ICD-10-CM > S00-T88 > S90-S99 > S93 > S93.5 > S93.52 > S93.521 S93.521 Sprain of metatarsophalangeal joint of right great toe Non-Billable/Non-Specific Codes S93.521A..., initial encounterS93.521D..., subsequent encounterS93.521S..., sequela