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Laboratory Medicine

Test Directory / Alcohol


Blood: Fluoride Oxalate

Common AbbreviationsALC
Tube typeBlood: fluoride EDTA
Clinical IndicationDetermination of alcohol concentration is commonly used for determining legal impairment, forensic purposes, diagnosis and treatment of alcohol dependency and detection of alcohol poisoning.
Specimen TypeBlood
Sample typePlasma
Minimum Volume1mL
Special PrecautionsNo special requirements
Stability2 weeks at 2-8°C
Turnaround TimeInpatient: 24 hours Outpatient/ GP: 24 hours
Reference IntervalReference ranges do not apply to this assay.
LimitationsEthyl alcohol is volatile so samples must remain lidded to prevent evaporation causing falsely low results. Urines contain sugars and contamination with microorganisms may yield false positive results due to fermentation of sugar to alcohol. Highly lipaemic samples may cause absorbance errors.
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