ISO 23500

The series that sets the quality of water for dialysis, concentrates and dialysis fluid, and how the water treatment system is validated and monitored. It sets chemical limits (for example total chlorine at most 0.1 mg/L, tested at the loop outlet), microbiological limits for bacteria and endotoxin, and the monitoring frequency. A dialysis patient is exposed to hundreds of litres of water a week across a membrane, so the water plant is half of the therapy.

A summary written by BMEssentia for learning, not the text of the standard. Always work from the current official edition and the manufacturer's instructions.