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Acetaminophen

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Updated Test Information:

Test Description
Acetaminophen
Synonym(s)

APAP, Datril, Paracetamol, Tylenol, UOW396
Test ID
TYL
Container Type

Preferred:  4 mL blood in Gold SST tube
Also Acceptable: 4 mL blood in Orange RST, Lime Green PST, Red Top, Green Top or Lavender Top tube
Pediatric:  1 Full Lime Green Microtainer
Specimen Type

Blood
Specimen Requirements

 1 mL serum/plasma
Note: Note Time of Draw.
Specimen Collection / Processing Instructions

Serum/plasma must be removed from SST or PST into plastic aliquot tube immediately after separation
No addon testing to gel tubes over 24 hours old. 
Hemolysis should be avoided.  
Minimum Sample Volume

0.5 mL serum/plasma
Stability

Frozen
Department (code)

Chemistry, Harborview (CHH)
Methodology

Spectrophotometric
Estimated TAT

1 Day
CPT Code(s)

80143
Reference Range

0-25 mcg/mL 
Effective date: 11/01/2016
NOTE: There may be liver damage if serum level is >50 ug/mL 4 hrs after ingestion or half-life > 4 hrs.
Performing Lab

UW
LOINC Code(s)