ICD-10-CM > V00-Y99 > W00-W19 > W16 > W16.5 > W16.52 > W16.521 W16.521 Jumping or diving into swimming pool striking bottom causing drowning and submersion Non-Billable/Non-Specific Type 1 Excludes drowning and submersion while in swimming pool without jumping or diving (W67) Codes W16.521A..., initial encounterW16.521D..., subsequent encounterW16.521S..., sequela