Acetaminophen

Test Code

LAB43

Alias/See Also

Tylenol

CPT Codes
80329

Preferred Specimen

Lithium Heparin (PST)

Minimum Volume

Blood: 4.5 ml (600 µl min) Serum or plasma: 1 mL (200 µL minimum)

Other Acceptable Specimens

Gold (SST), or Red (no additive

Instructions

After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.

Transport Temperature

Refrigerated

Specimen Stability

Separated from cells: 8 hours room temp, 48 hours refrigerated

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Wrong container; improper labeling; insufficient volume

Methodology
Spectrophotometric

Setup Schedule

Sunday - Saturday

Report Available

4 hours

Reference Range

INTERVALS SAMPLE TYPE CONVENTIONAL UNITS

Therapeutic Serum/Plasma 10-30 ug/mL

Toxic (Critical) Serum/Plasma 4 hours post-ingestion >150 ug/mL
Serum/Plasma 8 hours post-ingestion >75 ug/mL
Serum/Plasma 12 hours post-ingestion >40 ug/mL

Performing Laboratory
Piedmont Athens Regional

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.