21-HYDROXYLASE AB, SERUM

Specimen Required
Draw blood in a SST. Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum (0.3 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Plain red-top

Rejection Criteria
Grossly hemolyzed

Methodology
Qualitative Enzyme-Linked Immunosorbent Assay

Stability
After separation from cells:
Room temperature: 24 hours; Refrigerated: 7 days; Frozen: 1 month

Reference Range
Negative

Performed
Tuesday, Friday

Turnaround Time3-8 days
Test Code21HYD
CPT-4 Code (s)
83516
LOINC Codes
17781-6

Warde
Medical
Laboratory