VALPROIC ACID (FREE) BLOOD (VAF)
: 0-150 yrs: 6 - 20 mcg/mL
: Dark green top (Sodium Heparin)
: Red top (no gel)
: 2 dark green microtainers
: 5 mL blood
: 2 mL serum or plasma
: Refrigerated if not delivered to the lab immediately
: Refrigerated: 2 days, frozen at -20 C for longer storage
Reasons for Rejection
: Hemolysis, low volume
: Stat: 1.5 hours, routine: 2.5 hours
: Draw immediately before next dose. Refrigerate if not delivered immediately.
Search Options for the Test Directory:
1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)
2. Enter the Vanderbilt Test Code, if known.
3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.
If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail email@example.com.