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: 6 hours
Refrigerated: 72 hours
Frozen: 28 days

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

Gross hemolysis • Moderate hemolysis • Grossly lipemic • Grossly icteric • Serum separator tube (SST) • 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: 4-9 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.