{"code":"I41","type":"category","title":"Myocarditis in diseases classified elsewhere","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["underlying disease, such as:","typhus (A75.0-A75.9)"],"excludes1":["myocarditis (in):","Chagas' disease (chronic) (B57.2)","acute (B57.0)","coxsackie (virus) infection (B33.22)","diphtheritic (A36.81)","gonococcal (A54.83)","influenzal (J09.X9, J10.82, J11.82)","meningococcal (A39.52)","mumps (B26.82)","rheumatoid arthritis (M05.31)","sarcoid (D86.85)","syphilis (A52.06)","toxoplasmosis (B58.81)","tuberculous (A18.84)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Myocarditis in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (I41). Excludes1 (not coded here): myocarditis (in):; Chagas' disease (chronic) (B57.2); acute (B57.0); coxsackie (virus) infection (B33.22); diphtheritic (A36.81); gonococcal (A54.83); influenzal (J09.X9, J10.82, J11.82); meningococcal (A39.52); mumps (B26.82); rheumatoid arthritis (M05.31); sarcoid (D86.85); syphilis (A52.06); toxoplasmosis (B58.81); tuberculous (A18.84). Code first: underlying disease, such as:; typhus (A75.0-A75.9).","officialDefinition":"Myocarditis in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (I41). Excludes1 (not coded here): myocarditis (in):; Chagas' disease (chronic) (B57.2); acute (B57.0); coxsackie (virus) infection (B33.22); diphtheritic (A36.81); gonococcal (A54.83); influenzal (J09.X9, J10.82, J11.82); meningococcal (A39.52); mumps (B26.82); rheumatoid arthritis (M05.31); sarcoid (D86.85); syphilis (A52.06); toxoplasmosis (B58.81); tuberculous (A18.84). Code first: underlying disease, such as:; typhus (A75.0-A75.9).","seventhCharacterInstructions":[],"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":""}