ICD-10-CM > N00-N99 > N00-N08 > N06 > N06.6 N06.6 Isolated proteinuria with dense deposit disease Billable/Specific Copy Code Copy Description Applicable To Isolated proteinuria with C3 glomerulopathy with dense deposit diseaseIsolated proteinuria with membranoproliferative glomerulonephritis, type 2