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Acetaminophen
Test CodeACETA
Alias/See Also
Tylenol
CPT Codes
82003
Preferred Specimen
SST or PST
Minimum Volume
0.5 mL
Other Acceptable Specimens
Lithium Heparin Plasma (green top tube)
Instructions
Acetaminophen specimens should not be drawn earlier than four hours after ingestion. If the time of ingestion is not known, two or more blood samples taken at two three-hour intervals may be used to estimate acetaminophen half-life and assess toxicity.
Transport Container
Serum (gold top) tube or Lithium Heparin Plasma (green top) tube
Transport Temperature
Refrigeration or Room Temperature
Specimen Stability
Room Temperature - 5 days; Refrigerated: - 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Quantity Not Sufficient, IV contamination
Methodology
Colorimetric
Setup Schedule
Daily upon receipt
Report Available
Upon completion of analysis
Reference Range
Therapeutic Range: 10 - 30 ug/L
Clinical Significance
Acetaminophen is a commonly used therapeutic drug with analgesic and antipyretic properties. Acetaminophen measurements are useful in the diagnosis and treatment of acute overdose, which can result in severe hepatotoxicity and nephrotoxicity.