ICD-10-CM > V00-Y99 > W00-W19 > W16 > W16.1 > W16.13 W16.13 Fall into natural body of water striking side Non-Billable/Non-Specific Codes W16.131Fall into natural body of water striking side causing drowning and submersionW16.131A..., initial encounterW16.131D..., subsequent encounterW16.131S..., sequelaW16.132Fall into natural body of water striking side causing other injuryW16.132A..., initial encounterW16.132D..., subsequent encounterW16.132S..., sequela