Impact of Hub & Spoke organization on the measurement of plasma ammonia.

The letter published in the Annals of Clinical Biochemistry discusses the impact of the Hub & Spoke organization on the measurement of plasma ammonia levels. The study conducted a retrospective analysis comparing results from outpatients and inpatients, revealing differences in haemolysis index values and sample handling protocols. As a result of the findings, the authors revised their ammonia testing procedures within the organization to ensure efficient sample delivery, rapid analysis, and appropriate result reporting. Age-related reference intervals will also be implemented in the future. [Extracted from the article]