The highest number of tests authorised in a single calendar day was on 24 September, where 11,870 tests were authorised in NHS Wales and non-NHS Wales laboratories.
Y nifer mwyaf o brofion a awdurdodwyd mewn un diwrnod calendr oedd ar 24 Medi, pan awdurdodwyd 11,870 o brofion yn labordai GIG Cymru a labordai heblaw rhai GIG Cymru.