Laboratory Medicine

Test Catalogue

Chlordiazepoxide and Metabolite
Test Name Chlordiazepoxide and Metabolite
Specimen Type/Requirements Container Type = 1 Red Top Minimum Testing Volume = 1mL Blood Tube must fill to at least ½ or greater of its vacuum capacity
Specimen Handling Collection Instructions: Collect sample in red top tube. Avoid gel-separator tube. Submit trough specimen (i.e., collected immediately before next dose). Write your initials, date and time of collection on the collection label. ENSURE SPECIMEN IS PROTECTED FROM LIGHT Laboratory Staff Instructions: Separate samples from cells as soon as possible. Ensure aliquot is protected from light. Stability: Separated from cells stable at room temperature for 24 hours, refrigerated 14 days, frozen for 14 days. Rejection Criteria: Unlabeled or samples of non-sufficient quantity. Transportation: Send sample to core lab as soon as possible or ship frozen if transporting from an outside lab. Specimen must be aliquotted into an amber vial to protect from light.
Required Documentation
Turnaround Time (TAT) 7 days (batched)	Test Utilization
Reference Value Chlordiazepoxide Therapeutic: : 400 – 3,000 ng/mL Toxic : >3,500 ng/mL Nordiazepam Therapeutic: 100 – 500 ng/mL Toxic: > 500 ng/mL
Test Code CHDND	Methodology LC-MS/MS
Testing Location SMH-Biochemistry	Other Information Last Updated: January 11, 2023

Chlordiazepoxide and Metabolite

Test Name

Chlordiazepoxide and Metabolite

Specimen Type/Requirements

Container Type = 1 Red Top

Minimum Testing Volume = 1mL Blood

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in red top tube. Avoid gel-separator tube. Submit trough specimen (i.e., collected immediately before next dose). Write your initials, date and time of collection on the collection label. ENSURE SPECIMEN IS PROTECTED FROM LIGHT

Laboratory Staff Instructions: Separate samples from cells as soon as possible. Ensure aliquot is protected from light.

Stability: Separated from cells stable at room temperature for 24 hours, refrigerated 14 days, frozen for 14 days.

Rejection Criteria: Unlabeled or samples of non-sufficient quantity.

Transportation: Send sample to core lab as soon as possible or ship frozen if transporting from an outside lab. Specimen must be aliquotted into an amber vial to protect from light.

Required Documentation

Turnaround Time (TAT)

7 days (batched)

Test Utilization

Reference Value

Chlordiazepoxide
Therapeutic: : 400 – 3,000 ng/mL
Toxic : >3,500 ng/mL

Nordiazepam
Therapeutic: 100 – 500 ng/mL
Toxic: > 500 ng/mL

Test Code

CHDND

Methodology

LC-MS/MS

Testing Location

SMH-Biochemistry

Other Information

Last Updated: January 11, 2023