2020 ICD-10-CM Diagnosis Code N28.1

Cyst of kidney, acquired

    2016 2017 2018 2019 2020 Billable/Specific Code
  • N28.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM N28.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N28.1 - other international versions of ICD-10 N28.1 may differ.
Applicable To
  • Cyst (multiple) (solitary) of kidney (acquired)
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 N28.1. 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.
  • cystic kidney disease (congenital) (
    ICD-10-CM Diagnosis Code Q61
    • Q61 Cystic kidney disease
      • Q61.0 Congenital renal cyst
        • Q61.00 …… unspecified
        • Q61.01 Congenital single renal cyst
        • Q61.02 Congenital multiple renal cysts
      • Q61.1 Polycystic kidney, infantile type
        • Q61.11 Cystic dilatation of collecting ducts
        • Q61.19 Other polycystic kidney, infantile type
      • Q61.2 Polycystic kidney, adult type
      • Q61.3 Polycystic kidney, unspecified
      • Q61.4 Renal dysplasia
      • Q61.5 Medullary cystic kidney
      • Q61.8 Other cystic kidney diseases
      • Q61.9 Cystic kidney disease, unspecified
    Q61.-
    )
The following code(s) above N28.1 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 N28.1:
  • 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
  • N25-N29
    2020 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
  • Acquired complex renal cyst
  • Acquired multiple renal cysts
  • Acquired renal cystic disease
  • Acquired single renal cyst
  • Complex cyst of kidney acquired
  • Multiple acquired kidney cysts
  • Renal cystic disease, acquired
  • Simple cyst of kidney
  • Simple renal cyst
  • Single acquired kidney cyst
ICD-10-CM N28.1 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

Convert N28.1 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
Code annotations containing back-references to N28.1:
  • Type 1 Excludes: Q61
    ICD-10-CM Diagnosis Code Q61

    Cystic kidney disease

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • acquired cyst of kidney (N28.1)
    • Potter's syndrome (Q60.6)

Diagnosis Index entries containing back-references to N28.1:
  • Cyst (colloid) (mucous) (simple) (retention)
    • kidney (acquired) N28.1
      • solitary (single) Q61.01
        ICD-10-CM Diagnosis Code Q61.01

        Congenital single renal cyst

          2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
        • acquired N28.1
      • simple N28.1
    • solitary
      • kidney N28.1
    • paranephric N28.1
    • peripelvic N28.1 (lymphatic)
  • Solitary
    • cyst, kidney N28.1

ICD-10-CM Codes Adjacent To N28.1
N26 Unspecified contracted kidney
N26.1 Atrophy of kidney (terminal)
N26.2 Page kidney
N26.9 Renal sclerosis, unspecified
N27 Small kidney of unknown cause
N27.0 Small kidney, unilateral
N27.1 Small kidney, bilateral
N27.9 Small kidney, unspecified
N28 Other disorders of kidney and ureter, not elsewhere classified
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

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