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HelpTest Code VALP VALPROIC ACID, DEPAKOTE LEVEL
Performing Location
Collection Instructions
Refer to Venipuncture Protocol
Steady state:
30-85 hours for adults
20-70 hours for children
Peak: 1-3 hours after oral dose
Trough: immediately prior to next oral dose
Collection Container
Gold top or Marble Red top vacutainer
Specimen Required/Volume
1.0mL
Specimen Type
serum
Turn-Around Guidelines
Upon arrival daily
Reference Values
Therapeutic range: 50.0 – 100.0 ug/mL
Clinical discretion needed: 100 – 150 ug/mL
Toxic Range: > 150 ug/mL
Method
VITROS5600-Enzyme Heterogeneous Competitive Immunoassay
CPT
80164
LOINC
4086-5