Sign in →

Test Code MISC2MAYO21OH 21-Hydroxylase Antibodies, Serum


Advisory Information


Testing for auto-antibodies against 21-hydroxylase is recommended following confirmation of adrenal insufficiency to help differentiate between causes of primary adrenal insufficiency



Shipping Instructions


Ship serum specimen frozen



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 plastic vial to remove from cells or gel prior to shipping.


Secondary ID

607788

Useful For

Investigation of adrenal insufficiency

 

Aid in the detection of those at risk of developing autoimmune adrenal failure in the future

Method Name

Enzyme-linked Immunosorbent Assay (ELISA)

Reporting Name

21-Hydroxylase Ab, S

Specimen Type

Serum

Specimen Minimum Volume

0.20 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 OK

Reference Values

Negative

Day(s) and Time(s) Performed

Wednesday; 2 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

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