N06: Isolated proteinuria with specified morphological lesion
Codes under N06 (Isolated proteinuria with specified morphological lesion). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| N06.0 | Isolated proteinuria with minor glomerular abnormality | ✓ |
| N06.0 | Isolated proteinuria with minor glomerular abnormality | ✓ |
| N06.1 | Isolated proteinuria with focal and segmental glomerular lesions | ✓ |
| N06.1 | Isolated proteinuria with focal and segmental glomerular lesions | ✓ |
| N06.2 | Isolated proteinuria with diffuse membranous glomerulonephritis | — |
| N06.2 | Isolated proteinuria with diffuse membranous glomerulonephritis | — |
| N06.3 | Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis | ✓ |
| N06.3 | Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis | ✓ |
| N06.4 | Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis | ✓ |
| N06.4 | Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis | ✓ |
| N06.5 | Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis | ✓ |
| N06.5 | Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis | ✓ |
| N06.6 | Isolated proteinuria with dense deposit disease | ✓ |
| N06.6 | Isolated proteinuria with dense deposit disease | ✓ |
| N06.7 | Isolated proteinuria with diffuse crescentic glomerulonephritis | ✓ |
| N06.7 | Isolated proteinuria with diffuse crescentic glomerulonephritis | ✓ |
| N06.8 | Isolated proteinuria with other morphologic lesion | ✓ |
| N06.8 | Isolated proteinuria with other morphologic lesion | ✓ |
| N06.9 | Isolated proteinuria with unspecified morphologic lesion | ✓ |
| N06.9 | Isolated proteinuria with unspecified morphologic lesion | ✓ |
| N06.20 | Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified | ✓ |
| N06.20 | Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified | ✓ |
| N06.21 | Primary membranous nephropathy with isolated proteinuria | ✓ |
| N06.21 | Primary membranous nephropathy with isolated proteinuria | ✓ |
| N06.22 | Secondary membranous nephropathy with isolated proteinuria | ✓ |
| N06.22 | Secondary membranous nephropathy with isolated proteinuria | ✓ |
| N06.29 | Other isolated proteinuria with diffuse membranous glomerulonephritis | ✓ |
| N06.29 | Other isolated proteinuria with diffuse membranous glomerulonephritis | ✓ |
| N06.A | Isolated proteinuria with C3 glomerulonephritis | ✓ |
| N06.A | Isolated proteinuria with C3 glomerulonephritis | ✓ |
Frequently asked questions
What is ICD-10-CM code N06?
N06 is an ICD-10-CM category covering Isolated proteinuria with specified morphological lesion. It contains 30 more specific diagnosis codes, 28 of which are billable.
Is N06 a billable code?
No — N06 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example N06.0 — Isolated proteinuria with minor glomerular abnormality). 28 of the 30 codes under N06 are billable.
What codes fall under N06?
N06 includes N06.0, N06.0, N06.1, N06.1, N06.2, plus 25 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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