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91090:CAFFEINE, URINE
Methodology:Enzyme Immunoassay (EIA) / High Performance Liquid Chromatography (HPLC)
Edit Date:9/15/2010
Performed:Daily
Released:4-6 hours if infant or 24-48 hours if adult, after setup at PeaceHealth Laboratories' reference lab
CPT Code:83520-90
Specimen Collection Details
Collection:Urine in a leak-proof plastic vial.
Handling:Refrigerate.
Standard Volume:10 ml urine
Minimum Volume:0.6 mL urine (micro method does not allow for repeat testing or confirmations).
Transport:Refrigerated.