ICD-10 · PDGM grouping

N40-N53 — Diseases of male genital organs

Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.

OASIS-E2 v1.00.0 · ingested 2026-04-26

Codes in range

121

No clinical group

A period cannot be grouped from these.

Barred as primary

CMS rejects these in the primary position.

Where these codes group

49 of the 121 codes in N40-N53 group to MMTA - Gastrointestinal tract and Genitourinary system, but the range is not uniform — it spreads across 3 clinical groups. A further 32 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.

Every code in N40-N53

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

Code	Description	Clinical group	Primary position
N400	Benign prostatic hyperplasia without lower urinry tract symp	J	Accepted
N401	Benign prostatic hyperplasia with lower urinary tract symp	J	Accepted
N402	Nodular prostate without lower urinary tract symptoms	J	Accepted
N403	Nodular prostate with lower urinary tract symptoms	J	Accepted
N410	Acute prostatitis	J	Accepted
N411	Chronic prostatitis	J	Accepted
N412	Abscess of prostate	J	Accepted
N413	Prostatocystitis	J	Accepted
N414	Granulomatous prostatitis	A	Accepted
N418	Other inflammatory diseases of prostate	J	Accepted
N419	Inflammatory disease of prostate, unspecified	None	Cannot group
N420	Calculus of prostate	J	Accepted
N421	Congestion and hemorrhage of prostate	J	Accepted
N4230	Unspecified dysplasia of prostate	A	Accepted
N4231	Prostatic intraepithelial neoplasia	J	Accepted
N4232	Atypical small acinar proliferation of prostate	A	Accepted
N4239	Other dysplasia of prostate	A	Accepted
N4281	Prostatodynia syndrome	A	Accepted
N4282	Prostatosis syndrome	A	Accepted
N4283	Cyst of prostate	J	Accepted
N4289	Other specified disorders of prostate	J	Accepted
N429	Disorder of prostate, unspecified	None	Cannot group
N430	Encysted hydrocele	A	Accepted
N431	Infected hydrocele	J	Accepted
N432	Other hydrocele	J	Accepted
N433	Hydrocele, unspecified	None	Cannot group
N4340	Spermatocele of epididymis, unspecified	None	Cannot group
N4341	Spermatocele of epididymis, single	A	Accepted
N4342	Spermatocele of epididymis, multiple	A	Accepted
N4400	Torsion of testis, unspecified	J	Accepted
N4401	Extravaginal torsion of spermatic cord	A	Accepted
N4402	Intravaginal torsion of spermatic cord	A	Accepted
N4403	Torsion of appendix testis	A	Accepted
N4404	Torsion of appendix epididymis	A	Accepted
N441	Cyst of tunica albuginea testis	J	Accepted
N442	Benign cyst of testis	J	Accepted
N448	Other noninflammatory disorders of the testis	J	Accepted
N451	Epididymitis	J	Accepted
N452	Orchitis	J	Accepted
N453	Epididymo-orchitis	J	Accepted
N454	Abscess of epididymis or testis	J	Accepted
N4601	Organic azoospermia	None	Cannot group
N46021	Azoospermia due to drug therapy	None	Cannot group
N46022	Azoospermia due to infection	None	Cannot group
N46023	Azoospermia due to obstruction of efferent ducts	None	Cannot group
N46024	Azoospermia due to radiation	None	Cannot group
N46025	Azoospermia due to systemic disease	None	Cannot group
N46029	Azoospermia due to other extratesticular causes	None	Cannot group
N4611	Organic oligospermia	None	Cannot group
N46121	Oligospermia due to drug therapy	None	Cannot group
N46122	Oligospermia due to infection	None	Cannot group
N46123	Oligospermia due to obstruction of efferent ducts	None	Cannot group
N46124	Oligospermia due to radiation	None	Cannot group
N46125	Oligospermia due to systemic disease	None	Cannot group
N46129	Oligospermia due to other extratesticular causes	None	Cannot group
N468	Other male infertility	None	Cannot group
N469	Male infertility, unspecified	None	Cannot group
N470	Adherent prepuce, newborn	A	Accepted
N471	Phimosis	J	Accepted
N472	Paraphimosis	J	Accepted
N473	Deficient foreskin	J	Accepted
N474	Benign cyst of prepuce	A	Accepted
N475	Adhesions of prepuce and glans penis	A	Accepted
N476	Balanoposthitis	J	Accepted
N477	Other inflammatory diseases of prepuce	J	Accepted
N478	Other disorders of prepuce	J	Accepted
N480	Leukoplakia of penis	J	Accepted
N481	Balanitis	J	Accepted
N4821	Abscess of corpus cavernosum and penis	J	Accepted
N4822	Cellulitis of corpus cavernosum and penis	J	Accepted
N4829	Other inflammatory disorders of penis	J	Accepted
N4830	Priapism, unspecified	None	Cannot group
N4831	Priapism due to trauma	None	Cannot group
N4832	Priapism due to disease classified elsewhere	None	Cannot group
N4833	Priapism, drug-induced	None	Cannot group
N4839	Other priapism	None	Cannot group
N485	Ulcer of penis	C	Accepted
N486	Induration penis plastica	A	Accepted
N4881	Thrombosis of superficial vein of penis	J	Accepted
N4882	Acquired torsion of penis	A	Accepted
N4883	Acquired buried penis	J	Accepted
N4889	Other specified disorders of penis	J	Accepted
N489	Disorder of penis, unspecified	None	Cannot group
N490	Inflammatory disorders of seminal vesicle	J	Accepted
N491	Inflam disorders of sperm cord, tunica vaginalis and vas def	A	Accepted
N492	Inflammatory disorders of scrotum	J	Accepted
N493	Fournier gangrene	C	Accepted
N498	Inflammatory disorders of oth male genital organs	J	Accepted
N499	Inflammatory disorder of unspecified male genital organ	None	Cannot group
N500	Atrophy of testis	A	Accepted
N501	Vascular disorders of male genital organs	J	Accepted
N503	Cyst of epididymis	J	Accepted
N50811	Right testicular pain	A	Accepted
N50812	Left testicular pain	A	Accepted
N50819	Testicular pain, unspecified	None	Cannot group
N5082	Scrotal pain	A	Accepted
N5089	Other specified disorders of the male genital organs	J	Accepted
N509	Disorder of male genital organs, unspecified	None	Cannot group
N51	Disorders of male genital organs in diseases classd elswhr	None	Cannot group
N5201	Erectile dysfunction due to arterial insufficiency	J	Accepted
N5202	Corporo-venous occlusive erectile dysfunction	A	Accepted
N5203	Comb artrl insuff & corporo-venous occlusv erectile dysfnct	J	Accepted
N521	Erectile dysfunction due to diseases classified elsewhere	None	Cannot group
N522	Drug-induced erectile dysfunction	A	Accepted
N5231	Erectile dysfunction following radical prostatectomy	A	Accepted
N5232	Erectile dysfunction following radical cystectomy	A	Accepted
N5233	Erectile dysfunction following urethral surgery	A	Accepted
N5234	Erectile dysfunction following simple prostatectomy	J	Accepted
N5235	Erectile dysfunction following radiation therapy	A	Accepted
N5236	Erectile dysfunction following interstitial seed therapy	A	Accepted
N5237	Erectile dysfunction following prostate ablative therapy	A	Accepted
N5239	Other and unspecified postprocedural erectile dysfunction	A	Accepted
N528	Other male erectile dysfunction	J	Accepted
N529	Male erectile dysfunction, unspecified	J	Accepted
N5311	Retarded ejaculation	A	Accepted
N5312	Painful ejaculation	A	Accepted
N5313	Anejaculatory orgasm	A	Accepted
N5314	Retrograde ejaculation	A	Accepted
N5319	Other ejaculatory dysfunction	A	Accepted
N538	Other male sexual dysfunction	A	Accepted
N539	Unspecified male sexual dysfunction	None	Cannot group

Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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N40-N53 — Diseases of male genital organs

Where these codes group

Every code in N40-N53

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