Natalie Finch explains how to complete diagnostic tests for renal function, International Renal Interest Society (AKI) consensus guidelines, fibroblast growth factor-23 (FGF-23) and dietary management of CKD. This one-hour webinar was first broadcast as part of BSAVA's Learn@Lunch series. Learn@Lunch broadcasts are available to BSAVA members only and are free to attend - visit the education page of the BSAVA website for details of future Learn@Lunch webinars. Recordings will be available for 3 years via the BSAVA Webinar Library.