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If you have additional questions regarding this test, please call: 415-353-1667
HLA Antibody Testing – Class I PRA
|Clinical Questions||Is my patient refractory to platelet transfusions due to alloantibodies?|
|Test group||HLA Antibody Testing|
|Performed by||Immunogenetics & Transplantation Laboratory (ITL)|
|Collection Instructions|| SAMPLE COLLECTION GUIDE FOR ITL TESTS:
Please use the following guide when collecting sample for ITL:
* Completely full 8.5 mL tubes
If two or more test categories are ordered add the # tubes together.
ITL (415) 476-3387
Print out and submit an ITL Requisition with the sample. Click here for Form
|Container type||Red top|
|Amount to Collect||6 mL blood|
|Preferred volume||4 mL serum|
|Min. Volume||2 mL serum|
|UCSF Rejection Criteria||Hemolyzed sample and or presence of substances that can interfere with the assay (high background).|
|Processing notes||Keep sample at Room Temperature, DO NOT refrigerate or centrifuge.|
|Synonyms||Class I PRA by Luminex, PRA Class I|
|Stability||If kept at ambient temperature, can be good for up to 72 hours|
|Turn around times||Test run Monday – Friday. Expected TAT for routine test is < 11 working days.|
|Additional information||This test detects sensitization to HLA Class I antigens through blood transfusion, organ transplantation, pregnancy, etc. It is reported as a percentage of positive cells in a panel.
In addition to solid organ testing protocols, this test can be requested for evaluation of refractoriness to platelet transfusions (contact Blood Bank, 415-353-1313).
|Last Updated||2/14/2014 9:29:40 AM|