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Acetaminophen Level

Mnemonic:    [ACETAMIN]
Name:    Acetaminophen Level
Specimen:    1 mL serum from a Red SST or Red top tube, or plasma from a Green PST.
Spec Stability:    Stable 5 days refrigerated.
Reference Range:    5 - 30 ug/mL
Critical Range:    > 50 ug/mL
  Method:    Colorimetric
Note:    Specimen usually drawn after an overdose. Should not be drawn earlier than 4 hrs after ingestion. If the time of Ingestion is not known, two or more blood samples taken at two 3 hour intervals may be used to estimate acetaminophen half-life and assess toxicity.