ICD-10-CM > S00-T88 > S90-S99 > S98 > S98.0 > S98.02 S98.02 Partial traumatic amputation of foot at ankle level Non-Billable/Non-Specific Codes S98.021Partial traumatic amputation of right foot at ankle levelS98.021A..., initial encounterS98.021D..., subsequent encounterS98.021S..., sequelaS98.022Partial traumatic amputation of left foot at ankle levelS98.022A..., initial encounterS98.022D..., subsequent encounterS98.022S..., sequelaS98.029Partial traumatic amputation of unspecified foot at ankle levelS98.029A..., initial encounterS98.029D..., subsequent encounterS98.029S..., sequela