U.S. ICD-10-CM · FY 2027

Q55 ICD-10-CM Code: Other congenital malformations of male genital organs

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

Q55

Other congenital malformations of male genital organs

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where Q55 sits

  1. 1

    Chapter 17

    Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)

  2. 2

    Section

    Congenital malformations of genital organs (Q50-Q56)

  3. 3

    Category Q55

    Other congenital malformations of male genital organs

  4. 4

    Code Q55

    Other congenital malformations of male genital organs

More specific choices

Codes under Q55

Q55 is a non-billable category. Choose the child code that best matches the documented diagnosis.

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

Q55.3

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

Q55.7

Congenital vasocutaneous fistula

Q55.8

Other specified congenital malformations of male genital organs

Q55.9

Congenital malformation of male genital organ, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for Q55.

Code first

No “code first” instruction is listed for Q55.

Use additional code

No “use additional code” instruction is listed for Q55.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Q55.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code Q55 mean?

Q55 is the FY 2027 U.S. ICD-10-CM code for “Other congenital malformations of male genital organs.”

Is Q55 a billable or specific ICD-10-CM code?

No. Q55 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Q55 located in ICD-10-CM?

Q55 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations of genital organs (Q50-Q56) (Q50–Q56), under category Q55, Other congenital malformations of male genital organs.

What coding notes are listed for Q55?

No inclusion terms are listed for Q55 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital hydrocele (P83.5); hypospadias (Q54.-). No Excludes2 note is listed.

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