Suspected delayed Transfusion Reaction

Indications This battery is used to investigate samples from patients that have been recently transfused and have clinical or serological indications that are suggestive of a delayed hemolytic transfusion reaction.
Method Sample will be evaluated by multiple methodologies
Additional Test Information Most testing will be performed on posttransfusion samples but some testing may be performed on pretransfusion sample if available. The battery of testing performed may include direct antiglobulin testing (DAT), ABO and D typing, RBC separation and complete phenotyping, antibody screening and identification if needed, and antibody elution with identification if needed.  RBC genotyping may also be required.
Sample Requirements EDTA tube. Serum separator gel tube is not acceptable.
Requested Volume 2 full 7 ml EDTA sample
Minimum Volume or Pediatric volume Minimum volume: 1 full 7 ml EDTA 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 Request for Testing-Immunohematology Reference Laboratory
Immunohematology Consultation Request
CPT Codes To be determined by tests performed
Test Schedule Monday through Sunday
Turn around Time (analytic time) 24 to 48 hours
Report/ Results Fax number required to receive report

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