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Prothrombin fragment 1+2
|Approval req'd?||Yes, contact Hematology at x 31747|
|Collection Instructions||1. Check the expiration date on the label of the blue top vacutainer before drawing the patient.
2. For blood collection in a sodium citrate blue top, the tube must be filled to above the Minimum Fill Indicator on the tube. It is crucial to wait and allow the tube to stop filling before removing it from the needle.
3. With use of a butterfly needle, draw about 1 cc using a separate blue top to remove air from tubing, discard the first tube and then draw a second blue top tube filled to the full extent of the vacuum.
4. Tubes should not be filled past the Maximum Fill dashed line by either using a syringe or removing the tube cap.
|Container type||Blue top filled to full extent of vacuum|
|Amount to Collect||2.7 mL blood|
|Sample type||Citrated plasma|
|Preferred volume||1 mL plasma|
|Min. Volume||1 mL plasma|
|UCSF Rejection Criteria||Samples collected in outdated blue top vacutainer. Over-filled or under-filled tubes may be rejected|
|Processing notes||Deliver sample to Hematology ASAP for processing.
Freeze plasma at -20C. Ship frozen to China Basin. Order Esoterix #300718
|Normal range||0.4-1.8 nmol/L|
|Last Updated||10/2/2010 11:52:56 AM|
If you have additional questions regarding this test, please call: 415-353-1667