2020 ICD-10-CM Diagnosis Code N00.9

Acute nephritic syndrome with unspecified morphologic changes

    2016 2017 2018 2019 2020 Billable/Specific Code
  • N00.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Acute nephritic syndrome with unsp morphologic changes
  • The 2020 edition of ICD-10-CM N00.9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N00.9 - other international versions of ICD-10 N00.9 may differ.
The following code(s) above N00.9 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 N00.9:
  • 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
  • N00
    ICD-10-CM Diagnosis Code N00

    Acute nephritic syndrome

      2016 2017 2018 2019 2020 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.-)
    Acute nephritic syndrome
Approximate Synonyms
  • Acute benign hemorrhagic glomerulonephritic syndrome
  • Acute benign hemorrhagic glomerulonephritis
  • Acute glomerulonephritis
  • Acute nephritis
  • Acute post-streptococcal glomerulonephritis
  • Acute poststreptococcal glomerulonephritis
  • Nephrotoxic serum nephritis
ICD-10-CM N00.9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 698 Other kidney and urinary tract diagnoses with mcc
  • 699 Other kidney and urinary tract diagnoses with cc
  • 700 Other kidney and urinary tract diagnoses without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert N00.9 to ICD-9-CM

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

Diagnosis Index entries containing back-references to N00.9:
  • Glomerulonephritis N05.9
    - see also Nephritis
    ICD-10-CM Diagnosis Code N05.9

    Unspecified nephritic syndrome with unspecified morphologic changes

      2016 2017 2018 2019 2020 Billable/Specific Code
    • poststreptococcal NEC N05.9
      ICD-10-CM Diagnosis Code N05.9

      Unspecified nephritic syndrome with unspecified morphologic changes

        2016 2017 2018 2019 2020 Billable/Specific Code
      • acute N00.9
    • acute N00.9
  • Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic) N05.9
    ICD-10-CM Diagnosis Code N05.9

    Unspecified nephritic syndrome with unspecified morphologic changes

      2016 2017 2018 2019 2020 Billable/Specific Code
    • acute N00.9
    • poststreptococcal N05.9
      ICD-10-CM Diagnosis Code N05.9

      Unspecified nephritic syndrome with unspecified morphologic changes

        2016 2017 2018 2019 2020 Billable/Specific Code
      • acute N00.9
    • croupous N00.9
    • war N00.9
  • Syndrome - see also Disease

ICD-10-CM Codes Adjacent To N00.9
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
N01 Rapidly progressive nephritic syndrome
N01.0 Rapidly progressive nephritic syndrome with minor glomerular abnormality
N01.1 Rapidly progressive nephritic syndrome with focal and segmental glomerular lesions
N01.2 Rapidly progressive nephritic syndrome with diffuse membranous glomerulonephritis
N01.3 Rapidly progressive nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
N01.4 Rapidly progressive nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
N01.5 Rapidly progressive nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
N01.6 Rapidly progressive nephritic syndrome with dense deposit disease
N01.7 Rapidly progressive nephritic syndrome with diffuse crescentic glomerulonephritis
N01.8 Rapidly progressive nephritic syndrome with other morphologic changes

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