Q55.4
Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 4 never code together
Q50-Q56block
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Instructional notes 3
Q55.4code
Inclusion terms
- Absence or aplasia of prostate
- Absence or aplasia of spermatic cord
- Congenital malformation of vas deferens, epididymis, seminal vesicles or prostate NOS
Index entries leading here 18
- Absence (of) (organ or part) (complete or partial)
- Adhesions, adhesive (postinfective) K66.0
- Agenesis
- Anomaly, anomalous (congenital) (unspecified type) Q89.9
- Aplasia — see also Agenesis
- Appendage
- epididymal (organ of Morgagni) Q55.4
- Appendix, appendicular — see also condition
- Atresia, atretic
- ejaculatory duct Q55.4
- Stricture — see also Stenosis
- Hypertrophy, hypertrophic
- prostate — see Enlargement, enlarged, prostate
- congenital Q55.4
- prostate — see Enlargement, enlarged, prostate
- Spermatocele N43.40
- congenital Q55.4
- Cyst (colloid) (mucous) (simple) (retention)
- Morgagni's
- cyst, organ, hydatid, or appendage
- male (epididymal) Q55.4
- cyst, organ, hydatid, or appendage
- Deformity Q89.9
- Embryonic
- vas deferens Q55.4
- Malformation (congenital) — see also Anomaly
- Hypoplasia, hypoplastic
- epididymis (congenital) Q55.4
- Hydatid
- Morgagni
- male (epididymal) Q55.4
- Morgagni
Alongside this code 9 same parent — Q55
Q55.0 Absence and aplasia of testis Q55.1 Hypoplasia of testis and scrotum Q55.2 Oth and unsp congenital malformations of testis and scrotum category Q55.3 Atresia of vas deferens Q55.5 Congenital absence and aplasia of penis Q55.6 Other congenital malformations of penis category Q55.7 Congenital vasocutaneous fistula Q55.8 Oth congenital malformations of male genital organs Q55.9 Congenital malformation of male genital organ, unspecified
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.