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Test Code VALP Valproate

Alias

Valproic acid

Collection Method

Venous Collection

Container

Light Green Lithium Heparin tube

Instructions/Special Handling

None

Preferred Specimen

Light Green (Lithium Heparin) Plasma

Acceptable Specimes

  • Serum
    • Gold SST tube
    • Red tube
  • Plasma
    • Light Green lithium heparin
    • Lavender EDTA

Units

mcg/mL

Reference Ranges

Therapeutic Range:  50.0 - 100.0 mcg/mL

Critical Values

>150.0 mcg/mL

Reasons for Rejection

Hemolysis N/A
Icterus N/A
Lipemia N/A
Other QNS, Contaminated, Improperly labeled, Improper specimen type

 

Specimen Stability

Ambient (15-25°C) 2 days
Refrigerated (2-8°C) 7 days
Frozen (-20°C) 3 months

 

Performing Site

Boone Health Laboratory

Performance Information

Days/Times Performed Daily 24/7
Expected Turn around Time Same day
Methodology/Method Description Roche Cobas - Enzymatic

CPT Code(s)

80164

Panel Components

N/A