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 0569U only for Guardant Reveal™ from Guardant Health Inc. This test uses next–generation sequencing (NGS) to examine more than 20,000 regions of DNA for abnormal methylation patterns associated with solid tumors. It analyzes circulating tumor DNA (ctDNA) in a blood sample to detect the presence or absence of tumor–derived genetic material. When appropriate, the result includes a tumor fraction value.
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