The highest number of tests authorised in a single calendar day was on 3 October, where 12,062 tests were authorised in NHS Wales and non-NHS Wales laboratories.
Y nifer mwyaf o brofion a awdurdodwyd mewn un diwrnod calendr oedd ar 3 Hydref, pan awdurdodwyd 12,062 o brofion yn labordai GIG Cymru a labordai heblaw rhai GIG Cymru.