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PLATLET ANTIBODY SCREEN
MessageTesting should be performed as soon as possible following collection to minimize the chance of false-positive or false-negative reactions due to improper storage or contamination of the specimen. Specimens that cannot be tested within 24 hours should be stored a 1-10°C as soon as possible. Consultation with Transfusion Services Medical Director is required, prior to testing
Test Code
LAB30462
CPT Codes
86022
Preferred Specimen
One 6 mL lavender top tube
Minimum Volume
1.0 mL EDTA plasma
Pediatric: EDTA, minimum of 1.0 mL of plasma
Pediatric: EDTA, minimum of 1.0 mL of plasma
Instructions
Specimen must be appropriately labeled if intended for pretransfusion compatibility testing. Specimens are labeled by using Positive patient identity by barcoding the patient's wristband, printing the label and sign the label on the signature line. If electronic patient identification is not available a hand written label must be done. Specimen must have hand written label containing patient name, hospital number, date of birth, date collected, phlebotomist’s initials, and witnesses’ initials.
Please refer to Transfusion Practice Policy for further information on transfusion practices.
Please refer to Transfusion Practice Policy for further information on transfusion practices.
Transport Temperature
Refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Sample not stored at 1-10oC if testing is to occur greater than 24 hours
Methodology
Capture-P Ready Screen Solid Phase System
Setup Schedule
0700-15:30 Monday, Tuesday, Wednesday, Thursday and Friday
Clinical Significance
The presence of antibodies to platelets may cause patients to be refractory to platelet transfusion.
Performing Laboratory
West Virginia University Hospital, Inc.
Berkeley Medical Center Camden Clark Medical Center United Hospital Center Wheeling Hospital
