N01: Rapidly progressive nephritic syndrome

Codes under N01 (Rapidly progressive nephritic syndrome). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
N01.0	Rapidly progressive nephritic syndrome with minor glomerular abnormality	✓
N01.1	Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions	✓
N01.2	Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis	✓
N01.3	Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis	✓
N01.4	Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis	✓
N01.5	Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis	✓
N01.6	Rapidly progressive nephritic syndrome with dense deposit disease	✓
N01.7	Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis	✓
N01.8	Rapidly progressive nephritic syndrome with other morphologic changes	✓
N01.9	Rapidly progressive nephritic syndrome with unspecified morphologic changes	✓
N01.A	Rapidly progressive nephritic syndrome with C3 glomerulonephritis	✓

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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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