ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.0 > T24.02 T24.02 Burn of unspecified degree of knee Non-Billable/Non-Specific Codes T24.021Burn of unspecified degree of right kneeT24.021A..., initial encounterT24.021D..., subsequent encounterT24.021S..., sequelaT24.022Burn of unspecified degree of left kneeT24.022A..., initial encounterT24.022D..., subsequent encounterT24.022S..., sequelaT24.029Burn of unspecified degree of unspecified kneeT24.029A..., initial encounterT24.029D..., subsequent encounterT24.029S..., sequela