1. Clinical labs: studies suggest biopsy specimen misidentification and contamination errors are infrequent : report to the Ranking Member, Committee on Finance, U.S. Senate Publication: Washington, DC : United States Government Accountability Office, November 2020 Subject(s): Clinical Laboratory Techniques -- standardsDiagnostic Errors -- legislation & jurisprudenceGovernment RegulationSpecimen Handling -- standardsUnited StatesCenters for Medicare & Medicaid Services (U.S.)