{"code":"I50.20","type":"code","title":"Unspecified systolic (congestive) heart failure","codeAlso":["end stage heart failure, if applicable (I50.84)"],"includes":[],"modern_v":"official26","codeFirst":["heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)","heart failure due to hypertension (I11.0)","heart failure due to hypertension with chronic kidney disease (I13.-)","heart failure following surgery (I97.13-)","obstetric surgery and procedures (O75.4)","rheumatic heart failure (I09.81)"],"excludes1":["combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)"],"excludes2":["cardiac arrest (I46.-)","neonatal cardiac failure (P29.0)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["I50","I50.1","I50.2","I50.21","I50.22","I50.23","I50.3","I50.30","I50.31","I50.32","I50.33","I50.4","I50.40","I50.41","I50.42","I50.43","I50.8","I50.81","I50.810","I50.811","I50.812","I50.813","I50.814","I50.82","I50.83","I50.84","I50.89","I50.9"],"inclusionTerms":[],"sibling_titles":{"code":"I50.9","title":"Heart failure, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Unspecified systolic (congestive) heart failure is a billable ICD-10-CM diagnosis code (I50.20). Excludes1 (not coded here): combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-). Excludes2 (not included here): cardiac arrest (I46.-); neonatal cardiac failure (P29.0). Code first: heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8); heart failure due to hypertension (I11.","officialDefinition":"Unspecified systolic (congestive) heart failure is a billable ICD-10-CM diagnosis code (I50.20). Excludes1 (not coded here): combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-). Excludes2 (not included here): cardiac arrest (I46.-); neonatal cardiac failure (P29.0). Code first: heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8); heart failure due to hypertension (I11.0); heart failure due to hypertension with chronic kidney disease (I13.-); heart failure following surgery (I97.13-); obstetric surgery and procedures (O75.4); rheumatic heart failure (I09.81). Code also: end stage heart failure, if applicable (I50.84).","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":""}