ICD-10-CM Alphabetic Index · FY 2026 8 Entries

Oligospermia in the ICD-10-CM Index ICD-10-CM

The main term Oligospermia carries 8 index entries pointing to 7 ICD-10-CM codes. The default entry is N46.11, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
8
Index Entries
7
Codes Referenced
N46.11
Default Code
O
Letter
8 of 8 shown
ICD-10-CM

Index Entries Under Oligospermia 8 entries · 7 codes

Oligospermia N46.11
due to
drug therapy N46.121
efferent duct obstruction N46.123
infection N46.122
radiation N46.124
specified cause NEC N46.129
systemic disease N46.125

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Related Index Terms

All index terms starting with OIndex to Diseases and InjuriesICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.