{"code":"T28.9","type":"code","title":"Corrosions of other and unspecified internal organs","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},"inclusionTerms":[],"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":"Corrosions of other and unspecified internal organs is a non-billable ICD-10-CM category code (T28.9). 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 T28.","officialDefinition":"Corrosions of other and unspecified internal organs is a non-billable ICD-10-CM category code (T28.9). 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 T28.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T28"],"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":""}