Both services saw peaks in median waiting times during the height of the pandemic, in June 2020; the median waiting time for diagnostics was 14.3 weeks and for therapies was 14.9 weeks.
Roedd canolrif yr amseroedd aros ar gyfer y ddau wasanaeth wedi cyrraedd uchafbwynt ym mis Mehefin 2020 (14.3 wythnos ar gyfer diagnosteg ac 14.9 wythnos ar gyfer therapïau).