N04.9
Billable codeNephrotic syndrome with unspecified morphologic changes
The ICD-10 code for nephrotic syndrome with unspecified morphologic changes is N04.9.
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
- N04.0Nephrotic syndrome with minor glomerular abnormality
- N04.1Nephrotic syndrome with focal and segmental glomerular lesions
- N04.2Nephrotic syndrome with diffuse membranous glomerulonephritisnon-billable header
- N04.3Nephrotic syndrome with diffuse mesangial proliferative glomerulonephritis
- N04.4Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N04.5Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis
- N04.6Nephrotic syndrome with dense deposit disease
- N04.7Nephrotic syndrome with diffuse crescentic glomerulonephritis
- N04.8Nephrotic syndrome with other morphologic changes
- N04.ANephrotic syndrome with C3 glomerulonephritis
- N04.BNephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN)non-billable header
- N04.9Nephrotic syndrome with unspecified morphologic changes
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 5819Approximate match
Associated MS-DRGs
N04.9 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.