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 | Capture solid phase technology or gel column. |
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, a limited cell panel (antibody identification) will be performed to determine red blood cell antigen specificity. If unresolved, referred to IRL. |
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: |
Requisition Form | Request for Blood and Transfusion Testing |
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 |