Pathology Handbook

New search

Laboratory:

Clinical Biochemistry

Test Code:

COR

Registration Instructions:

If cortisol is part of a Short Synacthen Test, register SYN.

If cortisol is part of a (Low Dose) Dexamethasone Suppression Test, register DEX.

Specimen Types:

Serum
Plasma

Container Types:

SST
Lithium Heparin (with Gel)

Adults Volume or Mass:

6 mL

Minimum/Paediatric Volume or Mass:

0.6 mL

Collection & Request Instructions:

Collect at ambient temperature
Retrospective testing within 5 days

Requests for AM or morning cortisol should be collected between 8am and 10am.

Requests for PM or afternoon cortisol should be collected between 3pm and 5pm.

Transport Instructions:

Room Temperature

Processing Instructions:

Centrifuge