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Help21-Hydroxylase Antibodies, Serum
Additional Codes
Ovarian antibody
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.
Specimen Type
SerumSpecimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen | 14 days |
Reference Values
Negative
Day(s) Performed
Wednesday
Report Available
3 to 9 daysSpecimen Retention Time
2 weeksPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83516
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| 21OH | 21-Hydroxylase Ab, S | 85363-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 607788 | 21-Hydroxylase Ab, S | 85363-0 |