N06.9
Billable codeIsolated proteinuria with unspecified morphologic lesion
The ICD-10 code for isolated proteinuria with unspecified morphologic lesion is N06.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- N06.0Isolated proteinuria with minor glomerular abnormality
- N06.1Isolated proteinuria with focal and segmental glomerular lesions
- N06.2Isolated proteinuria with diffuse membranous glomerulonephritisnon-billable header
- N06.3Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis
- N06.4Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis
- N06.5Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis
- N06.6Isolated proteinuria with dense deposit disease
- N06.7Isolated proteinuria with diffuse crescentic glomerulonephritis
- N06.8Isolated proteinuria with other morphologic lesion
- N06.AIsolated proteinuria with C3 glomerulonephritis
- N06.9Isolated proteinuria with unspecified morphologic lesion
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 5839Approximate match
Associated MS-DRGs
N06.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.