N06.A Isolated proteinuria with C3 glomerulonephritis

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

Applicable to

• Isolated proteinuria with C3 glomerulopathy

Excludes1 (never code together)

• Isolated proteinuria (with C3 glomerulopathy) with dense deposit disease (N06.6)

Applies from N06 Isolated proteinuria with specified morphological lesion

Excludes1 (never code together)

• Proteinuria not associated with specific morphologic lesions (R80.0)

MS-DRG index

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

Code annotations containing back-references to N06.A

Back-references to N06.A

• Type 1 Excludes: N06.5 Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis ("Isolated proteinuria with C3 glomerulonephritis (N06.A)")
• Type 1 Excludes: N06.5 Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis ("Isolated proteinuria with C3 glomerulopathy (N06.A)")

Back-references to N06

• Type 1 Excludes: R80.0 Isolated proteinuria ("isolated proteinuria with specific morphological lesion (N06.-)")

Diagnosis Index entries for N06.A

• Proteinuria › isolated › with glomerular lesion › C3 › glomerulonephritis
• Proteinuria › isolated › with glomerular lesion › C3 › glomerulopathy

Nearby codes

• N06.5 Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis
• N06.6 Isolated proteinuria with dense deposit disease
• N06.7 Isolated proteinuria with diffuse crescentic glomerulonephritis
• N06.8 Isolated proteinuria with other morphologic lesion
• N06.9 Isolated proteinuria with unspecified morphologic lesion
• N06.A Isolated proteinuria with C3 glomerulonephritis (this code)