Acute nephritic syndrome (N00)

Browse all the diagnosis codes used for acute nephritic syndrome (n00). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Instructional Notations


This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

  • acute glomerular disease
  • acute glomerulonephritis
  • acute nephritis

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • acute tubulo-interstitial nephritis N10
  • nephritic syndrome NOS N05
  • Diseases of the genitourinary system (N00–N99)

    • Glomerular diseases (N00-N08)

        • Acute nephritic syndrome (N00)

        • N00 Acute nephritic syndrome
        • 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