Ethanol
Label Mnemonic: ETOH
Epic Lab Code: LAB4919
Downtime Form: A-1a General Laboratory Requisition
Chemistry
6240 RCP
356-3527
Specimen(s):
Plasma
Collection Medium:
Plasma Separator Tube 4.5 mL
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection containers.
Minimum:
3 mL whole blood from light green top tube or TWO Microtainer® devices
Rejection Criteria:
Medico-legal specimens are not accepted.
Delivery Instructions:
Deliver to laboratory within 1 hour of collection.
Turn Around Time:
1 hour (upon receipt in laboratory)
Reference Range:
None detected. Ethanol intoxication begins in the 50-100 mg/dL range. Critical value: >300 mg/dL
Comments:
Includes plasma ethanol by enzymatic analysis. For screening for substances other than ethanol, see "Ethanol/Volatile Screen (EVS)".
Availability: as needed.
Test Limitations:
Icterus: No significant interference from bilirubin up to an I index of 60. Lipemia: No significant interference from lipemia up to an L index of 500. Hemolysis: >200 mg/dL will be canceled.

References:
(1) Young DS. Effects of Drugs on Clinical Laboratory Tests. 3rd ed. Washington, DC: AACC Press; 1990.
(2) Young DS. Effects of Pre analytical Variables on Clinical Laboratory Tests. Washington, DC: AACC Press; 1993: 3-120, 3-121.
Methodology:
Enzymatic (ethanol)
CPT Code:
80320