All ICD10 Codes
Q53Not billable, use a more specific code below

Undescended and ectopic testicle

In Congenital malformations of genital organs (Q50-Q56), chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities

14 billable codes under Q53: none are a CC or MCC; none map to an HCC.

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Instructional notes

Also applies, from Congenital malformations of genital organs (Q50-Q56)

These notes sit on Q50-Q56 and apply to every code under it, including Q53.

Excludes1: not coded here, use a different code

  • androgen insensitivity syndrome (E34.5-)
  • syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Assign Q00-QA1 codes for documented congenital anomalies or genetic disorders at any age, coding non-inherent manifestations separately and sequencing Z38 first on the birth admission.

Read Section I.C.17 (page 74)

All codes under Q53

Q53 can't be used on a claim. Pick a billable code below; grey headings group them.

Q53 MS-DRGs

As the principal diagnosis, all 14 billable codes under Q53 group to MS-DRG 729, 730, or 795 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

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.

Read more about testicular disorders on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.