N06 Isolated proteinuria with specified morphological lesion

Category / Non-billable header 15 subcodes

Block: Glomerular diseases (N00-N08)

Excludes 1 (cannot be coded together)

  • Proteinuria not associated with specific morphologic lesions (R80.0)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
N06..0 Isolated proteinuria with minor glomerular abnormality Yes
N06..1 Isolated proteinuria with focal and segmental glomerular lesions Yes
N06..2 Isolated proteinuria with diffuse membranous glomerulonephritis No
N06..20 Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified Yes
N06..21 Primary membranous nephropathy with isolated proteinuria Yes
N06..22 Secondary membranous nephropathy with isolated proteinuria Yes
N06..29 Other isolated proteinuria with diffuse membranous glomerulonephritis Yes
N06..3 Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis Yes
N06..4 Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis Yes
N06..5 Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis Yes
N06..6 Isolated proteinuria with dense deposit disease Yes
N06..7 Isolated proteinuria with diffuse crescentic glomerulonephritis Yes
N06..8 Isolated proteinuria with other morphologic lesion Yes
N06..9 Isolated proteinuria with unspecified morphologic lesion Yes
N06..A Isolated proteinuria with C3 glomerulonephritis Yes

Last reviewed: September 2026