There are separate charge codes for everything , and all of those codes need to be reflected in the pricing data. There's a price to slap on a bandaid. There's a price to give someone a Tylenol. 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." Medical billing is broken , and it's no surprise that the amount of data is o…
IIRC the "initial encounter" refers to the first visit between the patient and doctor about the duck bite, and "subsequent encounter" means a follow-up visit about the issue, not a second maiming by the duck. It makes for a fun first impression though
A - initial encounter (initial treatment)
D - subsequent encounter (continued treatment)
S - sequela (after the treatment plan is completed)