2027 ICD-10-CM Diagnosis Code N49.0Inflammatory disorders of seminal vesicle

ICD-10-CM Codes›N00–N99›N40-N53›N49

ICD-10-CM N49.0
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N49.0 is a billable ICD-10-CM diagnosis code for inflammatory disorders of seminal vesicle. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 727 through 728. Coders also document this condition as abscess of seminal vesicle. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Inflammatory conditions of male genital organs.

Code Identity

ICD-10-CM Code
N49.0
Billable Status
Yes — Valid for Submission
Code Describes
Inflammatory disorders of seminal vesicle
Short Description
Inflammatory disorders of seminal vesicle
Same as the full description in the CMS dataset.
Parent Code
N49
Inflammatory disorders of male genital organs, not elsewhere classified

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN40-N53Diseases of male genital organs
CategoryN49Inflammatory disorders of male genital organs, not elsewhere classified
This CodeN49.0Inflammatory disorders of seminal vesicle

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abscess of seminal vesicle
  • Acute gonococcal seminal vesiculitis
  • Acute gonorrhea of lower genitourinary tract
  • Cellulitis of seminal vesicle
  • Chronic gonococcal seminal vesiculitis
  • Chronic gonorrhea lower genitourinary tract
  • Gonococcal seminal vesiculitis
  • Male pelvic abscess
  • Seminal vesiculitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N49.0: its own notes plus those printed at N49 and Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Vesiculitis NOS

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From N49 Inflammatory disorders of male genital organs, not elsewhere classified applies to 6 codes

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • 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)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From N49 Inflammatory disorders of male genital organs, not elsewhere classified applies to 6 codes
  • code (B95-B97), to identify infectious agent

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name N49.0, its category, or a range that includes it.

Excludes2 5

These codes carry an Excludes2 note naming N49.0: its condition is not part of those codes, and both may be reported when the patient has both.

  • L02 Cutaneous abscess, furuncle and carbuncle
    abscess of male genital organs (external) (N48.2, N49.-) names N49.-, which includes this code
  • L02.2 Cutaneous abscess, furuncle and carbuncle of trunk
    abscess of male external genital organs (N48.2, N49.-) names N49.-, which includes this code
  • L03 Cellulitis and acute lymphangitis
    cellulitis of male external genital organs (N48.2, N49.-) names N49.-, which includes this code
  • L03.31 Cellulitis of trunk
    cellulitis of male external genital organs (N48.2, N49.-) names N49.-, which includes this code
  • Block R10-R19 Symptoms and signs involving the digestive system and abdomen
    symptoms referable to male genital organs (N48-N50) names N48-N50, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR GEN013
Inflammatory conditions of male genital organs
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Penis Disorders

Problems with the penis can cause pain and affect a man's sexual function and fertility. Penis disorders include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert N49.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
608.0 Seminal vesiculitis
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N49.0Overview

What is the ICD-10 code for inflammatory disorders of seminal vesicle?

The ICD-10-CM code for inflammatory disorders of seminal vesicle is N49.0 (sometimes written as N490). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is N49.0 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report inflammatory disorders of seminal vesicle on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does N49.0 group to?

When inflammatory disorders of seminal vesicle is the principal diagnosis on an inpatient stay, it groups to MS-DRG 727, 728, with relative weights from 0.8220 to 1.3694 depending on complications. Higher weights mean higher Medicare reimbursement.

Can N49.0 be reported with N48.1?

Not as a rule. The Excludes1 note at N49, which applies to N49.0, lists "inflammation of penis (N48.1, N48.2-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

Does N49.0 need an additional code?

When the condition applies, yes. The Use Additional Code note at N49, which applies to N49.0, reads: code (B95-B97), to identify infectious agent. The additional code is reported after N49.0.