ICD-10-CM > N00-N99 > N40-N53 > N42 > N42.3 N42.3 Dysplasia of prostate Non-Billable/Non-Specific Codes N42.30Unspecified dysplasia of prostateN42.31Prostatic intraepithelial neoplasiaN42.32Atypical small acinar proliferation of prostateN42.39Other dysplasia of prostate