Sign in →

Browse by Name

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #
 

General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB0208298 Valproic Acid (Depakene), Plasma or Serum

Methodology

Fluorescence Polarization Immunoassay (FPIA)

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

 

Specimen Type: Plasma

Container/Tube:

Preferred:Green top (lithium heparin plasma)

Acceptable: Serum (Red top, Gold/SST), Na Heparin plasma (label specimen appropriately)

Specimen Volume: 1 mL

Minimum Specimen Volume: 0.25 ml

Collection Instructions: Plasma for a peak level should be drawn 2 hours after administration of drug. Plasma for a trough level (drawn just before next dose) may be more important therapeutically than a peak level.

Additional Information: Date and time of draw are required.

Specimen Transport Temperature

Refrigerated

Reference Values

PEAK
Therapeutic concentration: 100 mcg/mL
Toxic concentration (automatic call-back): ≥150 mcg/mL

TROUGH
Therapeutic concentration: 40 mcg/mL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

80164