ICD-10-CM > S00-T88 > S80-S89 > S80 > S80.0 S80.0 Contusion of knee Non-Billable/Non-Specific Codes S80.00Contusion of unspecified kneeS80.00XA..., initial encounterS80.00XD..., subsequent encounterS80.00XS..., sequelaS80.01Contusion of right kneeS80.01XA..., initial encounterS80.01XD..., subsequent encounterS80.01XS..., sequelaS80.02Contusion of left kneeS80.02XA..., initial encounterS80.02XD..., subsequent encounterS80.02XS..., sequela