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ICD-10-CM Codes
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N00-N99
Diseases of the genitourinary system
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N40-N53
Diseases of male genital organs
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N42-
Other and unspecified disorders of prostate
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2021 ICD-10-CM Diagnosis Code N42.31
2021 ICD-10-CM Diagnosis Code N42.31
Prostatic intraepithelial neoplasia
2017 - New Code 2018 2019 2020 2021 Billable/Specific Code Male Dx
- N42.31 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM N42.31 became effective on October 1, 2020.
- This is the American ICD-10-CM version of N42.31 - other international versions of ICD-10 N42.31 may differ.
ICD-10-CM Coding Rules
- N42.31 is applicable to male patients.
Applicable To- PIN
- Prostatic intraepithelial neoplasia I (PIN I)
- Prostatic intraepithelial neoplasia II (PIN II)
Type 1 ExcludesType 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 N42.31. 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.
The following code(s) above
N42.31 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
N42.31:
- 729 Other male reproductive system diagnoses with cc/mcc
- 730 Other male reproductive system diagnoses without cc/mcc
Convert N42.31 to ICD-9-CM
Code History
- 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
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To N42.31
N41.2 Abscess of prostate
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
N42.89 Other specified disorders of prostate
N42.9 Disorder of prostate, unspecified
N43 Hydrocele and spermatocele
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
