ACETAMINOPHEN

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL (0.2 mL minimum) serum refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: Heparin, EDTA, Fluoride

Rejection Criteria
Serum separator tubes

Methodology
High Performance Liquid Chromatography

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
Therapeutic value: 10–25 µg/mL
Toxic concentration:   >200 µg/mL (4 hours after ingestion)  
   >50 µg/mL (12 hours after ingestion)  

Performed
Monday-Friday

Turnaround Time1-3 days
Test CodeACETA
CPT-4 Code (s)
80329 (G0480)
LOINC Codes
3298-7

Warde
Medical
Laboratory