ICD-10-CM Codes
N00-N99 Diseases of the genitourinary system
N40-N53 Diseases of male genital organs
N45- Orchitis and epididymitis

2020 ICD-10-CM Diagnosis Code N45.4

Abscess of epididymis or testis

2016

2017

2018

2019

2020

Billable/Specific Code

Male Dx

N45.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM N45.4 became effective on October 1, 2019.
This is the American ICD-10-CM version of N45.4 - other international versions of ICD-10 N45.4 may differ.

ICD-10-CM Coding Rules

N45.4 is applicable to male patients.

The following code(s) above N45.4 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to N45.4:

N00-N99
2020 ICD-10-CM Range N00-N99
Diseases of the genitourinary system
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Diseases of the genitourinary system
N45
ICD-10-CM Diagnosis Code N45
Orchitis and epididymitis
Use Additional
- code (B95-B97), to identify infectious agent.
Orchitis and epididymitis

Approximate Synonyms

Abscess of testicle
Abscess of testis
Epididymitis with abscess
Epididymo-orchitis with abscess
Epididymoorchitis with abscess

ICD-10-CM N45.4 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

727 Inflammation of the male reproductive system with mcc
728 Inflammation of the male reproductive system without mcc

Convert N45.4 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to N45.4:

Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
ICD-10-CM Diagnosis Code L02.91
Cutaneous abscess, unspecified
- epididymis N45.4
- testis N45.4

ICD-10-CM Codes Adjacent To N45.4

N44.02 Intravaginal torsion of spermatic cord

N44.03 Torsion of appendix testis

N44.04 Torsion of appendix epididymis

N44.1 Cyst of tunica albuginea testis

N44.2 Benign cyst of testis

N44.8 Other noninflammatory disorders of the testis

N45 Orchitis and epididymitis

N45.1 Epididymitis

N45.2 Orchitis

N45.3 Epididymo-orchitis

N45.4 Abscess of epididymis or testis

N46 Male infertility

N46.0 Azoospermia

N46.01 Organic azoospermia

N46.02 Azoospermia due to extratesticular causes

N46.021 Azoospermia due to drug therapy

N46.022 Azoospermia due to infection

N46.023 Azoospermia due to obstruction of efferent ducts

N46.024 Azoospermia due to radiation

N46.025 Azoospermia due to systemic disease

N46.029 Azoospermia due to other extratesticular causes

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2020 ICD-10-CM Diagnosis Code N45.4

Abscess of epididymis or testis

Diseases of the genitourinary system

Orchitis and epididymitis

Cutaneous abscess, unspecified