It’s confusing and quite abstract if you don’t work in healthcare, but it does make sense when you think about it in terms of money, as I did. The only times I’ve stepped in a hospital in the past five years are when I buy coffee from a store inside of one.
The system as described by Gordon lacks something crucial when talking about illness, disease and health conditions: specificity.
When you can’t properly code something in a very specific way, everything else built on top of it goes out the window.