This is a Proprietary Laboratory Analyses (PLA) code, meaning that the code describes only one unique lab test made by a specific manufacturer or performed by a specific lab. Code 0219U describes Sentosa® SQ HIV–1 Genotyping Assay by Vela Diagnostics USA Inc. This next generation sequencing (NGS)–based test analyzes the patient specimen, typically plasma, to detect HIV–1 genomic mutations in the reverse transcriptase, integrase, and protease regions.
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