{"code":"T27.5","type":"category","title":"Corrosion involving larynx and trachea with lung","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["(T51-T65) to identify chemical and intent"],"excludes1":[],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["T27.5XXA","T27.5XXD","T27.5XXS"],"inclusionTerms":[],"sibling_titles":{"code":"T27.5XXS","title":"Corrosion involving larynx and trachea with lung, sequela","isBillable":true},"useAdditionalCode":["external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)","external cause code to identify place (Y92)"],"clinicalDefinition":"Corrosion involving larynx and trachea with lung is a non-billable ICD-10-CM category code (T27.5). A more specific billable subcode must be selected for claims submission. Code first: (T51-T65) to identify chemical and intent. Use additional code: external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98); external cause code to identify place (Y92). 7th character: The appropriate 7th character is to be added to each code from category T27.","officialDefinition":"Corrosion involving larynx and trachea with lung is a non-billable ICD-10-CM category code (T27.5). A more specific billable subcode must be selected for claims submission. Code first: (T51-T65) to identify chemical and intent. Use additional code: external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98); external cause code to identify place (Y92). 7th character: The appropriate 7th character is to be added to each code from category T27.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T27"],"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":""}