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Q55.21

Q55.21: Polyorchism

Billable / specific codeICD-10-CMPOA exempt

Q55.21 is a billable, specific ICD-10-CM code for polyorchism. It is valid for submission on a claim.

Check Q55.21 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Q55.21

A category’s note binds every code beneath it.

Written on Q55: Other congenital malformations of male genital organs

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q55.21 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Polyorchism, polyorchidism
  • Malformation›testis and scrotum›polyorchism

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q55.2

ICD-10-CMFY2027· effective October 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.