> Hell, W61.61XA is the medical code for "Bitten by duck, initial encounter." Presumably, this means there's also a code for "Bitten by duck, again." All this

> Hell, W61.61XA is the medical code for "Bitten by duck, initial encounter." Presumably, this means there's also a code for "Bitten by duck, again." All this means is "first visit", as in "I need immediate attention for this", and "subsequent encounter" doesn't mean "another duck" it means "follow up for X, but it's already been 'counted' (and presumably the care is less acute)" (i.e. for statistical purposes, "X,000/year people bit by ducks".