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 0118U for the Viracor TRAC™ (transplant rejection allograft check) donor–derived cell–free DNA (dd–cfDNA) assay from Viracor Eurofins, which uses next generation sequencing to monitor the percentage of dd–cfDNA in transplant recipient blood following a solid organ transplant.
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