N06.1 Isolated proteinuria with focal and segmental glomerular lesions

Billable ICD-10-CM code, FY2026.

Applicable to

• Isolated proteinuria with focal and segmental hyalinosis
• Isolated proteinuria with focal and segmental sclerosis
• Isolated proteinuria with focal glomerulonephritis

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.

Approximate ICD-9-CM (GEMs)

• 583.89 Nephritis and nephropathy, not specified as acute or chronic, with other specified pathological lesion in kidney (approximate)

Code annotations containing back-references to N06.1

Back-references to N06

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

Diagnosis Index entries for N06.1

• Proteinuria › isolated › with glomerular lesion › focal and segmental hyalinosis or sclerosis

Nearby codes

• N06 Isolated proteinuria with specified morphological lesion
• N06.0 Isolated proteinuria with minor glomerular abnormality
• N06.1 Isolated proteinuria with focal and segmental glomerular lesions (this code)
• N06.2 Isolated proteinuria with diffuse membranous glomerulonephritis
• N06.20 Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified
• N06.21 Primary membranous nephropathy with isolated proteinuria
• N06.22 Secondary membranous nephropathy with isolated proteinuria
• N06.29 Other isolated proteinuria with diffuse membranous glomerulonephritis