E29.1 – Testicular hypofunction
ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands
ICD-10-CM code
E29.1
- Code
E29.1(claims format:E291)- Description
- Testicular hypofunction
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E20-E35 Disorders of other endocrine glands
- Parent codes
- E29
Notes for E29.1
Applicable to:
- Defective biosynthesis of testicular androgen NOS
- 5-Alpha-reductase deficiency (with male pseudohermaphroditism)
- Testicular hypogonadism NOS
Excludes1 (not coded here):
- postprocedural testicular hypofunction (E89.5)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E29 – Testicular dysfunction
Excludes1 (not coded here):
Block E20-E35
Index terms for E29.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Eunuchoidism
- Panhypogonadism
- Infantile, testis
- Hypogonadism, male
- Hypogonadism, testicular
- Hypofunction, testicular
- Undeveloped, undevelopment, testis
- Insufficiency, insufficient, testis
- Failure, failed, Leydig's cell, adult
- Deficiency, deficient, 5-alpha reductase
- Defect, defective, biosynthesis, androgen
- Deficiency, deficient, hormone, testicular
- Syndrome, functional, prepubertal castrate
- Failure, failed, seminiferous tubule, adult
- Insufficiency, insufficient, gonadal, testis
- Failure, failed, testicular endocrine function
- Pseudohermaphroditism, male, with, 5-alpha-reductase deficiency
- Abnormal, abnormality, abnormalities, biosynthesis, testicular androgen
Related codes in E29
Frequently asked questions
What is ICD-10 code E29.1?
E29.1 is the ICD-10-CM code for testicular hypofunction, in the block E20-E35 (Disorders of other endocrine glands).
Is E29.1 a billable code?
Yes. E29.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E29.1 belong to?
It belongs to category E29 – Testicular dysfunction.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.