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Q55.4

Q55.4: Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate

Billable / specific codeICD-10-CMPOA exempt

Q55.4 is a billable, specific ICD-10-CM code for other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate. It is valid for submission on a claim.

Check Q55.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Absence or aplasia of prostate
  • Absence or aplasia of spermatic cord
  • Congenital malformation of vas deferens, epididymis, seminal vesicles or prostate NOS

Excludes1 inherited from the categories above Q55.4

A category’s note binds every code beneath it.

Written on Q55: Other congenital malformations of male genital organs

  • congenital hydrocele (P83.5)
  • hypospadias (Q54.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q55.4 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Absence›ejaculatory duct(congenital)
  • Absence›epididymis(congenital)
  • Absence›seminal vesicles(congenital)
  • Absence›spermatic cord, congenital
  • Absence›vas deferens(congenital)
  • Agenesis›ejaculatory duct
  • Agenesis›prostate
  • Agenesis›seminal vesicles
  • Agenesis›spermatic cord
  • Agenesis›vas deferens
  • Anomaly, anomalous›ejaculatory duct
  • Anomaly, anomalous›epididymis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q55

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.