604.90 ORCHITIS/EPIDIDYMIT NOS


Code Information

Diagnosis Code: 604.90

Short Description: Orchitis/epididymit NOS

Long Description: Orchitis and epididymitis, unspecified

Code Classification:

  • Diseases of the genitourinary system (580–629)
    • Diseases of male genital organs (600-608)
      • 604 Orchitis and epididymitis
        • 604.90 Orchitis/epididymit NOS

This code is valid for diagnoses for males only

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 604.90 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Didymitis (see also Epididymitis) 604.90
  • Epididymitis (nonvenereal) 604.90
    • with abscess 604.0
    • acute 604.99
    • blennorrhagic (acute) 098.0
      • chronic or duration of 2 months or over 098.2
    • caseous (see also Tuberculosis) 016.4
    • chlamydial 099.54
    • diphtheritic 032.89 [604.91]
    • filarial 125.9 [604.91]
    • gonococcal (acute) 098.0
      • chronic or duration of 2 months or over 098.2
    • recurrent 604.99
    • residual 604.99
    • syphilitic 095.8 [604.91]
    • tuberculous (see also Tuberculosis) 016.4
  • Epididymo-orchitis (see also Epididymitis) 604.90
    • with abscess 604.0
    • chlamydial 099.54
    • gonococcal (acute) 098.13
      • chronic or duration of 2 months or over 098.33
  • Furuncle 680.9
    • testis 604.90
  • Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
    • orchitis 604.90
  • Infection, infected, infective (opportunistic) 136.9
    • testis (see also Orchitis) 604.90
  • Inflammation, inflamed, inflammatory (with exudation)
    • testis (see also Orchitis) 604.90
  • Orchitis (nonspecific) (septic) 604.90
    • with abscess 604.0
    • blennorrhagic (acute) 098.13
      • chronic or duration of 2 months or over 098.33
    • diphtheritic 032.89 [604.91]
    • filarial 125.9 [604.91]
    • gangrenous 604.99
    • gonococcal (acute) 098.13
      • chronic or duration of 2 months or over 098.33
    • mumps 072.0
    • parotidea 072.0
    • suppurative 604.99
    • syphilitic 095.8 [604.91]
    • tuberculous (see also Tuberculosis) 016.5 [608.81]
  • Periepididymitis (see also Epididymitis) 604.90
  • Periorchitis (see also Orchitis) 604.90

Crosswalk Information

The code 604.90 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
604.90 Right Arrow N45.1 Epididymitis
N45.2 Orchitis
N45.3 Epididymo-orchitis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
604.0 Orchitis, epididymitis, and epididymo-orchitis, with abscess
604.91 Orchitis and epididymitis in diseases classified elsewhere
604.99 Other orchitis, epididymitis, and epididymo-orchitis, without mention of abscess


This page was last updated on: 10/1/2014