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HelpTest Code LAB6107 Chlordiazepoxide and Metabolites, Serum
Additional Codes
| Mayo Test ID |
|---|
| CDP |
Reporting Name
Chlordiazepoxide and metabolites, SUseful For
Monitoring chlordiazepoxide therapy
Assessing toxicity
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedShipping Instructions
Ship specimen in amber vial to protect from light.
Specimen Required
Supplies: Amber Frosted Tube, 5 mL (T915)
Collection Container/Tube: Red top (serum get/SST are not acceptable)
Submission Container/Tube: Amber vial
Specimen Volume: 1 mL
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into an amber vial.
Specimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days | LIGHT PROTECTED |
| Ambient | 28 days | LIGHT PROTECTED | |
| Frozen | 28 days | LIGHT PROTECTED |
Reference Values
Therapeutic concentration:
Chlordiazepoxide: 400-3,000 ng/mL
Cutoff concentrations by liquid chromatography tandem mass spectrometry:
Chlordiazepoxide: 10 ng/mL
Nordiazepam: 10 ng/mL
Oxazepam: 10 ng/mL
Day(s) Performed
Wednesday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CDP | Chlordiazepoxide and metabolites, S | 33060-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8610 | Chlordiazepoxide | 3457-9 |
| 37321 | Nordiazepam | 3537-8 |
| 622870 | Oxazepam | 3886-9 |
Report Available
2 to 7 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Neurology Specialty Testing Client Test Request (T732)
-Therapeutics Test Request (T831)
For BJH Laboratory Use Only
Alternate Tube:
1 dark green-top (lithium heparin) tube on wet ice
1 pink-top (EDTA) tube on wet ice
Separator gel tube is not acceptable.
Laboratory Processing Instructions:
BJH Core Lab will forward to the performing laboratory. Do not reject specimen if not received on ice.