CA 19-9

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Testing Laboratory

Waitematā | Northshore Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

CA19

Test Code (Numeric Code)

4118

Laboratory Handling

Registration

"S" suffix barcode required

Sample Stability

48 hours

Synonyms

Cancer Antigen 19-9

Turnaround Time

1 day

Specimen Type

  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Preferred if Waitākere
  • SST II (Gold Cap)
Acceptable
  • Plain (Red Top)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • SST(Microtainer)
Acceptable
  • Plain(Microtainer)
Minimum Sample Volume (ml)

0.4

Additional Specimen Information

Anticoagulants interfere with this assay at Waitemata district.

Last updated: 15/09/2026