MCMedicalCodingSoftware
E29.1

E29.1: Testicular hypofunction

Billable / specific codeICD-10-CM

E29.1 is a billable, specific ICD-10-CM code for testicular hypofunction. It is valid for submission on a claim.

Check E29.1 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • postprocedural testicular hypofunction (E89.5)

Use additional code

Add a secondary code to capture the detail described below.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Defective biosynthesis of testicular androgen NOS
  • 5-Alpha-reductase deficiency (with male pseudohermaphroditism)
  • Testicular hypogonadism NOS

Excludes1 inherited from the categories above E29.1

A category’s note binds every code beneath it.

Written on E29: Testicular dysfunction

Risk adjustment

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

Medicare coverage

E29.1 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57615Billing and Coding: Treatment of Males with Low Testosterone
  • A58828Billing and Coding: Treatment of Males with Low Testosterone

Alphabetic index entries that lead here

  • Eunuchoidism
  • Panhypogonadism
  • Abnormal, abnormality, abnormalities›biosynthesis, testicular androgen
  • Defect, defective›biosynthesis, androgen(testicular)
  • Deficiency, deficient›5-alpha reductase(with male pseudohermaphroditism)
  • Failure, failed›Leydig's cell, adult
  • Failure, failed›seminiferous tubule, adult
  • Failure, failed›testicular endocrine function
  • Hypofunction›testicular
  • Hypogonadism›male
  • Hypogonadism›testicular(primary)
  • Infantile›testis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under E29

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.