Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ

Alternative names, keywords

Adrenocorticotrophic hormone, adrenocorticotrophin, adrenocorticotropin, adrenocorticotropic hormone.

Samples required

2x EDTA blood (purple cap/ yellow cap ring, 4 mL tube).

Clotted blood (gold cap, 5 mL tube) for paired cortisol.

Smaller tubes are available for paediatric samples.
Avoid patient stress, transport on ice to lab immediately (must be separated within 30 minutes).

Do not send via pneumatic tube (pod) system.

Test indications

Second line test to investigate cortisol abnormality.

Reference range

< 50 ng/L (09:00)

< 10 ng/L (24:00)

Turnaround time

Referral lab quotes turnaround time of 7 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results.


Biochemistry (Referrals)