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Test name:Acetaminophen
Epic order code:LAB43
CPT code:82003
Specimen(s) type:Serum
Acceptable container(s):Top is red
Testing schedule:24 hrs/day, 7 days/week
Turn-around time:STAT: 1 hour 
 Routine: 2 hours 
Collection information:No special patient preparation is required. Obtain specimen by standard collection procedures.
Transport information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 24 hours.
Causes for rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport.
Reference range:Therapeutic:10-30 µg/mL 
 Toxic:>50 µg/mL 
Additional information:Bilirubin interference may cause erroneous Acetaminophen results. Amitriptyline and Imipramine show a significant negative interference (> 10 %).