ICD-10-CM > M00-M99 > M97-M97 > M97 > M97.2 M97.2 Periprosthetic fracture around internal prosthetic ankle joint Non-Billable/Non-Specific Codes M97.21Periprosthetic fracture around internal prosthetic right ankle jointM97.21XA..., initial encounterM97.21XD..., subsequent encounterM97.21XS..., sequelaM97.22Periprosthetic fracture around internal prosthetic left ankle jointM97.22XA..., initial encounterM97.22XD..., subsequent encounterM97.22XS..., sequela