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Test Code SQ VALP, EPIC LAB24 Valproate (Valproic Acid), Plasma or Serum

Methodology

Enzyme Immunoassay (EIA)

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred
Specimen Type:
Plasma
Container/Tube: Light-green top (lithium heparin gel)
Specimen Volume: 1 mL
Collection Instructions:
1. Avoid hemolysis and lipemia.
2. Label specimen as plasma.
 
Alternate
Specimen Type:
Serum
Container/Tube: Serum gel
Specimen Volume: 1 mL
Collection Instructions:
1. Avoid hemolysis and lipemia.
2. Label specimen as serum.

Specimen Transport Temperature

Refrigerated <48 hours/Frozen OK

Reference Values

Therapeutic concentration: 50.0-100.0 mcg/mL

Critical value (automatic call-back): ≥150.0 mcg/mL

Day(s) Test Set Up

Monday through Sunday

Specimen Requirements Additional Information

Specimen Stability:

Plasma or serum is stable at ambient temperature (15° C-25° C) for 2 days when capped, refrigerated (2° C-8° C) for 7 days when capped, and frozen (≤-20° C) for 3 months.

Test Classification and CPT Coding

80164