This is a Proprietary Laboratory Analyses (PLA) code, meaning that the code applies to only one unique lab test made by a specific manufacturer or performed by a specific lab. Report 0193U for the Navigator JR Sequencing test from Grifols Immunohematology Center using a specimen such as blood. Analysis of the specific gene sequences listed in the code indicates Junior (JR) blood group antigens, which may help minimize adverse blood–type incompatibility reactions in blood transfusions, organ transplants, or in pregnancy and newborns.
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