Screening of antigen-Negative RBC units

Indications Screening for RBC unit(s) that are negative for antigens that are targets of a patient's antibodies. Test uses phenotyping reagents.
Method Standard test tube, gel column or Capture solid phase technology
Test Information Communication with the submitting facility may be requested in order to determine the scope of testing required and/or confirm the patient’s history.
Sample Requirements EDTA or plain red top (clotted) tube. Serum separator gel tube is not acceptable.
Requested Volume 1 full 7 ml EDTA/clotted sample
Minimum Volume or Pediatric volume Minimum volume: 1 full 7 ml EDTA/clotted sample
Pediatric: 1 full 3 ml EDTA sample; neonate: 2 full 0.5 ml EDTA microtainers
Shipping Information Ship at ambient temperature

Send samples to:
Bloodworks Northwest
Immunohematology Reference Laboratory
921 Terry Avenue
Seattle, WA 98104
Requisition Form RFT-Request for Testing Transfusion Services
Transaction Code 3119-00
CPT Codes 86904
Test Schedule Monday through Sunday
Turn around Time (analytic time) 24 hours