E29.1
Billable

Testicular hypofunction

Billable / Specific Code

What is Testicular hypofunction?

ICD-10-CM E29.1 is the diagnosis code for Testicular hypofunction. This code falls under the section "Disorders of other endocrine glands" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for E29.1

✅ This Code Includes

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

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as E29.1. They are mutually exclusive:

  • postprocedural testicular hypofunction (E89.5)

ICD-10-CM Code Hierarchy

Understanding where E29.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is E29.1 a billable ICD-10-CM code?

Yes, E29.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does E29.1 mean?

E29.1 is the ICD-10-CM diagnosis code for "Testicular hypofunction". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E29.1?

The parent code of E29.1 is E29 ("Testicular dysfunction"). E29.1 provides a more specific classification within this category.

What section is E29.1 in?

E29.1 is located in Section E20-E35 — "Disorders of other endocrine glands" within Chapter 4 of the ICD-10-CM Tabular List.

When should I use E29.1?

Use E29.1 when the patients documented diagnosis matches "Testicular hypofunction" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Testicular hypofunction?

The ICD-10-CM code for Testicular hypofunction is E29.1.

Can E29.1 be used for primary diagnosis?

Yes, E29.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is E29.1 in?

E29.1 is in Chapter 4 of the ICD-10-CM Tabular List.

What conditions are excluded from E29.1?

Type 1 Excludes for E29.1 include: postprocedural testicular hypofunction (E89.5).

Is E29.1 valid for 2026?

Yes, E29.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE29.0Testicular hyperfunctionNext →E29.8Other testicular dysfunction
Code Details
E29.1
Testicular hypofunction
Billable / Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E20-E35 — Disorders of other endocrine glands
2026 ICD-10-CM