Oxazepam (Serax(R)), an antianxiety agent, is an active but less potent metabolite of diazepam, nordiazepam, and chlordiazepoxide.
Clorazepate is a benzodiazepine used to treat anxiety. It has CNS depressant effects. The primary metabolite, nordiazepam is measured by this assay.
Synonyms
Tranzene
Desmethyldiazepam
Nordiazepam
Tranxene
Sample Type
Serum
Collect
Red top (Gold top NOT acceptable)
Amount to Collect
5 mL blood
Preferred Volume
2.5 ml serum
Minimum Volume
1 mL serum
Remarks
Do NOT use serum separator tube.
Stability (from collection to initiation)
Room temperature 3 days, refrigerated 1 week, frozen at -20C 1 month
Unacceptable Conditions
Sample collected in Gold top.
Test Code
NORDP
Sendout
Yes
Performing Lab
Quest
Specimen Preparation
Freeze at -20C. Test code NORDP orders both Clorazepate (Quest # 5274X) and Oxazepam (Quest # 808X) as a package.
Preferred Volume
2.5 ml serum
Minimum Volume
1 mL serum
Unacceptable Conditions
Sample collected in Gold top.
Stability (from collection to initiation)
Room temperature 3 days, refrigerated 1 week, frozen at -20C 1 month
Units
µg/mL (mcg/mL)
Reference Interval
0.1-2.0 ug/mL
Additional Information
Oxazepam (Serax(R)), an antianxiety agent, is an active but less potent metabolite of diazepam, nordiazepam, and chlordiazepoxide.
Clorazepate is a benzodiazepine used to treat anxiety. It has CNS depressant effects. The primary metabolite, nordiazepam is measured by this assay.
CPT Codes
80154-90 x2
Available Stat
No
Test Code
NORDP
Performing Lab
Quest
Sendout
Yes
Methodology
HPLC
Remarks
Do NOT use serum separator tube.
Collect
Red top (Gold top NOT acceptable)
Amount to Collect
5 mL blood
Sample Type
Serum
Preferred Volume
2.5 ml serum
Minimum Volume
1 mL serum
Unacceptable Conditions
Sample collected in Gold top.
Specimen Preparation
Freeze at -20C. Test code NORDP orders both Clorazepate (Quest # 5274X) and Oxazepam (Quest # 808X) as a package.
Units
µg/mL (mcg/mL)
Reference Interval
0.1-2.0 ug/mL
Synonyms
Tranzene
Desmethyldiazepam
Nordiazepam
Tranxene
Stability (from collection to initiation)
Room temperature 3 days, refrigerated 1 week, frozen at -20C 1 month
Reported
7-10 days
Additional Information
Oxazepam (Serax(R)), an antianxiety agent, is an active but less potent metabolite of diazepam, nordiazepam, and chlordiazepoxide.
Clorazepate is a benzodiazepine used to treat anxiety. It has CNS depressant effects. The primary metabolite, nordiazepam is measured by this assay.
CPT Codes
80154-90 x2
Ordering
Available Stat
No
Performing Lab
Quest
Methodology
HPLC
Reported
7-10 days
Additional Information
Oxazepam (Serax(R)), an antianxiety agent, is an active but less potent metabolite of diazepam, nordiazepam, and chlordiazepoxide.
Clorazepate is a benzodiazepine used to treat anxiety. It has CNS depressant effects. The primary metabolite, nordiazepam is measured by this assay.
Synonyms
Tranzene
Desmethyldiazepam
Nordiazepam
Tranxene
Collection
Sample Type
Serum
Collect
Red top (Gold top NOT acceptable)
Amount to Collect
5 mL blood
Preferred Volume
2.5 ml serum
Minimum Volume
1 mL serum
Remarks
Do NOT use serum separator tube.
Stability (from collection to initiation)
Room temperature 3 days, refrigerated 1 week, frozen at -20C 1 month
Unacceptable Conditions
Sample collected in Gold top.
Processing
Test Code
NORDP
Sendout
Yes
Performing Lab
Quest
Specimen Preparation
Freeze at -20C. Test code NORDP orders both Clorazepate (Quest # 5274X) and Oxazepam (Quest # 808X) as a package.
Preferred Volume
2.5 ml serum
Minimum Volume
1 mL serum
Unacceptable Conditions
Sample collected in Gold top.
Stability (from collection to initiation)
Room temperature 3 days, refrigerated 1 week, frozen at -20C 1 month
Result Interpretation
Units
µg/mL (mcg/mL)
Reference Interval
0.1-2.0 ug/mL
Additional Information
Oxazepam (Serax(R)), an antianxiety agent, is an active but less potent metabolite of diazepam, nordiazepam, and chlordiazepoxide.
Clorazepate is a benzodiazepine used to treat anxiety. It has CNS depressant effects. The primary metabolite, nordiazepam is measured by this assay.
Administrative
CPT Codes
80154-90 x2
Complete View
Available Stat
No
Test Code
NORDP
Performing Lab
Quest
Sendout
Yes
Methodology
HPLC
Remarks
Do NOT use serum separator tube.
Collect
Red top (Gold top NOT acceptable)
Amount to Collect
5 mL blood
Sample Type
Serum
Preferred Volume
2.5 ml serum
Minimum Volume
1 mL serum
Unacceptable Conditions
Sample collected in Gold top.
Specimen Preparation
Freeze at -20C. Test code NORDP orders both Clorazepate (Quest # 5274X) and Oxazepam (Quest # 808X) as a package.
Units
µg/mL (mcg/mL)
Reference Interval
0.1-2.0 ug/mL
Synonyms
Tranzene
Desmethyldiazepam
Nordiazepam
Tranxene
Stability (from collection to initiation)
Room temperature 3 days, refrigerated 1 week, frozen at -20C 1 month
Reported
7-10 days
Additional Information
Oxazepam (Serax(R)), an antianxiety agent, is an active but less potent metabolite of diazepam, nordiazepam, and chlordiazepoxide.
Clorazepate is a benzodiazepine used to treat anxiety. It has CNS depressant effects. The primary metabolite, nordiazepam is measured by this assay.
