Q55 ICD-10-CA category: Other congenital malformations of male genital organs
Q55 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.
Official description
Q55Other congenital malformations of male genital organs
ICD-10-CA · Canada
Codes in Q55
Q55 isn’t a code on its own. Open the group that matches what the note documents.
Q55.0Absence and aplasia of testisQ55.1Hypoplasia of testis and scrotumQ55.2Other congenital malformations of testis and scrotumQ55.3Atresia of vas deferensQ55.4Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostateQ55.5Congenital absence and aplasia of penisQ55.6Other congenital malformations of penis (2 codes)Q55.8Other specified congenital malformations of male genital organsQ55.9Congenital malformation of male genital organ, unspecifiedNotes for Q55
As CIHI prints them, with any note Q55 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Congenital hydrocele (P83.5)hypospadias (Q54.-)
- androgen resistance, testicular feminization — syndrome (E34.5)syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99)From Q50-Q56 Congenital malformations of genital organs
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q55 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q50-Q56Congenital malformations of genital organs
- 3Category Q55Other congenital malformations of male genital organs
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is Q55 a valid ICD-10-CA code?
No. Q55 (Other congenital malformations of male genital organs) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.
Where is Q55 in ICD-10-CA?
Q55 sits under Q50-Q56 Congenital malformations of genital organs, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q55?
ICD-10-CA lists Excludes notes for Q55, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.