TOPIC
Drugs
2 entries across the knowledge base
RxNormThe US normalised drug vocabulary — how it turns a thousand ways of naming the same medicine into one identifier, and why 'the same drug' is a harder question than it looks.article · 7 min · foundationATC and NDCTwo drug code systems at opposite ends of the telescope: WHO's ATC classifies medicines by what they treat and how; the US NDC identifies the exact box on the shelf.article · 6 min · foundation