MCMCB Pro
Q55.8

Q55.8Other specified congenital malformations of male genital organs

Billable / specific codeICD-10-CMPOA exempt

Q55.8 is a billable, specific ICD-10-CM code for other specified congenital malformations of male genital organs. It is valid for submission on a claim.

Risk adjustment

Q55.8 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Q55.8 is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis

How Q55.8 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q55.8.

  • Adhesions, adhesivepenis to scrotum(congenital)
  • Microgenitalia, congenitalmale
  • Absencegenital organsmale, congenital
  • Absencegenitourinary organs, congenital NECmale
  • Accessorygenital organmale
  • Accessorygenitourinary organs NECmale
  • Agenesisgenitalia, genitalmale
  • Anomaly, anomalousgenitalia, genital organ or systemmalespecified NEC
  • Atresia, atreticgenital organexternalmale
  • Atresia, atreticgenital organinternalmale
  • Imperfectclosuregenitalia, genital organ or systemmale
  • Malpositioncongenitalgenitalia, genital organ or tractmale

Related codes at this level

Codes that share Q55. If Q55.8 is not quite right, the correct code is usually one of these.

Questions about Q55.8

Is Q55.8 a billable ICD-10-CM code?
Yes. Q55.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q55.8 sit in the tabular list?
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of genital organs (Q50-Q56).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.