ICD-10-CM > V00-Y99 > W00-W19 > W16 > W16.1 > W16.11 W16.11 Fall into natural body of water striking water surface Non-Billable/Non-Specific Codes W16.111Fall into natural body of water striking water surface causing drowning and submersionW16.111A..., initial encounterW16.111D..., subsequent encounterW16.111S..., sequelaW16.112Fall into natural body of water striking water surface causing other injuryW16.112A..., initial encounterW16.112D..., subsequent encounterW16.112S..., sequela