2020 ICD-10-CM Diagnosis Code N42.3

Dysplasia of prostate

    2016 2017 - Converted to Parent Code 2018 2019 2020 Non-Billable/Non-Specific Code
  • N42.3 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM N42.3 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N42.3 - other international versions of ICD-10 N42.3 may differ.
The following code(s) above N42.3 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 N42.3:
  • 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
Approximate Synonyms
  • High grade prostatic intraepithelial neoplasia
  • Low grade prostatic intraepithelial neoplasia
  • Prostatic intraepithelial neoplasia and atypia
  • Prostatic intraepithelial neoplasia i
  • Prostatic intraepithelial neoplasia ii
  • Prostatic intraepithelial neoplasia, grade 1
  • Prostatic intraepithelial neoplasia, grade 2
  • Prostatic intraepithelial neoplasia, high grade
  • Prostatic intraepithelial neoplasia, low grade
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): Deleted code
  • 2017 (effective 10/1/2016): New code
  • 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 N42.3:
  • Type 1 Excludes: D07.5
    , D07.5
    ICD-10-CM Diagnosis Code D07.5

    Carcinoma in situ of prostate

      2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
    Applicable To
    • Prostatic intraepithelial neoplasia III (PIN III)
    • Severe dysplasia of prostate
    Type 1 Excludes
    • dysplasia (mild) (moderate) of prostate (N42.3-)
    • prostatic intraepithelial neoplasia II [PIN II] (N42.3-)
    ICD-10-CM Diagnosis Code D07.5

    Carcinoma in situ of prostate

      2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
    Applicable To
    • Prostatic intraepithelial neoplasia III (PIN III)
    • Severe dysplasia of prostate
    Type 1 Excludes
    • dysplasia (mild) (moderate) of prostate (N42.3-)
    • prostatic intraepithelial neoplasia II [PIN II] (N42.3-)
ICD-10-CM Codes Adjacent To N42.3
N41.0 Acute prostatitis
N41.1 Chronic prostatitis
N41.2 Abscess of prostate
N41.3 Prostatocystitis
N41.4 Granulomatous prostatitis
N41.8 Other inflammatory diseases of prostate
N41.9 Inflammatory disease of prostate, unspecified
N42 Other and unspecified disorders of prostate
N42.0 Calculus of prostate
N42.1 Congestion and hemorrhage of prostate
N42.3 Dysplasia of prostate
N42.30 Unspecified dysplasia of prostate
N42.31 Prostatic intraepithelial neoplasia
N42.32 Atypical small acinar proliferation of prostate
N42.39 Other dysplasia of prostate
N42.8 Other specified disorders of prostate
N42.81 Prostatodynia syndrome
N42.82 Prostatosis syndrome
N42.83 Cyst of prostate
N42.89 Other specified disorders of prostate
N42.9 Disorder of prostate, unspecified

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