{"code":"N05.6","type":"code","title":"Unspecified nephritic syndrome with dense deposit disease","codeAlso":["any associated kidney failure (N17-N19)."],"includes":["glomerular disease NOS","glomerulonephritis NOS","nephritis NOS","nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8"],"modern_v":"official26","codeFirst":[],"excludes1":["nephropathy NOS with no stated morphological lesion (N28.9)","renal disease NOS with no stated morphological lesion (N28.9)","tubulo-interstitial nephritis NOS (N12)","hypertensive chronic kidney disease (I12.-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["Unspecified nephritic syndrome with C3 glomerulopathy with dense deposit disease","Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, type 2"],"useAdditionalCode":[],"clinicalDefinition":"Unspecified nephritic syndrome with dense deposit disease is a billable ICD-10-CM diagnosis code (N05.6). Includes: glomerular disease NOS; glomerulonephritis NOS; nephritis NOS; nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8. Inclusion terms: Unspecified nephritic syndrome with C3 glomerulopathy with dense deposit disease; Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, type 2.","officialDefinition":"Unspecified nephritic syndrome with dense deposit disease is a billable ICD-10-CM diagnosis code (N05.6). Includes: glomerular disease NOS; glomerulonephritis NOS; nephritis NOS; nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8. Inclusion terms: Unspecified nephritic syndrome with C3 glomerulopathy with dense deposit disease; Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, type 2. Excludes1 (not coded here): nephropathy NOS with no stated morphological lesion (N28.9); renal disease NOS with no stated morphological lesion (N28.9); tubulo-interstitial nephritis NOS (N12); hypertensive chronic kidney disease (I12.-). Code also: any associated kidney failure (N17-N19)..","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":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}