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Platelet Crossmatch

Item Value
Clinical Questions Is my patient refractory to platelet transfusions due to alloantibodies?
Approval req'd? Yes, contact Blood Bank at x3-1313
Available Stat? No
Test code XMPLAT
Performed by Blood Centers of the Pacific Immunohematology Reference Laboratory
Sendout? Yes
Method Solid Phase Red cell Adherance (Capture-P¨ IMMUCOR)
Collection Instructions Specimens must be collected early on morning of testing (Mon-Fri ONLY) and delivered to the Blood Bank no later than 10:30 AM
Container type Large Lavender tops (6 mL) x2
Amount to Collect 12 mL blood
Sample type EDTA whole blood
Preferred volume 12 mL whole blood
UCSF Rejection Criteria Unsigned samples will be rejected. Samples collected 24 hours before testing will be rejected
Processing notes Samples must be shipped to Blood Centers of the Pacific by no later than 11:00 AM
Normal range Compatible with ALL donors tested
Turn around times Results of crossmatch test are available the same afternoon (Mon-Fri). However, anticipate a 1-2 day delay in platelet availability as products must undergo bacterial and infectious marker testing.
Additional information Test is not available Sat-Sun. Reserved for patients who are refractory to platelet transfusions. Requires pre-approval of Lab Medicine Resident (X3-1313). Please see lab manual for details:

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CPT coding 86022-90
LOINC code 45370-4
Last Updated 6/24/2016 12:13:20
Entry Number 751
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