{"code":"T34.819","type":"category","title":"Frostbite with tissue necrosis of unspecified ankle","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["hypothermia and other effects of reduced temperature (T68, T69.-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Frostbite with tissue necrosis of unspecified ankle is a non-billable ICD-10-CM category code (T34.819). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): hypothermia and other effects of reduced temperature (T68, T69.-). 7th character: The appropriate 7th character is to be added to each code from category T34.","officialDefinition":"Frostbite with tissue necrosis of unspecified ankle is a non-billable ICD-10-CM category code (T34.819). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): hypothermia and other effects of reduced temperature (T68, T69.-). 7th character: The appropriate 7th character is to be added to each code from category T34.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T34"],"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":""}