N01.9
Billable codeRapidly progressive nephritic syndrome with unspecified morphologic changes
The ICD-10 code for rapidly progressive nephritic syndrome with unspecified morphologic changes is N01.9.
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
- N01.0Rapidly progressive nephritic syndrome with minor glomerular abnormality
- N01.1Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions
- N01.2Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis
- N01.3Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
- N01.4Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N01.5Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
- N01.6Rapidly progressive nephritic syndrome with dense deposit disease
- N01.7Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis
- N01.8Rapidly progressive nephritic syndrome with other morphologic changes
- N01.ARapidly progressive nephritic syndrome with C3 glomerulonephritis
- N01.9Rapidly progressive nephritic 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.
- 5804Approximate match
Associated MS-DRGs
N01.9 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.