Creatine Kinase (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

SCK

Test Code (Numeric Code)

0135

Laboratory Handling

Sample Stability

2 days at 20-25°C, 7 days at 4-8°C, 4 weeks at -20°C

Synonyms

CK, CPK, Creatine Phospokinase, Total CK, CK activity

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)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

5

Minimum Sample Volume (ml)

3.5

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)
  • Plain (Red Top)
Preferred Sample Volume (ml)

0.5

Minimum Sample Volume (ml)

0.5

Additional Specimen Information

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

Last updated: 28/07/2026