ARUP's Laboratory Test Directory

Acetaminophen : 0090001

Mnemonic: ACET

Methodology: Spectrophotometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Plain red.

Specimen Preparation: Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Plasma. Specimens collected in separator tubes, sodium fluoride/potassium oxalate, or sodium citrate anticoagulants.

Stability (collection to initiation of testing): After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 45 days
Reference Interval:
10-30 µg/mL

Critical values:
Post four-hour ingestion: greater than 150 µg/mL
Post 12-hour ingestion: greater than 40 µg/mL
Interpretive Data: Acetaminophen concentrations greater than 150 µg/mL at four hours after ingestion and 40 µg/mL at 12 hours after ingestion are often associated with toxicity.
CPT Code(s): 82003
Cross References: Datril (Acetaminophen), Tylenol (Acetaminophen)
 
 

 

 

 
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