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Ethanol, Serum or Plasma - Medical
0090120
Ordering Recommendation
Serum test  to identify acute alcohol ingestion.
Mnemonic
ETOH
Methodology
Quantitative Gas Chromatography/Enzymatic
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
For medical purposes only. Timing of specimen collection: Dependent on time of exposure - test upon presentation to hospital.  
Collect
Plain red or gray (sodium fluoride/potassium oxalate). Also acceptable: Lavender (EDTA) or Sodium Heparin  
Specimen Preparation
Do not freeze whole blood. Separate serum or plasma from cells ASAP or within 2 hours of collection. Immediately transfer 2 mL serum or plasma to a tightly-capped ARUP Standard Transport Tube to minimize alcohol loss. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Whole blood. Plasma separator tubes (PST), serum separator tubes (SST).  
Remarks
 
Stability
After separation from cells: Ambient: 4 hours (if tightly capped); Refrigerated: 1 week (if tightly capped); Frozen: Serum or Plasma: 6 months  
Reference Interval
Effective February 19, 2013
Normal RangeNot established. Limit of detection varies based on instrumentation.
Therapeutic Range(Therapy for methanol toxicity): 100-200 mg/dL
Toxic LevelGreater than 250 mg/dL

Interpretive Data
Toxic concentrations may cause inebriation, CNS depression, respiratory depression, mental and motor impairment and liver damage. In children, ethanol ingestion may cause hypoglycemia.


Note
CPT Code(s)
80320 (Alt code: G0480)
Components
Component Test Code*Component Chart NameLOINC
0090120Ethanol, Serum or Plasma - Medical14336-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Blood Alcohol Level
  • Ethanol Blood
  • Ethyl Alcohol
  • EtOH