{"code":"N13.2","type":"code","title":"Hydronephrosis with renal and ureteral calculous obstruction","codeAlso":[],"includes":["pyelonephritis"],"modern_v":"official26","codeFirst":[],"excludes1":["Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6)","pyeloureteritis cystica (N28.85)"],"excludes2":["calculus of kidney and ureter without hydronephrosis (N20.-)","congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3)","hydronephrosis with ureteropelvic junction obstruction (Q62.11)","obstructive pyelonephritis (N11.1)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["N13","N13.0","N13.1","N13.3","N13.30","N13.39","N13.4","N13.5","N13.6","N13.7","N13.70","N13.71","N13.72","N13.721","N13.722","N13.729","N13.73","N13.731","N13.732","N13.739","N13.8","N13.9"],"inclusionTerms":[],"sibling_titles":{"code":"N13.9","title":"Obstructive and reflux uropathy, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Hydronephrosis with renal and ureteral calculous obstruction is a billable ICD-10-CM diagnosis code (N13.2). Includes: pyelonephritis. Excludes1 (not coded here): Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6); pyeloureteritis cystica (N28.85). Excludes2 (not included here): calculus of kidney and ureter without hydronephrosis (N20.-); congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3); hydronephrosis with ureteropelvic junction obstruction (Q62.11); obstructive pyelonephritis (N11.1).","officialDefinition":"Hydronephrosis with renal and ureteral calculous obstruction is a billable ICD-10-CM diagnosis code (N13.2). Includes: pyelonephritis. Excludes1 (not coded here): Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6); pyeloureteritis cystica (N28.85). Excludes2 (not included here): calculus of kidney and ureter without hydronephrosis (N20.-); congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3); hydronephrosis with ureteropelvic junction obstruction (Q62.11); obstructive pyelonephritis (N11.1).","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":""}