{"code":"T34.4","type":"code","title":"Frostbite with tissue necrosis of arm","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["frostbite with tissue necrosis of wrist and hand (T34.5-)","hypothermia and other effects of reduced temperature (T68, T69.-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["T34.40XA","T34.40XD","T34.40XS","T34.41XA","T34.41XD","T34.41XS","T34.42XA","T34.42XD","T34.42XS"],"inclusionTerms":[],"sibling_titles":{"code":"T34.42XS","title":"Frostbite with tissue necrosis of left arm, sequela","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Frostbite with tissue necrosis of arm is a non-billable ICD-10-CM category code (T34.4). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): frostbite with tissue necrosis of wrist and hand (T34.5-); 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 arm is a non-billable ICD-10-CM category code (T34.4). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): frostbite with tissue necrosis of wrist and hand (T34.5-); 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":"","noteProvenance":{"hypothermia and other effects of reduced temperature (T68, T69.-)":"T34"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}