The post-analytical phase is the final phase of the total testing process and involves evaluation of laboratory test results; release of test results in atimely manner to appropriate individuals, particularly critical results; and modification, annotation or revocation of results as necessary to supportclinical decision-making. Here we present a series of recommendations for post-analytical best practices, tailored to medical biochemistry laboratoriesin Croatia, which are intended to ensure alignment with national and international norms and guidelines. Implementation of the nationalrecommendations is illustrated through several examples.