N02.B4 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from N02 Recurrent and persistent hematuria

Excludes1 (never code together)

• acute cystitis with hematuria (N30.01)
• hematuria NOS (R31.9)
• hematuria not associated with specified morphologic lesions (R31.-)

MS-DRG index

Defines the logic of DRG(s) 698-700 in MDC 11.

Code annotations containing back-references to N02.B4

Back-references to N02

• Type 2 Excludes: N39 Other disorders of urinary system ("recurrent or persistent hematuria (N02.-)")
• Type 2 Excludes: N39 Other disorders of urinary system ("recurrent or persistent hematuria with specified morphological lesion (N02.-)")
• Type 1 Excludes: R31 Hematuria ("recurrent and persistent hematuria in glomerular diseases (N02.-)")

Diagnosis Index entries for N02.B4

• Nephropathy › IgA › with › glomerulonephritis › membranous (diffuse)

Nearby codes

• N02.A Recurrent and persistent hematuria with C3 glomerulonephritis
• N02.B Recurrent and persistent immunoglobulin A nephropathy
• N02.B1 Recurrent and persistent immunoglobulin A nephropathy with glomerular lesion
• N02.B2 Recurrent and persistent immunoglobulin A nephropathy with focal and segmental glomerular lesion
• N02.B3 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranoproliferative glomerulonephritis
• N02.B4 Recurrent and persistent immunoglobulin A nephropathy with diffuse membranous glomerulonephritis (this code)
• N02.B5 Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis
• N02.B6 Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangiocapillary glomerulonephritis
• N02.B9 Other recurrent and persistent immunoglobulin A nephropathy