Additionally, clinical discretion may also be required to add individuals to priority group 6, who may be eligible but not listed in the national system.
Hefyd, efallai y bydd angen disgresiwn clinigol i ychwanegu unigolion at grŵp blaenoriaeth 6, a all fod yn gymwys ond nad ydynt wedi'u rhestru ar y system genedlaethol.