Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

21-HYDROXYLASE ANTIBODY

Geisinger Epic Procedure Code:  LAB1298    Geisinger Epic ID:  53117

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Alternate collection container: 
6 mL red-top (plain, non-serum separator) tube
Specimen required: 

0.5 mL serum; minimum 0.3 mL.



SPECIMEN PROCESSING
Processing instructions: 

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


Transport temperature: 

Room temperature.


Specimen stability: 

Room temperature: 5 days. Refrigerated: 14 days. Frozen: 60 days.


Rejection criteria: 

Gross hemolysis • Grossly icteric



TEST DETAILS
CPT code(s):  83516
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Enzyme-Linked Immunosorbent Assay (ELISA)
Synonyms: 

Quest test code 39226, 21-Hydroxyla


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


Review Date:  12/11/2024

Performing Locations