Summary Chart: Ordering Platelets

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Summary Chart: Ordering Platelets Type of Why Sample Required What PSBC Issues Special Ordering and When Information => Form Required Platelets (Apheresis) To prevent or treat bleeding due to No sample required. * Units usually issued within 2 hours Platelet count should be thrombocytopenia and/or platelet of order receipt (routine) or to obtained before ordering. => Fax / Call Blood Center dysfunction. Provide platelet count when arrive by the specified date/time. lab serving your ordering, if available. 4-hour expiration. hospital 1 unit will increase platelet count Random Apheresis Platelets ~ 24,000-35,000/μl (average size ordered “Emergency” leave PSBC Uncombined units expire Request for Blood and adult **). within 25 minutes of order receipt. 5 days after collection. Blood Components form Additional time is required for Once combined, 4-hour Usual adult dose is one apheresis transportation. expiration applies. unit. Platelets (Pooled) To prevent or treat bleeding due to No sample required. * Units usually issued within 2 hours Platelet count should be thrombocytopenia and/or platelet of order receipt (routine) or to obtained before ordering. => Fax / Call Blood Center dysfunction. Provide platelet count when arrive by the specified date/time. lab serving your ordering if available. 4-hour expiration. hospital 1 unit will increase platelet count Pooled platelets ordered ~ 6,000/μl (average size adult **). “Emergency” leave PSBC within 60 Request for Blood and minutes of order receipt. Additional Blood Components form Usual adult dose 4-6 pooled units. time is required for transportation. HLA Matched For patients refractory to random No sample required. * Units usually issued within 2 hours Blood Center must approve Community Donor donor platelets. of order receipt (routine) or to initial order to allow Apheresis Platelets Draw one hour (may be arrive by the specified date/time. arrangement of collections. and Family Matched drawn 10-60 minutes post Apheresis Platelets transfusion completion) Number of available matched Patient must be HLA typed [Platelets Apheresis, post platelet count after platelets units is limited. before HLA matched Matched (HLA or Family) transfusion completed. community platelets can be - (MAP)] ordered and HLA/platelet antibody testing is required. => Initial collections arranged by MD phone To arrange matched call to Blood Center platelet collections, call (425) 462-4393; may take Request for Blood and up to 48 hours to receive Blood Components form first unit. 4-hour expiration. .

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