The highest number of tests authorised in a single calendar day was on 24 October, where 13,627 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 Hydref, pan awdurdodwyd 13,627 o brofion yn labordai GIG Cymru a labordai heblaw rhai GIG Cymru.