ICD-10-CM 2027
ICD-10 code for testicular hypofunction
From the official ICD-10-CM alphabetic index entry “Hypofunction › testicular”. Page updated September 29, 2026.
About coding testicular hypofunction
The ICD-10-CM code for testicular hypofunction is E29.1 (Testicular hypofunction). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on E29.1.
Within E29 (testicular dysfunction), E29.1 is specifically for testicular hypofunction. Related codes cover testicular hyperfunction (E29.0), other testicular dysfunction (E29.8) and unspecified (E29.9).
Don't report E29.1 together with the conditions in its Excludes1 note: postprocedural testicular hypofunction (E89.5).
Use an additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
More specific testicular hypofunction codes (official index)
- postprocedural (postsurgical) (postirradiation) (iatrogenic) E89.5 — Postprocedural testicular hypofunction
Don't confuse with (Excludes1 for E29.1)
- postprocedural testicular hypofunction (E89.5)
Common questions about testicular hypofunction ICD-10 codes
What is the ICD-10 code for testicular hypofunction?
- E29.1 — Testicular hypofunction. More specific codes apply when the documentation supports them: E89.5.
What is the ICD-10 code for postprocedural testicular hypofunction?
- E89.5 — Postprocedural testicular hypofunction.
Is E29.1 billable?
- Yes. E29.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can E29.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict E29.1 as a principal diagnosis.
Is E29.1 a CC or MCC?
- No. E29.1 is neither a CC nor an MCC under MS-DRG v44.0.