Coding and coverage · ICD-10-CM

Q55 Other congenital malformations of male genital organs

Not billable (header)Chapter 17

Report one of the more specific codes below.

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Codes under this one

  • Q55.0 Absence and aplasia of testis
  • Q55.1 Hypoplasia of testis and scrotum
  • Q55.2 Other and unspecified congenital malformations of testis and scrotumHeader
  • 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 penisHeader
  • Q55.7 Congenital vasocutaneous fistula
  • Q55.8 Other specified congenital malformations of male genital organs
  • Q55.9 Congenital malformation of male genital organ, unspecified

Instructional notes

Chapter 17

Excludes2Not included here: the patient may have both; report both when both are present.
  • inborn errors of metabolism (E70-E88)
Notes
  • Codes from this chapter are not for use on maternal records

Section Q50-Q56

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • androgen insensitivity syndrome (E34.5-)
  • syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) · Q50-Q56 Congenital malformations of genital organs (Q50-Q56)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.