Test Overview
Test Methodology

ELISA

Test Usage

Investigation of adrenal insufficiency and aid in the detection of those at risk of developing autoimmune adrenal failure. Positive results indicate the presence of adrenal autoantibodies consistent with Addison's disease. Research Use Only.

Reference Range *

Negative

Test Details
Days Set Up
Wednesday
Analytic Time

3 - 10 days

Soft Order Code
21OH
MiChart Code
Adrenal Antibodies, 21-Hydroxylase
Synonyms
  • Adrenal Antibody
  • Anti-adrenal Antibodies
  • 21-OH Antibody
  • ACAB
  • Adrenal Cortex Antibodies
  • Hydroxylase Antibodies, 21-
  • OH21
  • Adrenal Antibodies, 21-Hydroxylase
Laboratory
Sendout
Reference Laboratory
Mayo OH21 (81970)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect blood in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.

Red Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.2 mL serum
Additional Information

Test performed by Mayo Clinic Laboratories.

Billing
CPT Code
83516
Fee Code
22001
LOINC
17781-6
NY State Approved
No