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Regional Medical Lab
Test Directory


Index:

Naproxen Level

Order Name NAPROXEN
Test Number: 4003230
Revision Date 02/18/2019
Test Name Methodology LOINC Code
Naproxen Level
High Performance Liquid Chromatography 3846-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1.0mL ( 0.25mL) Serum Clot Activator (Red Top, No-Gel) Room Temperature
Alternate 1 1.0mL ( 0.25mL) Plasma EDTA (Lavender Top) Room Temperature
Instructions Specimen Stability: Room temperature: 15 days, Refrigerated: 15 days, Frozen: 15 days
Unacceptable: Collection with gel barriers (SST or PST).
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 7 days  
Notes Reference Lab: Quest
Test Code: 4950
Click Here to view information on the Quest website.
CPT Code(s) 80329 (HCPCS:80299)
Lab Section Reference Lab