Chlordiazepoxide
Clinical System Name
Miscellaneous Test
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 |
Performing Laboratory
Medtox Laboratories
Department
Department:
Medtox Laboratories
402 West County Road D
St Paul, MN 55112
Phone Number: (800) 832-3244
Synonyms
Librium
Chlordiazepoxide
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | Drawn daily; shipped Mon - Thurs | 3 - 8 d |
Methodology
Method: HPLC - UV
Analytical Volume: 0.6 mL serum or plasma
Limitations:
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 |
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. |