ACTH, Plasma, 4 Specimens

Test Code

30988

CPT Codes
82024 (x4)

Preferred Specimen

1.5 mL plasma collected in (x4) EDTA (lavender-top) tubes

Minimum Volume

0.5 mL (x4)

Instructions

4 specimens: 1.5 mL plasma collected in an EDTA (lavender-top) tube per specimen; note time on tubes. Collect specimens between 7 a.m. and 10 a.m. If drawn at any other time, the reference ranges do not apply.

Only use pre-chilled EDTA tubes. After drawing the blood, put the tube immediately on ice. Centrifuge immediately to separate the plasma. Plasma should be transferred to separate pre-chilled plastic transport container tubes and frozen immediately. Ship specimens frozen in the same shipping container.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 32 days

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

Plasma other than EDTA plasma

Methodology
Immunoassay (IA)

Setup Schedule

Set up: Mon-Fri; Report available: 2 days

Reference Range

<3 Years	Not established
3-17 Years	9-57 pg/mL
≥18 Years	6-50 pg/mL

Clinical Significance

Determination of ACTH is useful in differentiating between primary and secondary adrenocortical hypo- and hyperfunctional disorders: Addison's disease, Cushing's syndrome, adrenal carcinoma, ectopic ACTH syndrome, and adrenal nodular hyperplasia.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.