{"code":"T33.7","type":"code","title":"Superficial frostbite of knee and lower leg","codeAlso":[],"includes":["frostbite with partial thickness skin loss"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["superficial frostbite of ankle and foot (T33.8-)","hypothermia and other effects of reduced temperature (T68, T69.-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["T33.70XA","T33.70XD","T33.70XS","T33.71XA","T33.71XD","T33.71XS","T33.72XA","T33.72XD","T33.72XS"],"inclusionTerms":[],"sibling_titles":{"code":"T33.72XS","title":"Superficial frostbite of left knee and lower leg, sequela","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Superficial frostbite of knee and lower leg is a non-billable ICD-10-CM category code (T33.7). A more specific billable subcode must be selected for claims submission. Includes: frostbite with partial thickness skin loss. Excludes2 (not included here): superficial frostbite of ankle and foot (T33.8-); hypothermia and other effects of reduced temperature (T68, T69.-). 7th character: The appropriate 7th character is to be added to each code from category T33.","officialDefinition":"Superficial frostbite of knee and lower leg is a non-billable ICD-10-CM category code (T33.7). A more specific billable subcode must be selected for claims submission. Includes: frostbite with partial thickness skin loss. Excludes2 (not included here): superficial frostbite of ankle and foot (T33.8-); hypothermia and other effects of reduced temperature (T68, T69.-). 7th character: The appropriate 7th character is to be added to each code from category T33.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T33"],"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":""}