Latest information from SA Covid Hotline is people who arrived before today from NSW non red zones still need to be tested .I had one on day 1.
Going to Millicent for 2nd test today Took 2 days to get the results for the last test. No need to isolate after test.
If you're in the previous redzones need to isolate after the test .I'm not sure if ex redzone people need to isolate only till the test results each time or longer. Ring them and check.

1800253787 SA Covid Hotline for Travel requirements.