ICD-10-CM N05: Unspecified nephritic syndrome

ICD-10-CM Diagnosis Code (2025)

Official Description for N05

Unspecified nephritic syndrome

Coding Notes & Guidelines for N05

Includes Notes
  • glomerular disease NOS
  • glomerulonephritis NOS
  • nephritis NOS
  • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
Excludes1: Not Coded Here
  • nephropathy NOS with no stated morphological lesion (N28.9)
  • renal disease NOS with no stated morphological lesion (N28.9)
  • tubulo-interstitial nephritis NOS (N12)
Excludes1: Not Coded Here
  • Unspecified nephritic syndrome with C3 glomerulonephritis (N05.A)
  • Unspecified nephritic syndrome with C3 glomerulopathy (N05.A)
Excludes1: Not Coded Here

Unspecified nephritic syndrome (with C3 glomerulopathy) with dense deposit disease (N05.6)

Inclusion Terms

Unspecified nephritic syndrome with minimal change lesion

Inclusion Terms
  • Unspecified nephritic syndrome with focal and segmental hyalinosis
  • Unspecified nephritic syndrome with focal and segmental sclerosis
  • Unspecified nephritic syndrome with focal glomerulonephritis
Inclusion Terms

Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, types 1 and 3, or NOS

Inclusion Terms
  • Unspecified nephritic syndrome with C3 glomerulopathy with dense deposit disease
  • Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, type 2
Inclusion Terms

Unspecified nephritic syndrome with extracapillary glomerulonephritis

Inclusion Terms

Unspecified nephritic syndrome with proliferative glomerulonephritis NOS

Inclusion Terms

Unspecified nephritic syndrome with C3 glomerulopathy

Child Codes (More Specific Codes for N05):

N05.0 - Unspecified nephritic syndrome with minor glomerular abnormality N05.1 - Unspecified nephritic syndrome with focal and segmental glomerular lesions N05.2 - Unspecified nephritic syndrome with diffuse membranous glomerulonephritis N05.3 - Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis N05.4 - Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis N05.5 - Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis N05.6 - Unspecified nephritic syndrome with dense deposit disease N05.7 - Unspecified nephritic syndrome with diffuse crescentic glomerulonephritis N05.8 - Unspecified nephritic syndrome with other morphologic changes N05.9 - Unspecified nephritic syndrome with unspecified morphologic changes N05.A - Unspecified nephritic syndrome with C3 glomerulonephritis

About ICD-10-CM Code N05 (Unspecified nephritic syndrome)

ICD-10-CM code N05 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM N05 became effective on October 1, 2024.

This page provides detailed information about N05 - Unspecified nephritic syndrome. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Unspecified nephritic syndrome.