ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.0 > T24.02 > T24.029 T24.029 Burn of unspecified degree of unspecified knee Non-Billable/Non-Specific Codes T24.029A..., initial encounterT24.029D..., subsequent encounterT24.029S..., sequela