2021 ICD-10-CM Code Q55

Other congenital malformations of male genital organs

Version 2021
Non-Billable Code

Not Valid for Submission

Q55 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of other congenital malformations of male genital organs. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:Q55
Short Description:Other congenital malformations of male genital organs
Long Description:Other congenital malformations of male genital organs

Code Classification

Specific Coding for Other congenital malformations of male genital organs

Header codes like Q55 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for other congenital malformations of male genital organs:

  • Q55.0 - Absence and aplasia of testis
  • Q55.1 - Hypoplasia of testis and scrotum
  • Q55.2 - Other and unspecified congenital malformations of testis and scrotum
  • Q55.20 - Unspecified congenital malformations of testis and scrotum
  • Q55.21 - Polyorchism
  • Q55.22 - Retractile testis
  • Q55.23 - Scrotal transposition
  • Q55.29 - Other congenital malformations of testis and scrotum
  • Q55.3 - Atresia of vas deferens
  • Q55.4 - Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
  • Q55.5 - Congenital absence and aplasia of penis
  • Q55.6 - Other congenital malformations of penis
  • Q55.61 - Curvature of penis (lateral)
  • Q55.62 - Hypoplasia of penis
  • Q55.63 - Congenital torsion of penis
  • Q55.64 - Hidden penis
  • Q55.69 - Other congenital malformation of penis
  • Q55.7 - Congenital vasocutaneous fistula
  • Q55.8 - Other specified congenital malformations of male genital organs
  • Q55.9 - Congenital malformation of male genital organ, unspecified

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Q55:


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

Information for Patients


Penis Disorders

Also called: Penile disorders

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


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Testicular Disorders

Testicles, or testes, make male hormones and sperm. They are two egg-shaped organs inside the scrotum, the loose sac of skin behind the penis. It's easy to injure your testicles because they are not protected by bones or muscles. Men and boys should wear athletic supporters when they play sports.

You should examine your testicles monthly and seek medical attention for lumps, redness, pain or other changes. Testicles can get inflamed or infected. They can also develop cancer. Testicular cancer is rare and highly treatable. It usually happens between the ages of 15 and 40.


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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)