Red Cell Genotyping-common antigens (Kell, Kidd, Duffy, Ss)

Also Known as (Alias) red cell genotyping
Indications Red Cell (HEA) Genomics
Method polymerase chain reaction (PCR) based
Test Information Subset of genotyping for the common variants.
Sample Requirements EDTA (lavender top)
Requested Volume 10cc EDTA (lavender top) tube(s)
Minimum Volume or Pediatric volume Minimum Vol: 5ml

Pediatric Minimum Vol: 2ml or 4 EDTA (lavender) microtainers, each containing 0.5ml

*Note: For very difficult draws, contact the Genomics Testing Lab at Bloodworks NW at 206-689-6269 for approval of microtainers

Shipping Information Whole blood shipped at ambient temperature and should arrive in the lab within 48 hours.

Send samples to:
Bloodworks Northwest
Genomics Testing Laboratory
921 Terry Ave.
Seattle, WA 98104

For additional information please see Ordering Information

Requisition Form Request for Testing: Genomic Testing Laboratory
Transaction Code 3117-11
CPT Codes 81403 x8
Turn around Time (analytic time) 3 business days
Report/Results Fax number required to receive report
Limitation of test Molecular testing to predict the red blood cell phenotype does not always reflect the phenotypic expression of the blood group antigen. This may occur in cases where the individual has genetic variation that silences or alters the blood group antigen expression that is not included in the target region of the test, and also may occur with RhD zygosity testing. Test results must be interpreted with knowledge of how known polymorphisms affect blood group antigen expression. The performance characteristics have been established by Bloodworks Northwest. The results are not intended as the sole means for clinical diagnosis for donor or patient management decisions.

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