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Test Code Miscellaneous Test Chlordiazepoxide

Clinical System Name

Miscellaneous Test

Synonyms

Librium

Chlordiazepoxide

Sample Requirements

Specimen: Whole Blood

Container(s): Red or Dark Green/Sodium Heparin or Gold SST

Preferred Vol: 4 mL

Minimum Vol:

 

Note: Sample affected by exposure to light. Includes Desmethylchlordiazepoxide.

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Keep sample protected from light. Refrigerate 2 mL serum or heparinized plasma in a dark plastic tube affixed with large computer label in the CPA refrigerator send-outs rack.

 

Off-site collection:

Stability

Specimen Type Temperature Time
Serum or plasma Room temp 3 d
  Refrigerated Y
  Frozen Y

 

Availability

STAT Performed TAT
N Drawn daily; shipped Mon - Thurs 3 - 8 d

 

Performing Laboratory

Medtox Laboratories

Department

Department:

Medtox Laboratories

402 West County Road D
St Paul, MN 55112
 

Phone Number: (800) 832-3244

 

 

Reference Range

 

  Reporting Limit Range Critical High
Chlordiazepoxide 20 ng/mL    
Desmethylchlordiazepoxide 20 ng/mL    
Chlordiazepoxide and metabolite 20 ng/mL 100 - 3000 ng/mL 5000 ng/mL

 

 

 

Methodology

Method: HPLC - UV

Analytical Volume: 0.6 mL serum or plasma

Limitations:

CPT Codes

80154

 

 

Send Out Instructions

 

Reference Test Name: Chlordiazepoxide and Desmethylchlordiazepoxide
Reference Test Number:

24

 

Instructions: Send out Mon - Thurs overnight via FedEx using a Medtox requisition and a Medtox paid airbill.