| N40 | Enlarged prostate |
| N40.0 | Enlarged prostate without lower urinary tract symptoms |
| N40.1 | Enlarged prostate with lower urinary tract symptoms |
| N40.2 | Nodular prostate without lower urinary tract symptoms |
| N40.3 | Nodular prostate with lower urinary tract symptoms |
| N41 | Inflammatory diseases of prostate |
| 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 |
| N42.8 | 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 |
| N43 | Hydrocele and spermatocele |
| N43.0 | Encysted hydrocele |
| N43.1 | Infected hydrocele |
| N43.2 | Other hydrocele |
| N43.3 | Hydrocele, unspecified |
| N43.4 | Spermatocele of epididymis |
| N43.40 | Spermatocele of epididymis, unspecified |
| N43.41 | Spermatocele of epididymis, single |
| N43.42 | Spermatocele of epididymis, multiple |
| N44 | Noninflammatory disorders of testis |
| N44.0 | Torsion of testis |
| N44.00 | Torsion of testis, unspecified |
| N44.01 | Extravaginal torsion of spermatic cord |
| N44.02 | Intravaginal torsion of spermatic cord |
| N44.03 | Torsion of appendix testis |
| N44.04 | Torsion of appendix epididymis |
| N44.1 | Cyst of tunica albuginea testis |
| N44.2 | Benign cyst of testis |
| N44.8 | Other noninflammatory disorders of the testis |
| N45 | Orchitis and epididymitis |
| N45.1 | Epididymitis |
| N45.2 | Orchitis |
| N45.3 | Epididymo-orchitis |
| N45.4 | Abscess of epididymis or testis |
| N46 | Male infertility |
| N46.0 | Azoospermia |
| N46.01 | Organic azoospermia |
| N46.02 | Azoospermia due to extratesticular causes |
| N46.021 | Azoospermia due to drug therapy |
| N46.022 | Azoospermia due to infection |
| N46.023 | Azoospermia due to obstruction of efferent ducts |
| N46.024 | Azoospermia due to radiation |
| N46.025 | Azoospermia due to systemic disease |
| N46.029 | Azoospermia due to other extratesticular causes |
| N46.1 | Oligospermia |
| N46.11 | Organic oligospermia |
| N46.12 | Oligospermia due to extratesticular causes |
| N46.121 | Oligospermia due to drug therapy |
| N46.122 | Oligospermia due to infection |
| N46.123 | Oligospermia due to obstruction of efferent ducts |
| N46.124 | Oligospermia due to radiation |
| N46.125 | Oligospermia due to systemic disease |
| N46.129 | Oligospermia due to other extratesticular causes |
| N46.8 | Other male infertility |
| N46.9 | Male infertility, unspecified |
| N47 | Disorders of prepuce |
| N47.0 | Adherent prepuce, newborn |
| N47.1 | Phimosis |
| N47.2 | Paraphimosis |
| N47.3 | Deficient foreskin |
| N47.4 | Benign cyst of prepuce |
| N47.5 | Adhesions of prepuce and glans penis |
| N47.6 | Balanoposthitis |
| N47.7 | Other inflammatory diseases of prepuce |
| N47.8 | Other disorders of prepuce |
| N48 | Other disorders of penis |
| N48.0 | Leukoplakia of penis |
| N48.1 | Balanitis |
| N48.2 | Other inflammatory disorders of penis |
| N48.21 | Abscess of corpus cavernosum and penis |
| N48.22 | Cellulitis of corpus cavernosum and penis |
| N48.29 | Other inflammatory disorders of penis |
| N48.3 | Priapism |
| N48.30 | Priapism, unspecified |
| N48.31 | Priapism due to trauma |
| N48.32 | Priapism due to disease classified elsewhere |
| N48.33 | Priapism, drug-induced |
| N48.39 | Other priapism |
| N48.5 | Ulcer of penis |
| N48.6 | Induration penis plastica |
| N48.8 | Other specified disorders of penis |
| N48.81 | Thrombosis of superficial vein of penis |
| N48.82 | Acquired torsion of penis |
| N48.83 | Acquired buried penis |
| N48.89 | Other specified disorders of penis |
| N48.9 | Disorder of penis, unspecified |
| N49 | Inflammatory disorders of male genital organs, not elsewhere classified |
| N49.0 | Inflammatory disorders of seminal vesicle |
| N49.1 | Inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens |
| N49.2 | Inflammatory disorders of scrotum |
| N49.3 | Fournier gangrene |
| N49.8 | Inflammatory disorders of other specified male genital organs |
| N49.9 | Inflammatory disorder of unspecified male genital organ |
| N50 | Other and unspecified disorders of male genital organs |
| N50.0 | Atrophy of testis |
| N50.1 | Vascular disorders of male genital organs |
| N50.3 | Cyst of epididymis |
| N50.8 | Other specified disorders of male genital organs |
| N50.9 | Disorder of male genital organs, unspecified |
| N51 | Disorders of male genital organs in diseases classified elsewhere |
| N52 | Male erectile dysfunction |
| N52.0 | Vasculogenic erectile dysfunction |
| N52.01 | Erectile dysfunction due to arterial insufficiency |
| N52.02 | Corporo-venous occlusive erectile dysfunction |
| N52.03 | Combined arterial insufficiency and corporo-venous occlusive erectile dysfunction |
| N52.1 | Erectile dysfunction due to diseases classified elsewhere |
| N52.2 | Drug-induced erectile dysfunction |
| N52.3 | Post-surgical erectile dysfunction |
| N52.31 | Erectile dysfunction following radical prostatectomy |
| N52.32 | Erectile dysfunction following radical cystectomy |
| N52.33 | Erectile dysfunction following urethral surgery |
| N52.34 | Erectile dysfunction following simple prostatectomy |
| N52.39 | Other post-surgical erectile dysfunction |
| N52.8 | Other male erectile dysfunction |
| N52.9 | Male erectile dysfunction, unspecified |
| N53 | Other male sexual dysfunction |
| N53.1 | Ejaculatory dysfunction |
| N53.11 | Retarded ejaculation |
| N53.12 | Painful ejaculation |
| N53.13 | Anejaculatory orgasm |
| N53.14 | Retrograde ejaculation |
| N53.19 | Other ejaculatory dysfunction |
| N53.8 | Other male sexual dysfunction |
| N53.9 | Unspecified male sexual dysfunction |