COVID – 19 Testing HTAC Guidance: Self-Administered Antigen Test Kits (SAAgT) Use of Self-Administered Antigen Testing for COVID-19 Use of Rapid Antigen Test Kits for the Diagnosis of COVID-19 (September 2021 Updates) Use of RT-PCR Testing for COVID-19 (April 2021 Assessment) Use of Rapid Antigen Test Kits for the Diagnosis of COVID-19 (April 2021 Assessment) USE OF POOLED TESTING FOR THE SCREENING AND SURVEILLANCE OF COVID-19 Use of Rapid Antigen Test Kits for the Diagnosis of COVID-19 Rapid antibody tests (RATs)(March 2020 assessment) Rapid antibody tests (RATs) (May 2020 reassessment) Reverse Transcriptase – Polymerase Chain Reaction (RT-PCR)