DIAZEPAM AND NORDIAZEPAM SERUM
General Information
HLAB/HOL Code: VAL
UPHSM LIS Test #: 026980
Schedule:
Testing Time: 3-7 Days
Testing Lab: Mayo
UPHSM LIS Test #: 026980
Schedule:
Testing Time: 3-7 Days
Testing Lab: Mayo
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 0.5 mL
Temperature: Refrigerate
Tube Type: Serum
Collection Info:
Collection Container/Tube: Red top (Serum gel/SST are NOT acceptable)
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Temperature: Refrigerate
Tube Type: Serum
Collection Info:
Collection Container/Tube: Red top (Serum gel/SST are NOT acceptable)
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Specimen Acceptability
REJECT DUE TO:
Gross hemolysis: OK
Gross lipemia: OK
Gross icterus: OK
Gross hemolysis: OK
Gross lipemia: OK
Gross icterus: OK
Methods
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Clinical Utilities
Assessing compliance
Monitoring for appropriate therapeutic level
Assessing diazepam toxicity
Monitoring for appropriate therapeutic level
Assessing diazepam toxicity
CPT Codes
80346
G0480 (if appropriate)
G0480 (if appropriate)
* 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.
Reference Range
Therapeutic concentrations
Diazepam and Nordiazepam: 200 - 2500 ng/mL
Diazepam and Nordiazepam: 200 - 2500 ng/mL
