ICD-10-CM N00: Acute nephritic syndrome

ICD-10-CM Diagnosis Code (2025)

Official Description for N00

Acute nephritic syndrome

Coding Notes & Guidelines for N00

Includes Notes
  • acute glomerular disease
  • acute glomerulonephritis
  • acute nephritis
Excludes1: Not Coded Here
  • acute tubulo-interstitial nephritis (N10)
  • nephritic syndrome NOS (N05.-)
Excludes1: Not Coded Here
  • Acute nephritic syndrome with C3 glomerulonephritis (N00.A)
  • Acute nephritic syndrome with C3 glomerulopathy (N00.A)
Excludes1: Not Coded Here

Acute nephritic syndrome (with C3 glomerulopathy) with dense deposit disease (N00.6)

Inclusion Terms

Acute nephritic syndrome with minimal change lesion

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

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

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

Acute nephritic syndrome with extracapillary glomerulonephritis

Inclusion Terms

Acute nephritic syndrome with proliferative glomerulonephritis NOS

Inclusion Terms

Acute nephritic syndrome with C3 glomerulopathy, NOS

Child Codes (More Specific Codes for N00):

N00.0 - Acute nephritic syndrome with minor glomerular abnormality N00.1 - Acute nephritic syndrome with focal and segmental glomerular lesions N00.2 - Acute nephritic syndrome with diffuse membranous glomerulonephritis N00.3 - Acute nephritic syndrome with diffuse mesangial proliferative glomerulonephritis N00.4 - Acute nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis N00.5 - Acute nephritic syndrome with diffuse mesangiocapillary glomerulonephritis N00.6 - Acute nephritic syndrome with dense deposit disease N00.7 - Acute nephritic syndrome with diffuse crescentic glomerulonephritis N00.8 - Acute nephritic syndrome with other morphologic changes N00.9 - Acute nephritic syndrome with unspecified morphologic changes N00.A - Acute nephritic syndrome with C3 glomerulonephritis

About ICD-10-CM Code N00 (Acute nephritic syndrome)

ICD-10-CM code N00 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 N00 became effective on October 1, 2024.

This page provides detailed information about N00 - Acute 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 Acute nephritic syndrome.