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Labcorp Oklahoma, Inc.
Test Directory


Index:

18-Hydroxycorticosterone

Order Name HYDRXY 18
Test Number: 2011000
Revision Date 12/12/2022
Test Name Methodology LOINC Code
18-Hydroxycorticosterone
Mass Spectrometry (MS) 1674-1 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 3 mL (1 mL) Serum Clot Activator (SST or Red No-Gel) Frozen
Alternate 1 3 mL (1 mL) Plasma EDTA (Lavender Top) Frozen
Alternate 2 3 mL (1 mL) Plasma Lithium Heparin PST (Light Green Top) Frozen
Instructions Notes: 1 mL (Note: This volume Does NOT allow for repeat testing.)
Specimen Type: Gel-barrier tube, lavender-top (EDTA) tube or green-top (heparin) tube
Specimen Storage: FREEZE
Specimen Collection: Separate serum/plasma from cells within 45 minutes of collection transfer into a plastic transfer tube and Freeze. To avoid delays in turnaround time when requesting multiple test on frozen samples, please submit separate frozen specimen for each test requested.
Special Instructions: Testing is performed at Esoterix Endocrinology Laboratory: ES#500088.
Specimen Stability: Ambient: 1 day, Refrigerated : 1 day, Frozen: 90 days
GENERAL INFORMATION
Expected TAT 5 - 12 days  
Performing Labcorp Test Code 500778 
Notes Labcorp Test Code: 500778
CPT Code(s) 82542
Lab Section Reference Lab