Test Code 21OH 21-Hydroxylase Antibodies, Serum
Ordering Guidance
Testing for autoantibodies against 21-hydroxylase is recommended following confirmation of adrenal insufficiency to help differentiate between causes of primary adrenal insufficiency
Shipping Instructions
Ship specimen frozen on dry ice
Specimen Required
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial to remove from cells or gel prior to shipping.
Secondary ID
607788Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Specimen Type
SerumSpecimen Minimum Volume
0.2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Frozen | 14 days |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Reference Values
Negative
Day(s) Performed
Wednesday
Report Available
3 to 9 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
83516