2020 ICD-10-CM Diagnosis Code N03

Chronic nephritic syndrome

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • N03 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM N03 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N03 - other international versions of ICD-10 N03 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N03. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • chronic tubulo-interstitial nephritis (
    ICD-10-CM Diagnosis Code N11
    • N11 Chronic tubulo-interstitial nephritis
      • N11.0 Nonobstructive reflux-associated chronic pyel...
      • N11.1 Chronic obstructive pyelonephritis
      • N11.8 Other chronic tubulo-interstitial nephritis
      • N11.9 Chronic tubulo-interstitial nephritis, unspec...
    N11.-
    )
  • diffuse sclerosing glomerulonephritis (
    ICD-10-CM Diagnosis Code N05.8

    Unspecified nephritic syndrome with other morphologic changes

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Unspecified nephritic syndrome with proliferative glomerulonephritis NOS
    N05.8-
    )
  • nephritic syndrome NOS (
    ICD-10-CM Diagnosis Code N05
    • N05 Unspecified nephritic syndrome
      • N05.0 Unspecified nephritic syndrome with minor glo...
      • N05.1 Unspecified nephritic syndrome with focal and...
      • N05.2 Unspecified nephritic syndrome with diffuse m...
      • N05.3 Unspecified nephritic syndrome with diffuse m...
      • N05.4 Unspecified nephritic syndrome with diffuse e...
      • N05.5 Unspecified nephritic syndrome with diffuse m...
      • N05.6 Unspecified nephritic syndrome with dense dep...
      • N05.7 Unspecified nephritic syndrome with diffuse c...
      • N05.8 Unspecified nephritic syndrome with other mor...
      • N05.9 Unspecified nephritic syndrome with unspecifi...
    N05.-
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • chronic glomerular disease
  • chronic glomerulonephritis
  • chronic nephritis
The following code(s) above N03 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N03:
  • N00-N99
    2020 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the genitourinary system
  • N00-N08
    2020 ICD-10-CM Range N00-N08

    Glomerular diseases

    Code Also
    • any associated kidney failure (N17-N19).
    Type 1 Excludes
    • hypertensive chronic kidney disease (I12.-)
    Glomerular diseases
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To N03
N02.0 Recurrent and persistent hematuria with minor glomerular abnormality
N02.1 Recurrent and persistent hematuria with focal and segmental glomerular lesions
N02.2 Recurrent and persistent hematuria with diffuse membranous glomerulonephritis
N02.3 Recurrent and persistent hematuria with diffuse mesangial proliferative glomerulonephritis
N02.4 Recurrent and persistent hematuria with diffuse endocapillary proliferative glomerulonephritis
N02.5 Recurrent and persistent hematuria with diffuse mesangiocapillary glomerulonephritis
N02.6 Recurrent and persistent hematuria with dense deposit disease
N02.7 Recurrent and persistent hematuria with diffuse crescentic glomerulonephritis
N02.8 Recurrent and persistent hematuria with other morphologic changes
N02.9 Recurrent and persistent hematuria with unspecified morphologic changes
N03 Chronic nephritic syndrome
N03.0 Chronic nephritic syndrome with minor glomerular abnormality
N03.1 Chronic nephritic syndrome with focal and segmental glomerular lesions
N03.2 Chronic nephritic syndrome with diffuse membranous glomerulonephritis
N03.3 Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
N03.4 Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
N03.5 Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
N03.6 Chronic nephritic syndrome with dense deposit disease
N03.7 Chronic nephritic syndrome with diffuse crescentic glomerulonephritis
N03.8 Chronic nephritic syndrome with other morphologic changes
N03.9 Chronic nephritic syndrome with unspecified morphologic changes

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.