{"code":"C54.0","type":"code","title":"Malignant neoplasm of isthmus uteri","codeAlso":[],"includes":["malignant neoplasm of skin of female genital organs"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["C54","C54.1","C54.2","C54.3","C54.8","C54.9"],"inclusionTerms":["Malignant neoplasm of lower uterine segment"],"sibling_titles":{"code":"C54.9","title":"Malignant neoplasm of corpus uteri, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Malignant neoplasm of isthmus uteri is a billable ICD-10-CM diagnosis code (C54.0). Includes: malignant neoplasm of skin of female genital organs. Inclusion terms: Malignant neoplasm of lower uterine segment.","officialDefinition":"Malignant neoplasm of isthmus uteri is a billable ICD-10-CM diagnosis code (C54.0). Includes: malignant neoplasm of skin of female genital organs. Inclusion terms: Malignant neoplasm of lower uterine segment.","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":""}