ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.2 > S96.21 > S96.211 S96.211 Strain of intrinsic muscle and tendon at ankle and foot level, right foot Non-Billable/Non-Specific Codes S96.211A..., initial encounterS96.211D..., subsequent encounterS96.211S..., sequela