5

Minimum Sample Volume (ml)

0.5

Additional Specimen Information

0.5 mL Paediatric Microtainer PST Blood (Preferred)
2.5 mL Paediatric Microtainer Heparin Blood

Last updated: 23/09/2026