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Acetaminophen, Plasma or Serum
Test Code78
CPT Codes
80329
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Draw blood 4 hours post-ingestion, followed by a second specimen drawn 4 hours later. For therapeutic drug monitoring, a trough level should be drawn 30 minutes before dose and a peak level is drawn 1 hour after completion of dose.
Note: 1. Indicate plasma and as peak or trough. 2. Label specimen appropriately (plasma and as peak or trough).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Draw blood 4 hours post-ingestion, followed by a second specimen drawn 4 hours later. For therapeutic drug monitoring, a trough level should be drawn 30 minutes before dose and a peak level is drawn 1 hour after completion of dose.
Note: 1. Indicate serum and as peak or trough. 2. Label specimen appropriately (serum and as peak or trough). "
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Draw blood 4 hours post-ingestion, followed by a second specimen drawn 4 hours later. For therapeutic drug monitoring, a trough level should be drawn 30 minutes before dose and a peak level is drawn 1 hour after completion of dose.
Note: 1. Indicate plasma and as peak or trough. 2. Label specimen appropriately (plasma and as peak or trough).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Draw blood 4 hours post-ingestion, followed by a second specimen drawn 4 hours later. For therapeutic drug monitoring, a trough level should be drawn 30 minutes before dose and a peak level is drawn 1 hour after completion of dose.
Note: 1. Indicate serum and as peak or trough. 2. Label specimen appropriately (serum and as peak or trough). "
Minimum Volume
Pediatric volume: 0.3 mL
Transport Temperature
Refrigerate
Methodology
Enzymatic
Setup Schedule
Monday through Sunday
Reference Range
Therapeutic concentration: 10-30 µg/mL
Toxic concentration (automatic call-back): >=30 µg/mL
Toxic concentration (automatic call-back): >=30 µg/mL
Performed By
CoxHealth
