Is the registered nurse (RN) required to have a Medical Test Site (MTS) certification to perform a point of care CLIA-waived or polymerase chain reaction (PCR) COVID-19 tests?

It depends. MTS Certification is required by the employer/facility to perform a CLIA-waived or PCR COVID-19 tests regardless of setting. If the RN owns the business/facility, then the business/facility must have the appropriate MTS certification.

Medical Test Sites (MTS) | Washington State Department of Health