How to implement repeat patient testing quality control in the in‐clinic laboratory

Background: In‐clinic laboratories may have little choice when it comes to quality control (QC) materials or robust recommendations for their use. This can lead to challenges regarding the application of QC for veterinary use and determining stable analytical performance. Aim of the article: This article aims to explain the principles of repeat patient testing quality control (RPT‐QC) and provides guidance for implementing RPT‐QC and generating QC limits for in‐clinic veterinary analysers. It also provides a standard operating procedure for processing RPT‐QC daily as a veterinary species‐specific QC and troubleshooting guidelines for unstable performance.