DIAZEPAM AND NORDIAZEPAM, SERUM
Marquette General Health System

General Info

Alpha Code

  VAL

MGH LIS Test No

  698

Schedule

  Monday through Friday

Testing Time

  1 day

Testing Lab

  Mayo Labs

QORR Test Code

  VAL

Specimen Info

Type

     

Volume

   

Temperature

  Refrigerate

Preservative

   

Collection Info

  Draw blood in plain, red-top tube(s). (SST TUBE IS NOT ACCEPTABLE.)
Spin down and send 3.0 mL of serum.      
 
Specimen Acceptability

Methods
High-Pressure Liquid Chromatography (HPLC) (Separate determinations are performed.)

Clinical Utilities

CPT Codes
82491

Reference Range
Therapeutic concentrations
  Diazepam:       0.2-0.8 ug/mL
  Nordiazepam:    0.2-1.0 ug/mL
  Total of both:  0.4-1.8 ug/mL
Toxic concentration (automatic call-back)
  Total of both:  > or = 5.0 ug/mL      

Component Information

Collection Notes

Additional Comments

 

Questions or Comments email support@mgh.org

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