Cortisol, Total [367X]

Test Code

22621

CPT Codes
82533

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Instructions

Note: Assay not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay.

Transport Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Methodology
Immunoassay (IA)

Setup Schedule

Set up: Mon-Sat; Report available: 36-48 hours

Reference Range

0-3 Days (infants)
Premature (31-35 Weeks)	a.m. or p.m. ≤15.0 mcg/dL
Term	a.m. or p.m. ≤14.0 mcg/dL
4 Days-1 Month	a.m. or p.m. Not established
2-11 Months	a.m. 3.0-23.0 mcg/dL p.m. Not established
1-17 Years	a.m. 3.0-25.0 mcg/dL p.m. 3.0-17.0 mcg/dL
Adult 8 a.m. (7-9 a.m.) specimen	4.0-22.0 mcg/dL
Adult 4 p.m. (3-5 p.m.) specimen	3.0-17.0 mcg/dL

Clinical Significance

Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).

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.