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ICD-10-CM Code N45.1

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Male Only
Male Only
Code is only used for male patients.
| ICD-10 from 2011 - 2016

N45.1 is a billable ICD code used to specify a diagnosis of epididymitis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code N45 is used to code Orchitis

Orchitis /ˌɔːrˈkaɪtɪs/ or orchiditis /ˌɔːrkɪˈdaɪtɪs/ (from the Ancient Greek ὄρχις meaning "testicle"; same root as orchid) is inflammation of the testes. It can also involve swelling, heavy pains and frequent infection, and is more rarely known as didymitis (as in epididymis).

Specialty: Urology
MeSH Code: D009920
ICD 9 Code: 604
Source: Wikipedia

MS-DRG Mapping

  • DRG Group #727-728 - Inflammation of the male reproductive system with MCC.
  • DRG Group #727-728 - Inflammation of the male reproductive system without MCC.

Coding Advice SNOMET-CT

  • Consider additional code to identify specific condition or disease

ICD-10-CM Alphabetical Index References for 'N45.1 - Epididymitis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code N45.1. Click on any term below to browse the alphabetical index.

Periepididymitis (N45.1)
Epididymitis(acute) (nonvenereal) (recurrent) (residual) (N45.1)
Didymytis (N45.1)


Orchitis and epididymitis, unspecified (approximate match)
Other orchitis, epididymitis, and epididymo-orchitis, without mention of abscess (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code N45.1 and a single ICD9 code, 604.99 is an approximate match for comparison and conversion purposes.

Parent Code: N45 - Orchitis and epididymitis

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/N451