VPA
Valproic Acid, Total, Serum or Plasma
EPIC Test Procedure Code: LAB2449
Synonyms:
Depakote
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Serum gel tube, plain red top tube, or green top (heparin) tube
Specimen Type:
Serum or plasma
Preferred Volume:
1 mL
Minimum Volume:
0.5 mL
Collection Procedure:
1. The recommended draw time for a therapeutic drug level is immediately prior to the next dose (trough specimen).
2. Separate the serum or plasma from the cells within 2 hours of collection.
3. Indicate serum or plasma on the request form.
4. Label the specimen appropriately (serum or plasma).
Store and Transport:
Refrigerated
Stability:
Refrigerated - 2 days
Room temperature - 24 hours
CPT Codes:
80164 - Valproic Acid (EAP 30015820)
Test Schedule:
Monday through Sunday
Reference Ranges:
Therapeutic concentration:
(trough value)
50.0 - 100.0
μg/mL