Collect at trough concentration
Monday, Tuesday, Thursday, Friday
Reported (Analytical Time)
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.
Transport Temperature: Room temperature Preferred Specimen: Serum collected in red-top tube (no gel) Acceptable: Serum collected in no additive (royal blue-top) tube or plasma collected in EDTA (lavender-top) or sodium heparin (green-top) tube Reject Criteria: Serum separator tubes Methodology:Liquid Chromatography/Tandem Mass Spectrometry