BUFFY COAT SMEAR BLOOD (BC)
: Buffy Coat Differential
: Wright stain smear
: Lavender top (EDTA)
: Lavender top (EDTA) - 2 mL (to fill line), or 2 full lavender top (EDTA)microtainer
: 2 mL
: 500 uL
: Room temperature or refrigerated
: Must be received by the lab within 4 hours
Reasons for Rejection
: QNS, clotted, specimen age
: 1 day
: Deliver to the lab within 4 hours. This test can be ordered if WBC count is less than 1,000/uL.
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 firstname.lastname@example.org.