2023

  1. ICD-10-CM Codes
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  2. N00-N99
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  3. N00-N08
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  4. N05-
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  5. 2023 ICD-10-CM Diagnosis Code N05

2023 ICD-10-CM Diagnosis Code N05

Unspecified nephritic syndrome

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • N05 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM N05 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of N05 - other international versions of ICD-10 N05 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 N05. 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.
  • nephropathy NOS with no stated morphological lesion (
    ICD-10-CM Diagnosis Code N28.9

    Disorder of kidney and ureter, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Nephropathy NOS
    • Renal disease (acute) NOS
    • Renal insufficiency (acute)
    Type 1 Excludes
    • chronic renal insufficiency (N18.9)
    • unspecified nephritic syndrome (N05.-)
    N28.9
    )
  • renal disease NOS with no stated morphological lesion (
    ICD-10-CM Diagnosis Code N28.9

    Disorder of kidney and ureter, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Nephropathy NOS
    • Renal disease (acute) NOS
    • Renal insufficiency (acute)
    Type 1 Excludes
    • chronic renal insufficiency (N18.9)
    • unspecified nephritic syndrome (N05.-)
    N28.9
    )
  • tubulo-interstitial nephritis NOS (
    ICD-10-CM Diagnosis Code N12

    Tubulo-interstitial nephritis, not specified as acute or chronic

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Interstitial nephritis NOS
    • Pyelitis NOS
    • Pyelonephritis NOS
    Type 1 Excludes
    • calculous pyelonephritis (N20.9)
    N12
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • glomerular disease NOS
  • glomerulonephritis NOS
  • nephritis NOS
  • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
The following code(s) above N05 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 N05:
  • N00-N99
    2023 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
    2023 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
Clinical Information
  • A renal disorder characterized by damage in the glomeruli. It may be acute or chronic, focal or diffuse, and it may lead to renal failure. Causes include autoimmune disorders, infections, diabetes, and malignancies.
  • Glomerular disease characterized by an inflammatory reaction, with leukocyte infiltration and cellular proliferation of the glomeruli, or that appears to be the result of immune glomerular injury.
  • Inflammation of any part of the kidney.
  • Inflammation of the kidney. It is a focal or diffuse proliferative or destructive process which may involve the glomerulus, tubule, or interstitial renal tissue. (mesh)
  • Inflammation of the kidney; a focal or diffuse proliferative or destructive process which may involve the glomerulus, tubule, or interstitial renal tissue.
  • Inflammation of the renal glomeruli (kidney glomerulus) that can be classified by the type of glomerular injuries including antibody deposition, complement activation, cellular proliferation, and glomerulosclerosis. These structural and functional abnormalities usually lead to hematuria; proteinuria; hypertension; and renal insufficiency.
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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to N05:
  • Type 1 Excludes: N03
    , N28.9
    , N00
    , N01
    ICD-10-CM Diagnosis Code N03

    Chronic nephritic syndrome

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • chronic glomerular disease
    • chronic glomerulonephritis
    • chronic nephritis
    Type 1 Excludes
    • chronic tubulo-interstitial nephritis (N11.-)
    • diffuse sclerosing glomerulonephritis (N05.8-)
    • nephritic syndrome NOS (N05.-)
    ICD-10-CM Diagnosis Code N28.9

    Disorder of kidney and ureter, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Nephropathy NOS
    • Renal disease (acute) NOS
    • Renal insufficiency (acute)
    Type 1 Excludes
    • chronic renal insufficiency (N18.9)
    • unspecified nephritic syndrome (N05.-)
    ICD-10-CM Diagnosis Code N00

    Acute nephritic syndrome

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • acute glomerular disease
    • acute glomerulonephritis
    • acute nephritis
    Type 1 Excludes
    • acute tubulo-interstitial nephritis (N10)
    • nephritic syndrome NOS (N05.-)
    ICD-10-CM Diagnosis Code N01

    Rapidly progressive nephritic syndrome

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • rapidly progressive glomerular disease
    • rapidly progressive glomerulonephritis
    • rapidly progressive nephritis
    Type 1 Excludes
    • nephritic syndrome NOS (N05.-)
ICD-10-CM Codes Adjacent To N05
N04.1 Nephrotic syndrome with focal and segmental glomerular lesions
N04.2 Nephrotic syndrome with diffuse membranous glomerulonephritis
N04.3 Nephrotic syndrome with diffuse mesangial proliferative glomerulonephritis
N04.4 Nephrotic syndrome with diffuse endocapillary proliferative glomerulonephritis
N04.5 Nephrotic syndrome with diffuse mesangiocapillary glomerulonephritis
N04.6 Nephrotic syndrome with dense deposit disease
N04.7 Nephrotic syndrome with diffuse crescentic glomerulonephritis
N04.8 Nephrotic syndrome with other morphologic changes
N04.9 Nephrotic syndrome with unspecified morphologic changes
N04.A Nephrotic syndrome with C3 glomerulonephritis
N05 Unspecified nephritic syndrome
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

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

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