ICD-10 Code for Oligospermia
The ICD-10-CM code for oligospermia is N46.11 — Organic oligospermia. This is the code the Alphabetic Index gives for oligospermia with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which oligospermia code should you use?
The Alphabetic Index lists 7 codes under Oligospermia. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
Oligospermia due to
| drug therapy | N46.121 | Oligospermia due to drug therapy | |
| efferent duct obstruction | N46.123 | Oligospermia due to obstruction of efferent ducts | |
| infection | N46.122 | Oligospermia due to infection | |
| radiation | N46.124 | Oligospermia due to radiation | |
| specified cause NEC | N46.129 | Oligospermia due to other extratesticular causes | |
| systemic disease | N46.125 | Oligospermia due to systemic disease |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources