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 N05.9

2023 ICD-10-CM Diagnosis Code N05.9

Unspecified nephritic syndrome with unspecified morphologic changes

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • N05.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Unsp nephritic syndrome with unspecified morphologic changes
  • The 2023 edition of ICD-10-CM N05.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of N05.9 - other international versions of ICD-10 N05.9 may differ.
The following code(s) above N05.9 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 N05.9:
  • 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
  • N05
    ICD-10-CM Diagnosis Code N05

    Unspecified nephritic syndrome

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • glomerular disease NOS
    • glomerulonephritis NOS
    • nephritis NOS
    • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8
    Type 1 Excludes
    • nephropathy NOS with no stated morphological lesion (N28.9)
    • renal disease NOS with no stated morphological lesion (N28.9)
    • tubulo-interstitial nephritis NOS (N12)
    Unspecified nephritic syndrome
Approximate Synonyms
  • Chronic gout due to kidney disease
  • Chronic gout due to renal impairment
  • Chronic gout of ankle due to renal impairment
  • Chronic gout of ankle without tophus due to renal impairment
  • Chronic gout of elbow due to renal impairment
  • Chronic gout of elbow without tophus due to renal impairment
  • Chronic gout of hand due to renal impairment
  • Chronic gout of hand without tophus due to renal impairment
  • Chronic gout of hip due to renal impairment
  • Chronic gout of hip without tophus due to renal impairment
  • Chronic gout of knee due to renal impairment
  • Chronic gout of knee without tophus due to renal impairment
  • Chronic gout of left ankle due to renal impairment
  • Chronic gout of left ankle without tophus due to renal impairment
  • Chronic gout of left elbow due to renal impairment
  • Chronic gout of left elbow without tophus due to renal impairment
  • Chronic gout of left hand due to renal impairment
  • Chronic gout of left hand without tophus due to renal impairment
  • Chronic gout of left hip due to renal impairment
  • Chronic gout of left hip without tophus due to renal impairment
  • Chronic gout of left knee due to renal impairment
  • Chronic gout of left knee without tophus due to renal impairment
  • Chronic gout of left shoulder due to renal impairment
  • Chronic gout of left shoulder without tophus due to renal impairment
  • Chronic gout of left wrist due to renal impairment
  • Chronic gout of left wrist without tophus due to renal impairment
  • Chronic gout of multiple sites due to renal impairm
  • Chronic gout of multiple sites due to renal impairme
  • Chronic gout of multiple sites without tophus due to renal impairment
  • Chronic gout of right ankle and foot without tophus due to renal impairment
  • Chronic gout of right ankle due to renal impairment
  • Chronic gout of right elbow due to renal impairment
  • Chronic gout of right elbow without tophus due to renal impairment
  • Chronic gout of right hand due to renal impairment
  • Chronic gout of right hand without tophus due to renal impairment
  • Chronic gout of right hip due to renal impairment
  • Chronic gout of right hip without tophus due to renal impairment
  • Chronic gout of right knee due to renal impairment
  • Chronic gout of right knee without tophus due to renal impairment
  • Chronic gout of right shoulder due to renal impairment
  • Chronic gout of right shoulder without tophus due to renal impairment
  • Chronic gout of right wrist due to renal impairment
  • Chronic gout of right wrist without tophus due to renal impairment
  • Chronic gout of shoulder due to renal impairment
  • Chronic gout of shoulder without tophus due to renal impairment
  • Chronic gout of vertebra due to renal impairment
  • Chronic gout of vertebra without tophus due to renal impairment
  • Chronic gout of wrist due to renal impairment
  • Chronic gout of wrist without tophus due to renal impairment
  • Chronic gout without tophus due to renal impairment
  • Chronic tophaceous gout due to renal impairment
  • Chronic tophaceous gout of ankle due to renal impairment
  • Chronic tophaceous gout of elbow due to renal impairment
  • Chronic tophaceous gout of hand due to renal impairment
  • Chronic tophaceous gout of hip due to renal impairment
  • Chronic tophaceous gout of knee due to renal impairment
  • Chronic tophaceous gout of left ankle foot due to renal impairment
  • Chronic tophaceous gout of left elbow due to renal impairment
  • Chronic tophaceous gout of left hand due to renal impairment
  • Chronic tophaceous gout of left hip due to renal impairment
  • Chronic tophaceous gout of left knee due to renal impairment
  • Chronic tophaceous gout of left shoulder due to renal impairment
  • Chronic tophaceous gout of left wrist due to renal impairment
  • Chronic tophaceous gout of multiple sites due to renal impairment
  • Chronic tophaceous gout of right ankle and foot due to renal impairment
  • Chronic tophaceous gout of right elbow due to renal impairment
  • Chronic tophaceous gout of right hand due to renal impairment
  • Chronic tophaceous gout of right hip due to renal impairment
  • Chronic tophaceous gout of right knee due to renal impairment
  • Chronic tophaceous gout of right shoulder due to renal impairment
  • Chronic tophaceous gout of right wrist due to renal impairment
  • Chronic tophaceous gout of shoulder due to renal impairment
  • Chronic tophaceous gout of vertebra due to renal impairment
  • Chronic tophaceous gout of wrist due to renal impairment
  • Drug-induced nephritis
  • Glomerular disease
  • Glomerulitis
  • Glomerulonephritis
  • Glomerulonephritis (gn), idiopathic
  • Glomerulonephritis due to antineutrophil cytoplasmic antibody
  • Glomerulonephritis due to vasculitis
  • Gout due to renal impairment
  • Gout of ankle due to renal impairment
  • Gout of ankle secondary to renal impairment
  • Gout of elbow due to renal impairment
  • Gout of hand due to renal impairment
  • Gout of hip due to renal impairment
  • Gout of knee due to renal impairment
  • Gout of left ankle due to renal impairment
  • Gout of left ankle secondary to renal impairment
  • Gout of left elbow due to renal impairment
  • Gout of left hand due to renal impairment
  • Gout of left hip due to renal impairment
  • Gout of left knee due to renal impairment
  • Gout of left shoulder due to renal impairment
  • Gout of left wrist due to renal impairment
  • Gout of multiple sites due to renal impairment
  • Gout of right ankle due to renal impairment
  • Gout of right ankle secondary to renal impairment
  • Gout of right elbow due to renal impairment
  • Gout of right hand due to renal impairment
  • Gout of right hip due to renal impairment
  • Gout of right knee due to renal impairment
  • Gout of right shoulder due to renal impairment
  • Gout of right wrist due to renal impairment
  • Gout of shoulder due to renal impairment
  • Gout of vertebra due to renal impairment
  • Gout of wrist due to renal impairment
  • Gout secondary to renal impairment
  • Idiopathic glomerulonephritis
  • Nephritic syndrome
  • Nephritis
  • Nephritis, drug induced
  • Radiation nephritis
  • Renal glomerular disease
  • Scleroderma co-occurrent and due to glomerulonephritis
  • Scleroderma with glomerulonephritis
  • Vasculitis with glomerulonephritis
  • Vasculitis, positive anca, with glomerulonephritis
ICD-10-CM N05.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 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

Convert N05.9 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to N05.9:

ICD-10-CM Codes Adjacent To N05.9
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
N05.A Unspecified nephritic syndrome with C3 glomerulonephritis
N06 Isolated proteinuria with specified morphological lesion
N06.0 Isolated proteinuria with minor glomerular abnormality
N06.1 Isolated proteinuria with focal and segmental glomerular lesions
N06.2 Isolated proteinuria with diffuse membranous glomerulonephritis
N06.3 Isolated proteinuria with diffuse mesangial proliferative glomerulonephritis
N06.4 Isolated proteinuria with diffuse endocapillary proliferative glomerulonephritis
N06.5 Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis
N06.6 Isolated proteinuria with dense deposit disease
N06.7 Isolated proteinuria with diffuse crescentic glomerulonephritis

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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