The titration of Anti-A and Anti-B isoagglutinins is performed as a screening test primarily to monitor engraftment in post hematopoietic stem cell transplant (HSCT) patients.
Specimen and requisition requirements
Adults and Children: One (1) full 5-7 ml EDTA (lavender) tube mixed thoroughly by gentle agitation.
Infants: 1ml EDTA (lavender) tube mixed thoroughly by gentle agitation.
Label specimen with the required minimum information: patient’s last name, first name, PHIN or hospital number or other unique identifier, date of collection, facility name, and phlebotomist initials.
Complete Requisition (must include):
- Patient's last name, first name, date of birth and PHIN or hospital number or other unique identifier
- Clinic / Facility Name
- Physician/Health Care Provider name
- Phlebotomist name, classification, initial
- Date/time of collection
- Name, facility, address, contact number of individual to whom the report will be sent
Recommended Refrigeration 1-10°C.
Submit samples as soon as possible after collection.
Ship in a container that will maintain temperature at ≥1°C.
Select shipping method for container to arrive at testing site within 48 hours.
Note: Protect from freezing.
Canadian Blood Services
Diagnostic Services Crossmatch Laboratory
777 William Ave.
Winnipeg, MB R3E 3R4