You're hearing that a lot.
Emily Litella might have asked, "What's this about "presumptive positive?"
A presumptive positive result using a local test is treated as a positive result.
A state public health agency can take action and start coordinated response such as additional testing and contact tracing.
There are three levels to a possible COVID infection:Person Under Investigation, also PUI: Anyone who is being checked for the virus, or who was under investigation but tested negative.
Presumptive Positive: Anyone positive by testing at the local or state level. Presumptive positive cases must be confirmed by the CDC.
Laboratory-confirmed case has tested positive for the virus at the CDC laboratory.