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Acetaminophen Level
MessageChemistry
Test Code
LAB43
Alias/See Also
Tylenol
CPT Codes
80307
Includes
Acetaminophen
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 600 uL (one full light-green-top microtainer or two full red-top microtainers).
Serum/plasma: 300 uL plasma.
Serum/plasma: 300 uL plasma.
Other Acceptable Specimens
Red Top
Light green top (lithium heparin plasma)
Light green top (lithium heparin plasma)
Instructions
LAB: Centrifuge specimens and remove the plasma from the cellular material within 5 days of collection.
Specimen Stability
Ambient: ≤ 2 weeks
Refrigerated: ≤ 2 weeks
Frozen: ≤ 45 days
Refrigerated: ≤ 2 weeks
Frozen: ≤ 45 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
Therapeutic: 10-30 mcg/mL
Possible Toxicity: 150-200 mcg/mL (4hr pst ingestion)
Probable Toxicity: >200 mcg/mL (4hr pst ingestion)
Blood level >50 mcg/mL at 12 hr pst ingestion forecast severe liver damage.
Possible Toxicity: 150-200 mcg/mL (4hr pst ingestion)
Probable Toxicity: >200 mcg/mL (4hr pst ingestion)
Blood level >50 mcg/mL at 12 hr pst ingestion forecast severe liver damage.
Performing Laboratory
Hoag Newport/ Hoag Irvine
