E29.1
ICD-10BillableTesticular hypofunction
Official ICD-10-CM descriptor (FY2026)
Testicular hypofunction
E29.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Defective biosynthesis of testicular androgen NOS
- 5-delta-Reductase deficiency (with male pseudohermaphroditism)
- Testicular hypogonadism NOS
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- postprocedural testicular hypofunction (E89.5)
Use additional code
Report an additional code to identify the associated condition.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Related codes in E29
Where this code sits
- Parent code
- E29
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.