21-Hydroxylase Antibody [37916X]

Test Code
37916

CPT Codes
83519

Preferred Specimen
1 mL serum

Minimum Volume
0.2 mL

Transport Container
Plastic screw-cap vial

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Gross lipemia • Grossly icteric

Methodology
Radiobinding Assay (RBA)

Reference Range

Negative



Clinical Significance
Diagnose Autoimmune Polyglandular Syndrome (APS), Type 1 or 2. Diagnose Addison's disease.

Performing Laboratory
Quest Diagnostics Nichols Inst San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130



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.