2026 ICD-10-CM Diagnosis Code Q55Other congenital malformations of male genital organs

ICD-10-CM Codes›Q00-Q99›Q50-Q56›Q55

ICD-10-CM Q55
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q55 is a non-billable ICD-10-CM category code for other congenital malformations of male genital organs, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q55.0, Q55.1, Q55.20, and Q55.21.

Code Identity

ICD-10-CM Code
Q55
Billable Status
No — Non-Billable Category
Code Describes
Other congenital malformations of male genital organs
Chapter
Q50-Q56
Congenital malformations of genital organs

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ50-Q56Congenital malformations of genital organs
CategoryQ55Other congenital malformations of male genital organs
This CodeQ55Other congenital malformations of male genital organs

Specific Coding for Other congenital malformations of male genital organsOverview

Non-specific codes like Q55 require more characters. Use one of these billable codes instead:

  • Use Q55.0 for Absence and aplasia of testis

  • Use Q55.1 for Hypoplasia of testis and scrotum

  • Q55.2 for Other and unspecified congenital malformations of testis and scrotum

  • Use Q55.20 for Unspecified congenital malformations of testis and scrotum

  • Use Q55.21 for Polyorchism

  • Use Q55.22 for Retractile testis

  • Use Q55.23 for Scrotal transposition

  • Use Q55.29 for Other congenital malformations of testis and scrotum

  • Use Q55.3 for Atresia of vas deferens

  • Use Q55.4 for Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate

  • Use Q55.5 for Congenital absence and aplasia of penis

  • Q55.6 for Other congenital malformations of penis

  • Use Q55.61 for Curvature of penis (lateral)

  • Use Q55.62 for Hypoplasia of penis

  • Use Q55.63 for Congenital torsion of penis

  • Use Q55.64 for Hidden penis

  • Use Q55.69 for Other congenital malformation of penis

  • Use Q55.7 for Congenital vasocutaneous fistula

  • Use Q55.8 for Other specified congenital malformations of male genital organs

  • Use Q55.9 for Congenital malformation of male genital organ, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • congenital hydrocele P83.5
  • hypospadias Q54

Patient EducationClinical

Penis Disorders

Problems with the penis can cause pain and affect a man's sexual function and fertility. Penis disorders include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q55Overview

Is Q55 (Other congenital malformations of male genital organs) a billable code?

No. This is a category header that groups the codes for other congenital malformations of male genital organs, and headers cannot be submitted on claims. Claims for other congenital malformations of male genital organs need a more specific code from this category, such as Q55.0, Q55.1, and Q55.20.