ACTH, Plasma

Message

Instructions for suppression/stimulation tests involving ACTH measurement can be found in the online Endocrine Appendices: ACTH Stimulation and Corticotropin-releasing Hormone Stimulation.

Test Code

004440

Alias/See Also

ACTH; Adrenal Corticotropin; Corticotropin

CPT Codes
82024

Preferred Specimen

Plasma, FROZEN

Minimum Volume

0.3 mL (NOTE:This volume does NOT allow for repeat testing.)

Instructions

ACTH SHOULD BE DRAWN BETWEEN 7 AND 10 AM. Collect into iced plastic or siliconized glass lavender-top (EDTA) tube, noting time of collection. After venipuncture, immediately immerse the tubes in an ice bath. Separate plasma from cells by centrifugation within one hour after venipuncture[1,2]. Transfer the plasma into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp ID 49482) immediately. Freeze immediately and maintain frozen until tested. Contact LabCorp's supply department for special tubes. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.

Transport Container

Plastic or siliconized glass lavender-top (EDTA) tube

Transport Temperature

FREEZE immediately.

Specimen Stability

14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Thawed specimen; serum or heparinized plasma specimen; specimen collected in nonsiliconized glass tube

Methodology
Electrochemiluminescence immunoassay (ECLIA)

Setup Schedule

Monday-Friday - 1st shift

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.