E29.1

Testicular hypofunction

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · E29.1
Excludes 1

postprocedural testicular hypofunction (E89.5)

Use additional

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

Synonyms

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

Inherited from E29Testicular dysfunction
Excludes 1

androgen insensitivity syndrome (E34.5-) azoospermia or oligospermia NOS (N46.0-N46.1) isolated gonadotropin deficiency (E23.0) Klinefelter's syndrome (Q98.0-Q98.1, Q98.4)

Inherited from E20-E35Disorders of other endocrine glands
Excludes 1

galactorrhea (N64.3) gynecomastia (N62)

Inherited from chapter 4Endocrine, nutritional and metabolic diseases
Excludes 1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Note

All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Official Guidelines for E29.1

FY 2026 ›