Test Code LAB10563 Chlordiazepoxide (Librium)
Department
SEND OUTS
Reference Lab Test Number
CHLRP
Collection Requirements
PROTECT FROM LIGHT
Refer To
Primary Collection Container
Red (No Gel)
Transport
Serum or plasma refrigerated
Preferred Transport Temperature
Refrigerated
Processing
PROTECT FROM LIGHT.
Centrifuge, separate and send 1.0 mL serum in a screw-capped plastic vial.
Stability
Ambient: 48 hours
Refrigerated: 7 days
Frozen: 2 weeks
Minimum Testing Volume
0.5 mL
Reference Range
Chlordiazepoxide
Therapeutic: 100–3000 ng/mL Toxic Range: >5000 ng/mL
Norchlordiazepoxide: 100–1000 ng/mL
Methodology
High Performance Liquid Chromatography
Performed
Monday, Wednesday, and Friday
Reported
3 – 4 days
CPT Codes
G0480
Unacceptable Conditions
SST Tubes.
Specimen not protected from light.
Additional Information
Includes Nordiazepam.