Steroid Panel, Congenital Adrenal Hyperplasia (CAH)

Test Code
90398

CPT Codes
82157, 82634, 82533, 82626, 84143, 84144, 83498, 84403, 82633

Includes
Androstenedione
11-Deoxycortisol
Cortisol
DHEA, Unconjugated
17-Hydroxypregnenolone
Progesterone
17-Hydroxyprogesterone
Testosterone, Total, LC/MS/MS
Deoxycorticosterone

Preferred Specimen
0.5 mL serum collected in a red-top tube (no gel)

Minimum Volume
0.25 mL

Instructions
Collect specimen in a non additive red-top tube; spin down immediately and pour off into a 13x75 plastic transport tube.

Transport Container
Plastic screw-cap vial

Transport Temperature
Frozen

Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
SST tubes • Gross hemolysis • Moderate hemolysis • Grossly lipemic • Grossly icteric • Plasma

Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Sun, Tues; Report available: 5-10 days

Reference Range
See individual tests

Clinical Significance
This panel is useful for the diagnosis/management of patients with the most common forms (21-hydroxylase or 11-hydroxylase deficiency) of congenital adrenal hyperplasia.

Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042




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.