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4929: Clorazepate (Tranxene®) Print View
Nordiazepam LC-MS-MS  100 - 500  ng/mL 

PRIMARY
1 Serum 2 (1) mL   Refrigerated - 7 Day(s)/Frozen - 2 Month(s) See COLLECTION INSTRUCTIONS./// 
ALTERNATE
  Plasma EDTA 2 (1) mL   Refrigerated - 7 Day(s)/Frozen - 2 Month(s)  
  Plasma ACD 2 (1) mL   Refrigerated - 7 Day(s)/Frozen - 2 Month(s)  

Orally administered clorazepate is rapidly decarboxylated to its metabolite, nordiazepam. There is essentially no circulating patent drug. Nordiazepam elimination half-life is about 40 to 50 hours. Plasma levels of nordiazepam increase proportionally with Clorazepate dose and show moderate accumulation with repeated administration.

Serum separator tubes are not acceptable; use polypropylene tubes.
Setup Schedule
Friday

Reported (Analytical Time)
Same day

CPT Code
80346

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Assayed as its primary metabolite, Nordiazepam.






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