2017/18 ICD-10-CM Diagnosis Code N28.9

Disorder of kidney and ureter, unspecified

Applicable To
  • Nephropathy NOS
  • Renal disease (acute) NOS
  • Renal insufficiency (acute)
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 N28.9. 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 renal insufficiency (
    ICD-10-CM Diagnosis Code N18.9

    Chronic kidney disease, unspecified

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Chronic renal disease
    • Chronic renal failure NOS
    • Chronic renal insufficiency
    • Chronic uremia NOS
    • Diffuse sclerosing glomerulonephritis NOS
    N18.9
    )
  • unspecified nephritic syndrome (
    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.-
    )
The following code(s) above N28.9 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 N28.9:
  • N00-N99
    2018 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
  • N25-N29
    2018 ICD-10-CM Range N25-N29

    Other disorders of kidney and ureter

    Type 2 Excludes
    • disorders of kidney and ureter with urolithiasis (N20-N23)
    Other disorders of kidney and ureter
Approximate Synonyms Clinical Information ICD-10-CM N28.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert N28.9 to ICD-9-CM

Code History
Code annotations containing back-references to N28.9:

Diagnosis Index entries containing back-references to N28.9:

ICD-10-CM Codes Adjacent To N28.9
N28.0 Ischemia and infarction of kidney
N28.1 Cyst of kidney, acquired
N28.8 Other specified disorders of kidney and ureter
N28.81 Hypertrophy of kidney
N28.82 Megaloureter
N28.83 Nephroptosis
N28.84 Pyelitis cystica
N28.85 Pyeloureteritis cystica
N28.86 Ureteritis cystica
N28.89 Other specified disorders of kidney and ureter
N28.9 Disorder of kidney and ureter, unspecified
N29 Other disorders of kidney and ureter in diseases classified elsewhere
N30 Cystitis
N30.0 Acute cystitis
N30.00 …… without hematuria
N30.01 …… with hematuria
N30.1 Interstitial cystitis (chronic)
N30.10 …… without hematuria
N30.11 …… with hematuria
N30.2 Other chronic cystitis
N30.20 …… without hematuria

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