Home
HelpTest Code ACTH Adrenocorticotropic Hormone
Laboratory Code
LAB511
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Purple Top (EDTA)
Volume: 3.0 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Collect sample in pre-refrigerated blood tube and send sample on ice to laboratory immediately.
Specimen Stability
| Specimen Type | Plasma |
|---|---|
| Ambient | Reject |
| Refrigerate | 3 hours |
| Frozen | 10 weeks |
Methodology
Electrochemiluminescent Immunoassay
Days and Times Performed
Monday through Friday, TAT 4 days
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Not sent in ice | Reject |
Reference Interval
1.6 – 13.9 pmol/L
Reference interval was established by manufacturer on healthy adult population with plasma samples drawn between 7am to 10am.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Determining the cause of hypercortisolism and hypocortisolism.
Service Code
31863
LOINC Code Information
14674-6
Alias
Aderenal Corticotropin Hormone
Cushing's Disease
Update
Last updated 10/03/2025