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Labcorp Oklahoma, Inc.
Test Directory


Index:

Diazepam and Nordiazepam

Order Name DIAZEPAM
Test Number: 3611375
Revision Date 10/18/2017
Test Name Methodology LOINC Code
Diazepam and Nordiazepam
Liquid Chromatography/Tandem Mass Spectrometry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.4 mL) Serum Clot Activator (Red Top, No-Gel) Refrigerated
Instructions Specimen Type: Red-top tube, lavender-top (EDTA) tube OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Specimen Storage: Refrigerate
Specimen Collection: Transfer separated serum or plasma to a plastic transport tube. Oral: peak; one hour after dose; I.V.: peak: 15 minutes after dose.
Specimen Stability: Ambient: 1 day, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 2-4 Days  
Performing Labcorp Test Code 007989 
Notes Labcorp Test Code: 007989
CPT Code(s) 80299
Lab Section Reference Lab