Diazepam, Serum

Message
LabCorp


Test Code
7989


Alias/See Also
"Diastat®
Diastat® AcuDial™
Diazepam Intensol™
Valium"


CPT Codes
80154

Includes
"Diazepam; nordiazepam (diazepam metabolite)
"


Preferred Specimen
"Serum or plasma


"


Minimum Volume
"0.4 mL


"


Other Acceptable Specimens
plasma


Transport Container
"Red-top tube, lavender-top (EDTA) tube, or green-top (heparin) tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decr


Transport Temperature
"Refrigerate
"


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
"Gel-barrier tube


"


Methodology
"High-pressure liquid chromatography (HPLC) "



The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.