ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.1 > T24.19 > T24.199 T24.199 Burn of first degree of multiple sites of unspecified lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.199A..., initial encounterT24.199D..., subsequent encounterT24.199S..., sequela