PROTEIN C ANTIGEN (PCA)
: PCA, Protein C Antigen Total
: 70 - 140%
: One 2.7mL Light blue top - 3.2% Sodium Citrate
: Citrated platelet poor plasma - Requires double centrifugation if sending a plasma aliquot. Aliquot(s) must be frozen if not received by lab within 8 hours of collection.
: Pediatric: One 2.7mL Light blue top - 3.2% Sodium Citrate. Neonatal: One 1.8mL Light blue top - 3.2% Sodium Citrate.
: 1.0 mL
: 1.0 mL
: Room Temperature for Light blue top tube, must be received within 8 hours of draw. Plasma aliquot(s) must be frozen if not received by lab within 8 hours of collection.
: Refrigerated: 8 hours, frozen at -70 C: one month
Reasons for Rejection
: Clotted sample, incorrectly filled tubes, incorrect tube type, grossly hemolyzed sample, grossly lipemic sample, grossly icteric sample, whole blood >8.0 hours old
: Once per week
: 9:00 A.M.
: 7 days
: Deliver to lab immediately. Tube must be full and not clotted. Indwelling lines should be flushed with saline only and 5 mL of blood should be discarded prior to collecting coagulation samples.
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.