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Labcorp Oklahoma, Inc.
Test Directory


Index:

Vitamin B7 (Biotin)

Order Name Biotin
Test Number: 6906933
Revision Date 03/20/2023
Test Name Methodology LOINC Code
Vitamin B7 (Biotin)
Liquid Chromatography/Tandem Mass Spectrometry 1980-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serum Clot Activator (Red Top, No-Gel) Frozen
Alternate 1 1 mL (0.5) Plasma EDTA (Lavender Top) Frozen
Instructions Notes: 0.5 mL (Note: This volume Does NOT allow for repeat testing)
Specimen Type: Red-top tube OR lavender-top (EDTA) tube
Specimen Storage: Refrigerate
Specimen Collection: Transfer separated serum or plasma to a plastic transport tube and Freeze. Include patient's age on the test request form.
Specimen Stability: Ambient: 3 days, Refrigerated : 3 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 2 - 7 days  
Performing Labcorp Test Code 070097 
Notes Labcorp Test Code: 070097
CPT Code(s) 84591
Lab Section Reference Lab