ICD-10-CM > V00-Y99 > W00-W19 > W16 > W16.1 W16.1 Fall into natural body of water Non-Billable/Non-Specific Applicable To Fall into lakeFall into open seaFall into riverFall into stream Codes W16.11Fall into natural body of water striking water surfaceW16.111Fall 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..., sequelaW16.12Fall into natural body of water striking bottomW16.121Fall into natural body of water striking bottom causing drowning and submersionW16.121A..., initial encounterW16.121D..., subsequent encounterW16.121S..., sequelaW16.122Fall into natural body of water striking bottom causing other injuryW16.122A..., initial encounterW16.122D..., subsequent encounterW16.122S..., sequelaW16.13Fall into natural body of water striking sideW16.131Fall 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