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HelpTest Code BARB Barbiturates
Performing Laboratory
YRMC, Chemistry
Day(s) Test Set Up
Monday – Sunday
Specimen Requirements
Urine (Sterile Container)
Specimen Transport Temperature
Ambient
LOINC Code
20664-9
Unit of Measure
ng/mL
Collection Instructions
Minimum Volume = 0.5 mL
Reference Values and Units
Negative Screen = <300
Positive Screen = ≥300
Reportable Range
60-800
Methodology
Two-Point Rate Competitive Absorbance