21- Hydroxylase Antibody

Test Code
21-Hydroxylase Antibody

Quest Code

CPT Codes

Preferred Specimen
0.5 mL serum from SST

Minimum Volume
0.3 mL

Transfer serum to a plastic transport vial and ship at room temperature.

Transport Temperature

Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 60 days

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

Enzyme Linked Immunosorbent Assay (ELISA)

Setup Schedule
Night Sets up 1 day a week.

Report Available
Reports in 4 to 11 days.

Reference Range

Clinical Significance
21-Hydroxylase Antibody is present in patients with autoimmune destruction of the adrenal glands, leading to Addison's disease. Antibody is also seen in autoimmune polyglandular syndrome.

Performing Laboratory
Quest Diagnostics Nichols Institute
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.