ARUP's Laboratory Test Directory

Ethanol, Serum or Plasma - Medical : 0090120

Mnemonic: ETOH

Methodology: Gas Chromatography or Enzymatic
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect:  One 5 mL plain red or one 7 mL gray (sodium fluoride/potassium oxalate). Also acceptable: EDTA or plasma separator tube.

Storage/Transport Temperature:  2 mL serum or plasma at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.  Sodium fluoride/potassium oxalate whole blood may be transported in the original container.

Remarks:  For medical purposes only. Do not freeze whole blood.  Separate serum or plasma from cells immediately after collection and transfer to a tightly-capped tube to minimize alcohol loss.

Stability (collection to initiation of testing):  After separation from cells: Ambient: 4 hours, if tightly capped; Refrigerated: 1 week, if tightly capped; Frozen: 6 months, except whole blood
Reference Interval:
No therapeutic range - Assay detection limit 5 mg/dL
Assay detection limit 10 mg/dL
Therapy for methanol intoxication: 100-200 mg/dL
Potentially toxic: greater than 100 mg/dL
Critical: greater than 250 mg/dL
CPT Code(s): 82055
Cross References: Alcohol, Serum or Plasma, Blood Alcohol Level, Serum or Plasma, Blood Ethanol Level, Serum or Plasma, Ethyl Alcohol, Serum or Plasma - Medical
 
 

 

 

 
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