ICD-10-CM > N00-N99 > N00-N08 > N04 > N04.A N04.A Nephrotic syndrome with C3 glomerulonephritis Billable/Specific Copy Code Copy Description Applicable To Nephrotic syndrome with C3 glomerulopathy Type 1 Excludes Nephrotic syndrome (with C3 glomerulopathy) with dense deposit disease (N04.6)