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HelpAcetaminophen Level
eD-H Order Code
LAB43
Specimen Collection Information
| Specimen | Minimum Test Volume | Container | Special Handling |
|---|---|---|---|
| Blood | 0.1 ML |
Specimen Transport Temperature
Refrigerated
Reference Ranges / Critical Values
| Assay | Gender | Age Range | Normal Range | Critical Values | Units |
|---|---|---|---|---|---|
| Acetaminoph Lvl | All | 0 Minutes – 150 Years | 5 -30 | >50 | mg/L |
Specimen Stability
Additional Specimen Instructions
Acetaminophen is readily absorbed from GI Tract. Peak plasma levels after oral administration reached
In 1/2-1 hours. Plasma half-life is normally around 3 hours. If half-life exceeds 4
hours during acute poisoning, hepatic necrosis occurs. Two specimens should be drawn
about 4 hours apart to determine half-life.
Interpretive Data
| Assay Display | Interpretive Data |
|---|---|
| Acetaminoph Lvl | Levels >150 mg/L at 4 hours post ingestion are often an indication for N-Acetylcysteine.. |
Day(s) Performed
Monday through Sunday; continuously
CPT(s)
80329
Performing Lab Section
Chemistry