Acetaminophen

ToxicologyAlso known as: ParacetamolAlso known as: APAPAlso known as: N-acetyl-p-aminophenolug/mL

Measures the concentration of acetaminophen in the blood.

Normal Range
20 ug/mL
ug/mL
Abnormal Levels
Consult your provider
Specimen Type
Blood

Why This Biomarker Matters

Essential for diagnosing and managing acetaminophen overdose. Results determine overdose severity and guide urgent treatment to prevent life-threatening liver damage.

Understanding Your Results

Normal Range

20 ug/mL

Overview

This test measures acetaminophen (Tylenol) levels in the blood. It's typically ordered in emergency settings when acetaminophen overdose is suspected or to monitor therapeutic levels during treatment. Acetaminophen is metabolized by the liver; excessive levels can cause serious liver damage. The Rumack-Matthew nomogram is used to determine toxicity risk based on time since ingestion and blood level. This test is critical for overdose management and determining the need for antidote treatment (N-acetylcysteine).

Technical Information (LOINC Codes)

Standardized laboratory codes for this biomarker

3298-7Primary
Acetaminophen [Mass/volume] in Serum or Plasma
ug/mL
35595-8
Acetaminophen [Mass/volume] in Serum or Plasma by Screen method
ug/mL
3297-9
Acetaminophen [Presence] in Serum or Plasma
3299-5
Acetaminophen [Presence] in Urine
60048-6
Acetaminophen [Mass/volume] in Blood
ug/mL
14581-3
Acetaminophen [Moles/volume] in Serum or Plasma
umol/L
29529-5
Acetaminophen [Presence] in Specimen
13622-6
Acetaminophen [Mass/volume] in Urine
ug/mL
59384-8
Acetaminophen [Presence] in Urine by Screen method
4105-3
Acetaminophen [Mass] of Dose
mg
12442-0
Acetaminophen [Mass/volume] in Specimen
ug/mL
31089-6
Acetaminophen [Presence] in Bile fluid
35700-4
Acetaminophen [Mass/volume] in Gastric fluid
ug/mL
39456-9
Acetaminophen [Moles/volume] in Urine
umol/L
29389-4
Acetaminophen [Presence] in Gastric fluid
47095-5
Acetaminophen [Moles/volume] in Gastric fluid
umol/L
22736-3
Acetaminophen [Moles/volume] in Specimen
umol/L
18265-9
Acetaminophen [Presence] in Body fluid
60049-4
Acetaminophen [Mass/volume] in Body fluid
ug/mL
60050-2
Acetaminophen [Mass/mass] in Tissue
ug/g
70198-7
Acetaminophen [Moles/volume] in Serum or Plasma by Screen method
umol/L
88059-1
Acetaminophen [Presence] in Blood by Screen method

Available Lab Tests

Order tests that measure this biomarker

Acetaminophen

$86.08