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Acetaminophen
MessagePerforming Lab: Hudson, Lakeview, Regions, Westfields
Test Code
0619
Alias/See Also
Sunquest: ACET; Tylenol
CPT Codes
80299
Preferred Specimen
0.2 mL Lithium Heparin (light green-top) tube
Minimum Volume
0.1 mL
Other Acceptable Specimens
Serum (gold-top, red-top, red/gray-top), Lithium Heparin (light green-top) on ICE
Instructions
Collection:
Acetaminophen specimen should not be drawn earlier than 4 hours after ingestion. If the time of ingestion is not known, two or more samples taken at three-hour intervals may be used to estimate acetaminophen half-life and assess toxcicity
Acetaminophen specimen should not be drawn earlier than 4 hours after ingestion. If the time of ingestion is not known, two or more samples taken at three-hour intervals may be used to estimate acetaminophen half-life and assess toxcicity
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 45 days
Refrigerated: 14 days
Frozen: 45 days
Methodology
- Colorimetric
Setup Schedule
Daily
Report Available
Same day
Reference Range
| Reference Range | Critical | |
| <3.0 mcg/mL | >99.9 mcg/mL | |
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
