Tasmania has one public health laboratory at the Royal Hobart Hospital and it has the capacity to process 500 coronavirus tests a day.
A Public Health Department spokesperson said the laboratory could process 500 results a day but if it needed, due to a surge in testing, it could increase its capacity to process up to 900 samples per day.
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Public Health deputy director Scott McKeown confirmed all of the testing sites in the state send the tests to the RHH for results.
"It's the peak lab to undertake testing for diseases such as coronavirus. It is certainly the laboratory in Tasmania that does all of the testing for specimens," he said.
"There are some tests, a small number, that may go interstate but by far almost the entirety of those tests are undertaken at the Royal Hobart."
A question on whether setting up testing laboratories in the North-West or Launceston had been considered was not directly answered.
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However Dr McKeown said the RHH laboratory was the state's main laboratory and it ensured reliable testing.
"I think the important part is when we're undertaking critical tests for a new disease, such as coronavirus, the need to have very, very stringent controls in place to ensure reliable testing," he said.
"The specimens that are collected in other areas of the state are processed and transported down very rapidly for that consistent, highly accurate testing process."
Health Minister Sarah Courtney said testing numbers continued to increase, with an increase in people undergoing testing in the North-West.
"We have now conducted over 6500 tests in Tasmania, but there is still more expansion we can do," she said.
"We've had over 270 tests in the North-West over the last 24 hours and 309 tests across the entire state."
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