ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.3 > S91.35 S91.35 Open bite of foot Non-Billable/Non-Specific Type 1 Excludes superficial bite of foot (S90.86-, S90.87-) Codes S91.351Open bite, right footS91.351A..., initial encounterS91.351D..., subsequent encounterS91.351S..., sequelaS91.352Open bite, left footS91.352A..., initial encounterS91.352D..., subsequent encounterS91.352S..., sequelaS91.359Open bite, unspecified footS91.359A..., initial encounterS91.359D..., subsequent encounterS91.359S..., sequela