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Labcorp Oklahoma, Inc.
Test Directory


Index:

21 Hydroxylase Antibody

Order Name 21-Hydroxy Ab
Test Number: 3487055
Revision Date 11/14/2023
Test Name Methodology LOINC Code
21 Hydroxylase Antibody
Qualitative ELISA 85363-0 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1.0mL ( 0.3mL) Serum Clot Activator SST Frozen
Alternate 1 1.0mL ( 0.3mL) Serum Clot Activator (Red Top, No-Gel) Frozen
Instructions Notes: 0.2 mL (Note: This volume Does NOT allow for repeat testing.)
Specimen Type: Serum from Red Top Tube or Serum from a Gel Tube
Specimen Storage: Frozen 
Specimen Collection: Separate serum from cells within one hour. Transfer to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Special Instructions: Testing is performed at Esoterix Endocrinology Laboratory: ES#500036
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 2 years
GENERAL INFORMATION
Expected TAT 8-11 days  
Performing Labcorp Test Code 504805 
Notes Labcorp Test Code: 504805
CPT Code(s) 83516
Lab Section Reference Lab