Cancer Ag 125 (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

C125

Test Code (Numeric Code)

3405

Laboratory Handling

Registration

OTHER FLUIDS: Please give a copy of the form to the Cobas operators.

Sample Stability

8 hours at 20-25°C, 5 days at 2-8°C, 24 weeks at -20°C

Synonyms

CA-125, CA125, Carbohydrate antigen 125

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

Pre-testing Requirements

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

Last updated: 23/07/2026