The plan appears to be in its early stages, with all districts in Wuhan told to submit details as to how testing could be done within 10 days.
It comes after Wuhan, where the virus first emerged, recorded six new cases over the weekend.
Prior to this, it had seen no new cases at all since 3 April.
Wuhan, which was in strict lockdown for 11 weeks, began re-opening on 8 April.
For a while it seemed like life was getting back to normal as schools re-opened, businesses slowly emerged and public transport resumed operations. But the emergence of a cluster of cases - all from the same residential compound - has now threatened the move back to normalcy.