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HelpTest Code CDP Chlordiazepoxide and Metabolites, Serum
Test Down Notes
This test is temporarily unavailable. As an alternate, order ZW86(1080SP). For additional details, see test update here.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Chlordiazepoxide and metabolites, SSpecimen 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.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
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 |
Specimen Minimum Volume
0.3 mL
Day(s) Performed
Wednesday
Specimen Retention Time
14 daysReport Available
2 to 7 daysReference 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
Useful For
Monitoring chlordiazepoxide therapy
Assessing toxicity
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 |
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)