!exclusive! | 61869-9

You would be correct that FHIR (Fast Healthcare Interoperability Resources) is the modern, web-based approach to health data. However, ISO/HL7 61869-9 remains highly relevant for two reasons:

At its core, is an international standard developed jointly by the International Organization for Standardization (ISO) and Health Level Seven International (HL7). 61869-9

Review compiled in April 2026 – reflects latest corrigenda. You would be correct that FHIR (Fast Healthcare

is an international standard that defines the digital interface for instrument transformers used in modern electrical substations. Published by the International Electrotechnical Commission (IEC), it serves as a critical bridge between physical primary equipment (like current and voltage transformers) and digital protection and control systems. Overview of IEC 61869-9 is an international standard that defines the digital

To understand why this matters, we need to look at the "RIM" (Reference Information Model). The RIM is the backbone of HL7 Version 3. It is a rigorous, scientific model that defines every possible piece of data in healthcare (from a patient's name to a surgical procedure).