{"code":"C65.1","type":"code","title":"Malignant neoplasm of right renal pelvis","codeAlso":[],"includes":["malignant neoplasm of pelviureteric junction","malignant neoplasm of renal calyces"],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["C65","C65.2","C65.9"],"inclusionTerms":[],"sibling_titles":{"code":"C65.9","title":"Malignant neoplasm of unspecified renal pelvis","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Malignant neoplasm of right renal pelvis is a billable ICD-10-CM diagnosis code (C65.1). Includes: malignant neoplasm of pelviureteric junction; malignant neoplasm of renal calyces.","officialDefinition":"Malignant neoplasm of right renal pelvis is a billable ICD-10-CM diagnosis code (C65.1). Includes: malignant neoplasm of pelviureteric junction; malignant neoplasm of renal calyces.","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":""}