Category Reference Sets Organisation SNOMED Type Standard Version 20241231 Access Open Status Active This reference set supports the recording of changes to medication instructions. It includes codes indicating whether instructions remain unchanged since the previous version or have been cancelled, ceased, changed, prescribed or suspended.This reference set can be used within implementations of the Medication Instruction and Action Detailed Clinical Model Specification. Access Change type reference set By accessing this content, you are leaving this website. The Agency takes no responsibility for the accuracy of content on the destination page.