ICD-10-CM > V00-Y99 > W00-W19 > W16 > W16.1 > W16.12 W16.12 Fall into natural body of water striking bottom Non-Billable/Non-Specific Codes W16.121Fall 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..., sequela