{"code":"T24.1","type":"code","title":"Burn of first degree of lower limb, except ankle and foot","codeAlso":[],"includes":["burns and corrosions of first degree [erythema]","burns and corrosions of second degree [blisters][epidermal loss]","burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["burn and corrosion of ankle and foot (T25.-)","burn and corrosion of hip region (T21.-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["T24.101","T24.101A","T24.101D","T24.101S","T24.102","T24.102A","T24.102D","T24.102S","T24.109","T24.109A","T24.109D","T24.109S","T24.111","T24.111A","T24.111D","T24.111S","T24.112","T24.112A","T24.112D","T24.112S","T24.119","T24.119A","T24.119D","T24.119S","T24.121","T24.121A","T24.121D","T24.121S","T24.122","T24.122A","T24.122D","T24.122S","T24.129","T24.129A","T24.129D","T24.129S","T24.131","T24.131A","T24.131D","T24.131S","T24.132","T24.132A","T24.132D","T24.132S","T24.139","T24.139A","T24.139D","T24.139S","T24.191","T24.191A","T24.191D","T24.191S","T24.192","T24.192A","T24.192D","T24.192S","T24.199","T24.199A","T24.199D","T24.199S"],"inclusionTerms":[],"sibling_titles":{"code":"T24.199S","title":"Burn of first degree of multiple sites of unspecified lower limb, except ankle and foot, sequela","isBillable":true},"useAdditionalCode":["external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)","code from category T31 or T32 to identify extent of body surface involved"],"clinicalDefinition":"Burn of first degree of lower limb, except ankle and foot is a non-billable ICD-10-CM category code (T24.1). A more specific billable subcode must be selected for claims submission. Includes: burns and corrosions of first degree [erythema]; burns and corrosions of second degree [blisters][epidermal loss]; burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]. Excludes2 (not included here): burn and corrosion of ankle and foot (T25.","officialDefinition":"Burn of first degree of lower limb, except ankle and foot is a non-billable ICD-10-CM category code (T24.1). A more specific billable subcode must be selected for claims submission. Includes: burns and corrosions of first degree [erythema]; burns and corrosions of second degree [blisters][epidermal loss]; burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]. Excludes2 (not included here): burn and corrosion of ankle and foot (T25.-); burn and corrosion of hip region (T21.-). Use additional code: external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92); code from category T31 or T32 to identify extent of body surface involved. 7th character: The appropriate 7th character is to be added to each code from category T24.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T24"],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":"","noteProvenance":{"burn and corrosion of ankle and foot (T25.-)":"T24","burn and corrosion of hip region (T21.-)":"T24","code from category T31 or T32 to identify extent of body surface involved":"T24","burns and corrosions of first degree [erythema]":"T24","burns and corrosions of second degree [blisters][epidermal loss]":"T24","burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]":"T24"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}