Faint o bobl yn y 12 mis diwethaf sydd wedi aros mwy na 12 awr mewn adrannau damweiniau ac achosion brys am ddiagnosis?
Wedi'i ateb gan Ysgrifennydd y Cabinet dros Iechyd a Gofal Cymdeithasol | Wedi'i ateb ar 11/12/2025
Data on waiting times until diagnosis are not available.
Official figures for emergency department are for four and 12-hour waits before a decision to admit, transfer or discharge. These are available at: Emergency departments: performance against waiting times targets, October 2009 onwards | StatsWales
(Saesneg yn unig)