ICD-10-CM > V00-Y99 > W00-W19 > W16 > W16.0 > W16.02 > W16.021 W16.021 Fall into swimming pool striking bottom causing drowning and submersion Non-Billable/Non-Specific Type 1 Excludes drowning and submersion while in swimming pool without fall (W67) Codes W16.021A..., initial encounterW16.021D..., subsequent encounterW16.021S..., sequela