N00.A
Billable codeAcute nephritic syndrome with C3 glomerulonephritis
The ICD-10 code for acute nephritic syndrome with c3 glomerulonephritis is N00.A.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- Acute nephritic syndrome (with C3 glomerulopathy) with dense deposit disease (N00.6)
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Acute nephritic syndrome with C3 glomerulopathy, NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- N00.0Acute nephritic syndrome with minor glomerular abnormality
- N00.1Acute nephritic syndrome with focal and segmental glomerular lesions
- N00.2Acute nephritic syndrome with diffuse membranous glomerulonephritis
- N00.3Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
- N00.4Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N00.5Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
- N00.6Acute nephritic syndrome with dense deposit disease
- N00.7Acute nephritic syndrome with diffuse crescentic glomerulonephritis
- N00.8Acute nephritic syndrome with other morphologic changes
- N00.9Acute nephritic syndrome with unspecified morphologic changes
- N00.BAcute nephritic syndrome with immune complex membranoproliferative glomerulonephritisnon-billable header
- N00.AAcute nephritic syndrome with C3 glomerulonephritis
Associated MS-DRGs
N00.A 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.