This link outlines those who will be tested for Coronavirus 19
Medicos cannot test people outside of these criteria due to a lack of testing equipment. With the increase in cases, new medical data and arrival of testing equipment the testing criteria does change.
A suspect case must fulfill:
The epidemiological plus clinical criteria in category A; or category B; or C.
Read full article on: racgp.org.au
Dr Lachlan Soper