ICD-10-CM codes starting with N

1,047 codes, page 1 of 11. Every code ever valid for billing is listed, including those now retired.

Code	Description	Status
N00	Acute nephritic syndrome	Not billable
N00.0	Acute nephritic syndrome with minor glomerular abnormality	Valid
N00.1	Acute nephritic syndrome with focal and segmental glomerular lesions	Valid
N00.2	Acute nephritic syndrome with diffuse membranous glomerulonephritis	Valid
N00.3	Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis	Valid
N00.4	Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis	Valid
N00.5	Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis	Valid
N00.6	Acute nephritic syndrome with dense deposit disease	Valid
N00.7	Acute nephritic syndrome with diffuse crescentic glomerulonephritis	Valid
N00.8	Acute nephritic syndrome with other morphologic changes	Valid
N00.9	Acute nephritic syndrome with unspecified morphologic changes	Valid
N00.A	Acute nephritic syndrome with C3 glomerulonephritis	Valid
N00.B	Acute nephritic syndrome with immune complex membranoproliferative glomerulonephritis	Not billable
N00.B1	Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN)	Valid
N00.B2	Acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)	Valid
N01	Rapidly progressive nephritic syndrome	Not billable
N01.0	Rapidly progressive nephritic syndrome with minor glomerular abnormality	Valid
N01.1	Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions	Valid
N01.2	Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis	Valid
N01.3	Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis	Valid
N01.4	Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis	Valid
N01.5	Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis	Valid
N01.6	Rapidly progressive nephritic syndrome with dense deposit disease	Valid
N01.7	Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis	Valid
N01.8	Rapidly progressive nephritic syndrome with other morphologic changes	Valid
N01.9	Rapidly progressive nephritic syndrome with unspecified morphologic changes	Valid
N01.A	Rapidly progressive nephritic syndrome with C3 glomerulonephritis	Valid
N02	Recurrent and persistent hematuria	Not billable
N02.0	Recurrent and persistent hematuria with minor glomerular abnormality	Valid
N02.1	Recurrent and persistent hematuria with focal and segmental glomerular lesions	Valid
N02.2	Recurrent and persistent hematuria with diffuse membranous glomerulonephritis	Valid
N02.3	Recurrent and persistent hematuria with diffuse mesangial proliferative glomerulonephritis	Valid
N02.4	Recurrent and persistent hematuria with diffuse endocapillary proliferative glomerulonephritis	Valid
N02.5	Recurrent and persistent hematuria with diffuse mesangiocapillary glomerulonephritis	Valid
N02.6	Recurrent and persistent hematuria with dense deposit disease	Valid
N02.7	Recurrent and persistent hematuria with diffuse crescentic glomerulonephritis	Valid
N02.8	Recurrent and persistent hematuria with other morphologic changes	Valid
N02.9	Recurrent and persistent hematuria with unspecified morphologic changes	Valid
N02.A	Recurrent and persistent hematuria with C3 glomerulonephritis	Valid
N02.B	Recurrent and persistent immunoglobulin A nephropathy	Not billable
N02.B1	Recurrent and persistent immunoglobulin A nephropathy with glomerular lesion	Valid
N02.B2	Recurrent and persistent immunoglobulin A nephropathy with focal and segmental glomerular lesion	Valid
N02.B3	Recurrent and persistent immunoglobulin A nephropathy with diffuse membranoproliferative glomerulonephritis	Valid
N02.B4	Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis	Valid
N02.B5	Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis	Valid
N02.B6	Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangiocapillary glomerulonephritis	Valid
N02.B9	Other recurrent and persistent immunoglobulin A nephropathy	Valid
N03	Chronic nephritic syndrome	Not billable
N03.0	Chronic nephritic syndrome with minor glomerular abnormality	Valid
N03.1	Chronic nephritic syndrome with focal and segmental glomerular lesions	Valid
N03.2	Chronic nephritic syndrome with diffuse membranous glomerulonephritis	Valid
N03.3	Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritis	Valid
N03.4	Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis	Valid
N03.5	Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritis	Valid
N03.6	Chronic nephritic syndrome with dense deposit disease	Valid
N03.7	Chronic nephritic syndrome with diffuse crescentic glomerulonephritis	Valid
N03.8	Chronic nephritic syndrome with other morphologic changes	Valid
N03.9	Chronic nephritic syndrome with unspecified morphologic changes	Valid
N03.A	Chronic nephritic syndrome with C3 glomerulonephritis	Valid
N04	Nephrotic syndrome	Not billable
N04.0	Nephrotic syndrome with minor glomerular abnormality	Valid
N04.1	Nephrotic syndrome with focal and segmental glomerular lesions	Valid
N04.2	Nephrotic syndrome with diffuse membranous glomerulonephritis	Not billable
N04.20	Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified	Valid
N04.21	Primary membranous nephropathy with nephrotic syndrome	Valid
N04.22	Secondary membranous nephropathy with nephrotic syndrome	Valid
N04.29	Other nephrotic syndrome with diffuse membranous glomerulonephritis	Valid
N04.3	Nephrotic syndrome with diffuse mesangial proliferative glomerulonephritis	Valid
N04.4	Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis	Valid
N04.5	Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis	Valid
N04.6	Nephrotic syndrome with dense deposit disease	Valid
N04.7	Nephrotic syndrome with diffuse crescentic glomerulonephritis	Valid
N04.8	Nephrotic syndrome with other morphologic changes	Valid
N04.9	Nephrotic syndrome with unspecified morphologic changes	Valid
N04.A	Nephrotic syndrome with C3 glomerulonephritis	Valid
N04.B	Nephrotic syndrome with immune complex membranoproliferative glomerulonephritis (IC-MPGN)	Not billable
N04.B1	Nephrotic syndrome with idiopathic immune complex membranoproliferative glomerulonephritis (IC-MPGN)	Valid
N04.B2	Nephrotic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)	Valid
N05	Unspecified nephritic syndrome	Not billable
N05.0	Unspecified nephritic syndrome with minor glomerular abnormality	Valid
N05.1	Unspecified nephritic syndrome with focal and segmental glomerular lesions	Valid
N05.2	Unspecified nephritic syndrome with diffuse membranous glomerulonephritis	Valid
N05.3	Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis	Valid
N05.4	Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis	Valid
N05.5	Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis	Valid
N05.6	Unspecified nephritic syndrome with dense deposit disease	Valid
N05.7	Unspecified nephritic syndrome with diffuse crescentic glomerulonephritis	Valid
N05.8	Unspecified nephritic syndrome with other morphologic changes	Valid
N05.9	Unspecified nephritic syndrome with unspecified morphologic changes	Valid
N05.A	Unspecified nephritic syndrome with C3 glomerulonephritis	Valid
N06	Isolated proteinuria with specified morphological lesion	Not billable
N06.0	Isolated proteinuria with minor glomerular abnormality	Valid
N06.1	Isolated proteinuria with focal and segmental glomerular lesions	Valid
N06.2	Isolated proteinuria with diffuse membranous glomerulonephritis	Not billable
N06.20	Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified	Valid
N06.21	Primary membranous nephropathy with isolated proteinuria	Valid
N06.22	Secondary membranous nephropathy with isolated proteinuria	Valid
N06.29	Other isolated proteinuria with diffuse membranous glomerulonephritis	Valid
N06.3	Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis	Valid
N06.4	Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis	Valid