rule out that possibility

[GoodTaste]

Does "rule out that possibility" mean "rule out that possibility of false positives"?

=======================

The French government says it is looking at the report. The doctors who made the finding said that they are confident in it, and that they tested the patient’s old sample twice to avoid false positives. But they acknowledged that they could not completely rule out that possibility.

-from New York Times Published May 5, 2020
https://www.nytimes.com/2020/05/05/w...imes&smtyp=cur

 

[GoesStation]

Does "rule out that possibility" mean "rule out [STRIKE]that[/STRIKE] the possibility of false positives"?

Yes.

–Which possibility did they rule out?
–That one: the possibility of false positives.