| |  |  | |  | | Use additional code, if applicable, to identify any associated current injury | 
 | Use additional external cause code to identify perpetrator, if known (Y07.-) | 
 |  The appropriate 7th character is to be added to each code from category T74 |  A  |  initial encounter  |  |  D  |  subsequent encounter  |  |  S  |  sequela  | 
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