ACTH (Adrenocorticotropic hormone)

Test information: Used in investigation of Cushing's disease (abnormally high levels of cortisol) and Addison's disease (cortisol insufficiency). Please note the frontline test for Cushing's is an overnight dexamethasone suppression test or 24 hour urine cortisol, and for Addison's a 9am blood cortisol. ACTH is only indicated for the 2nd-line investigations that may follow these.

Specimen Type(s)

• Blood;

Other Acceptable Specimen Type(s)

N/A

Specimen Container - Adult

• Purple Top BD;

Specimen Container - Paediatric

• Lilac Top Microtainer BD;

Analytes

• N/A;

Part of a test profile?

No

Volume (min) of sample to be sent to laboratory

1ml

Patient Preparation, Sample Handling and Transport

Either take sample for ACTH at 9-10am along with a paired cortisol request, or take as part of a dynamic function test.

Maximum add on time

No add ons.

Units and Reference Ranges / Interpretation

See the report.

UKAS number

8483

UKAS accredited test?

Yes

Comments

N/A

If you have any queries about a test or results interpretation please contact us.