ICD-10-CM 2027
ICD-10 code for testis abscess
From the official ICD-10-CM alphabetic index entry “Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › testis”. Page updated September 29, 2026.
About coding testis abscess
The ICD-10-CM code for testis abscess is N45.4 (Abscess of epididymis or testis).
Within N45 (orchitis and epididymitis), N45.4 is specifically for abscess of epididymis or testis. Related codes cover epididymitis (N45.1), orchitis (N45.2) and epididymo-orchitis (N45.3).
Use an additional code (B95-B97), to identify infectious agent.
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about testis abscess ICD-10 codes
What is the ICD-10 code for testis abscess?
- N45.4 — Abscess of epididymis or testis.
Is N45.4 billable?
- Yes. N45.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can N45.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict N45.4 as a principal diagnosis.
Is N45.4 a CC or MCC?
- N45.4 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.