Promethazine, Serum/Plasma [6276X]

Test Code

CPT Codes

Preferred Specimen
1 mL serum collected in a red-top tube (no gel)

Minimum Volume
0.5 mL

Other Acceptable Specimens
Plasma collected in EDTA (lavender-top) or (pink-top) tube

Promptly centrifuge and separate serum or plasma into a plastic screw-cap vial using approved guidelines.

Transport Container
Plastic screw-capped vial

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 30 days
Frozen: 1 year

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Polymer gel separation tube (SST® or PST)


Gas Chromatography (GC)

Setup Schedule
Set up: Tues; Report available: 3 days after set up

Reference Range
See Laboratory Report

Clinical Significance
Test is for Therapeutic Drug Monitoring.

Performing Laboratory
NMS Labs
200 Welsh Rd
Horsham, PA 19044

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.