N46.121 – Oligospermia due to drug therapy

ICD-10-CM 2027 diagnosis code · Diseases of male genital organs

Billable code

ICD-10-CM code N46.121

Code: N46.121 (claims format: N46121)
Description: Oligospermia due to drug therapy
Billable: Yes – valid for HIPAA-covered transactions
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 › N46.1 › N46.12

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)

N46.1 – Oligospermia

Applicable to:

Male infertility due to germinal cell desquamation
Male infertility due to hypospermatogenesis
Male infertility due to incomplete spermatogenic arrest

N46.12 – Oligospermia due to extratesticular causes

Code also:

associated cause

Index terms for N46.121

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in N46.12

Frequently asked questions

What is ICD-10 code N46.121?

N46.121 is the ICD-10-CM code for oligospermia due to drug therapy, in the block N40-N53 (Diseases of male genital organs).

Is N46.121 a billable code?

Yes. N46.121 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N46.121 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.