Cortisol (Blood)

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Testing Laboratory

Waitematā | Northshore Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

MCOR

Test Code (Numeric Code)

376

Laboratory Handling

Registration

Collection time is essential and must be recorded at registration.

Laboratory

If multiple tests are requested on a micro sample, refer to Biochemistry to determine priority.

Sample Stability

24 hours

Synonyms

Cortisol

Turnaround Time

2 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin - Non-gel (Green Cap)
Preferred if Waitākere
  • SST II (Gold Cap)
Acceptable
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

Paediatric Specimen Requirements

Tube/Container Type:

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

0.4

Last updated: 06/05/2026