{"code":"T65.0X4S","type":"code","title":"Toxic effect of cyanides, undetermined, sequela","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["hydrogen cyanide (T57.3-)","contact with and (suspected) exposure to toxic substances (Z77.-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["T65","T65.0","T65.0X","T65.0X1","T65.0X1A","T65.0X1D","T65.0X1S","T65.0X2","T65.0X2A","T65.0X2D","T65.0X2S","T65.0X3","T65.0X3A","T65.0X3D","T65.0X3S","T65.0X4","T65.0X4A","T65.0X4D","T65.1","T65.1X","T65.1X1","T65.1X1A","T65.1X1D","T65.1X1S","T65.1X2","T65.1X2A","T65.1X2D","T65.1X2S","T65.1X3","T65.1X3A","T65.1X3D","T65.1X3S","T65.1X4","T65.1X4A","T65.1X4D","T65.1X4S","T65.2","T65.211","T65.211A","T65.211D","T65.211S","T65.212","T65.212A","T65.212D","T65.212S","T65.213","T65.213A","T65.213D","T65.213S","T65.214","T65.214A","T65.214D","T65.214S","T65.221","T65.221A","T65.221D","T65.221S","T65.222","T65.222A","T65.222D","T65.222S","T65.223","T65.223A","T65.223D","T65.223S","T65.224","T65.224A","T65.224D","T65.224S","T65.291","T65.291A","T65.291D","T65.291S","T65.292","T65.292A","T65.292D","T65.292S","T65.293","T65.293A","T65.293D","T65.293S","T65.294","T65.294A","T65.294D","T65.294S","T65.3","T65.3X","T65.3X1","T65.3X1A","T65.3X1D","T65.3X1S","T65.3X2","T65.3X2A","T65.3X2D","T65.3X2S","T65.3X3","T65.3X3A"],"inclusionTerms":[],"sibling_titles":{"code":"T65.3X3A","title":"Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, assault, initial encounter","isBillable":true},"useAdditionalCode":["code(s):","for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)","personal history of foreign body fully removed (Z87.821)","to identify any retained foreign body, if applicable (Z18.-)"],"clinicalDefinition":"Toxic effect of cyanides, undetermined, sequela is a billable ICD-10-CM diagnosis code (T65.0X4S). Excludes1 (not coded here): hydrogen cyanide (T57.3-); contact with and (suspected) exposure to toxic substances (Z77.-). Use additional code: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70); personal history of foreign body fully removed (Z87.821); to identify any retained foreign body, if applicable (Z18.-). 7th character: The appropriate 7th character is to be added to each code from category T65.","officialDefinition":"Toxic effect of cyanides, undetermined, sequela is a billable ICD-10-CM diagnosis code (T65.0X4S). Excludes1 (not coded here): hydrogen cyanide (T57.3-); contact with and (suspected) exposure to toxic substances (Z77.-). Use additional code: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70); personal history of foreign body fully removed (Z87.821); to identify any retained foreign body, if applicable (Z18.-). 7th character: The appropriate 7th character is to be added to each code from category T65.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T65"],"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":""}