ICD-10 Code for Didymytis
The ICD-10-CM code for didymytis is N45.1 — Epididymitis. This is the code the Alphabetic Index gives for didymytis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which didymytis code should you use?
The Alphabetic Index lists 2 codes under Didymytis. 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.
By type
| with orchitis | N45.3 | Epididymo-orchitis |
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