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HelpTest Code ACTH Adrenocorticotropic Hormone
Additional Codes
| Epic Ordering Code | LAB511 |
| NBS code | LBC13333 |
| Service code | 31863 |
Specimen Requirements
Submit the following:
| Preferred: |
|
Purple Top |
|
|
Processing Requirements
Centrifuge within 2 hours
Specimen type: Plasma
Volume: 0.5 mL
Storage/transport requirements: Frozen
Specimen Stability
| Specimen Type | Plasma |
|---|---|
| Ambient | Reject |
| Refrigerate | 3 hours |
| Frozen | 10 weeks (Preferred) |
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Not sent in ice | Reject |
Methodology
Electrochemiluminescent Immunoassay
Days and Times Performed
Monday through Friday, TAT 1-4 days
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
Update
Last updated 19/05/2026
Alias
Aderenal Corticotropin Hormone
Cushing's Disease
LOINC Code Information
14674-6