N46.1 – Oligospermia
ICD-10-CM 2027 diagnosis code · Diseases of male genital organs
ICD-10-CM code
N46.1
- Code
N46.1(claims format:N461)- Description
- Oligospermia
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 14. Diseases of the genitourinary system (N00-N99)
- Block
- N40-N53 Diseases of male genital organs
- Parent codes
- N46
Billable codes under N46.1
N46.1 is a header code and cannot be used on claims. Choose the most specific code:
- N46.11 – Organic oligospermiaBillable
- N46.12 – Oligospermia due to extratesticular causesHeader (more codes below)
Notes for N46.1
Applicable to:
- Male infertility due to germinal cell desquamation
- Male infertility due to hypospermatogenesis
- Male infertility due to incomplete spermatogenic arrest
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
N46 – Male infertility
Excludes1 (not coded here):
- vasectomy status (Z98.52)
Related codes in N46
- N46.0 – AzoospermiaHeader
- N46.8 – Other male infertilityBillable
- N46.9 – Male infertility, unspecifiedBillable
Frequently asked questions
What is ICD-10 code N46.1?
N46.1 is the ICD-10-CM code for oligospermia, in the block N40-N53 (Diseases of male genital organs).
Is N46.1 a billable code?
No. N46.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does N46.1 belong to?
It belongs to category N46 – Male infertility.
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.