ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.3 T24.3 Burn of third degree of lower limb, except ankle and foot Non-Billable/Non-Specific Use Additional external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) Codes T24.30Burn of third degree of unspecified site of lower limb, except ankle and footT24.301Burn of third degree of unspecified site of right lower limb, except ankle and footT24.301A..., initial encounterT24.301D..., subsequent encounterT24.301S..., sequelaT24.302Burn of third degree of unspecified site of left lower limb, except ankle and footT24.302A..., initial encounterT24.302D..., subsequent encounterT24.302S..., sequelaT24.309Burn of third degree of unspecified site of unspecified lower limb, except ankle and footT24.309A..., initial encounterT24.309D..., subsequent encounterT24.309S..., sequelaT24.31Burn of third degree of thighT24.311Burn of third degree of right thighT24.311A..., initial encounterT24.311D..., subsequent encounterT24.311S..., sequelaT24.312Burn of third degree of left thighT24.312A..., initial encounterT24.312D..., subsequent encounterT24.312S..., sequelaT24.319Burn of third degree of unspecified thighT24.319A..., initial encounterT24.319D..., subsequent encounterT24.319S..., sequelaT24.32Burn of third degree of kneeT24.321Burn of third degree of right kneeT24.321A..., initial encounterT24.321D..., subsequent encounterT24.321S..., sequelaT24.322Burn of third degree of left kneeT24.322A..., initial encounterT24.322D..., subsequent encounterT24.322S..., sequelaT24.329Burn of third degree of unspecified kneeT24.329A..., initial encounterT24.329D..., subsequent encounterT24.329S..., sequelaT24.33Burn of third degree of lower legT24.331Burn of third degree of right lower legT24.331A..., initial encounterT24.331D..., subsequent encounterT24.331S..., sequelaT24.332Burn of third degree of left lower legT24.332A..., initial encounterT24.332D..., subsequent encounterT24.332S..., sequelaT24.339Burn of third degree of unspecified lower legT24.339A..., initial encounterT24.339D..., subsequent encounterT24.339S..., sequelaT24.39Burn of third degree of multiple sites of lower limb, except ankle and footT24.391Burn of third degree of multiple sites of right lower limb, except ankle and footT24.391A..., initial encounterT24.391D..., subsequent encounterT24.391S..., sequelaT24.392Burn of third degree of multiple sites of left lower limb, except ankle and footT24.392A..., initial encounterT24.392D..., subsequent encounterT24.392S..., sequelaT24.399Burn of third degree of multiple sites of unspecified lower limb, except ankle and footT24.399A..., initial encounterT24.399D..., subsequent encounterT24.399S..., sequela