Indirect Antiglobulin Test (antibody screen)

Also Known as (Alias) Antibody screen
Indications This test detects the presence of unexpected antibody (allo- or auto-) against red blood cell antigens. 
Method Standard test tube, gel column or Capture solid phase technology
Test Information Patient serum/plasma is tested against a three cell panel that contains 18 common red cell antigens. The majority of clinically significant red blood cell alloantibodies are detected by this test. If positive, an extended cell panel (antibody identification) will be performed to determine red blood cell antigen specificity.
Sample Requirements EDTA or plain red top (clotted) tube, 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; 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 3104-00
CPT Codes 86850
Test Schedule Monday through Sunday
Turn around Time (analytic time) 24 hours if weekday; 48 hours if weekend
Report/ Results Fax number required to receive report