CPT code 0265U is a Proprietary Laboratory Analyses (PLA) code for Praxis Whole Genome Sequencing from Praxis Genomics LLC, reporting next-generation sequencing (NGS) of the whole genome and mitochondrial DNA on specimens such as blood, tissue, saliva, or buccal swab to aid diagnosis of rare constitutional and other heritable disorders; service type: clinical genomic testing (whole genome sequencing) performed by a specialized laboratory; typical site of service: outpatient or inpatient clinical laboratory or reference lab processing specimens collected in clinic, hospital, or ambulatory settings.