2027 ICD-10-CM Diagnosis Code N49.1Inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens

ICD-10-CM Codes›N00–N99›N40-N53›N49

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

N49.1 is a billable ICD-10-CM diagnosis code for inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Inflammatory conditions of male genital organs.

Code Identity

ICD-10-CM Code
N49.1
Billable Status
Yes — Valid for Submission
Code Describes
Inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens
Short Description
Inflam disorders of sperm cord, tunica vaginalis and vas def
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 CodeN49.1Inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abscess of spermatic cord
  • Abscess of testis
  • Abscess of tunica vaginalis
  • Abscess of vas deferens
  • Boil of tunica vaginalis
  • Boil of vas deferens
  • Carbuncle of spermatic cord
  • Carbuncle of tunica vaginalis
  • Carbuncle of vas deferens
  • Cellulitis of spermatic cord
  • Cellulitis of vas deferens
  • Fibrosis of spermatic cord
  • Furuncle of male genital
  • Infection and fibrosis of spermatic cord remnant
  • Infection of spermatic cord
  • Infective orchitis
  • Inflammation of spermatic cord
  • Inflammation of tunica vaginalis
  • Inflammation of vas deferens
  • Proliferative vasitis nodosa
  • Vasitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N49.1: 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.

  • Vasitis

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 N49.1, its category, or a range that includes it.

Excludes2 5

These codes carry an Excludes2 note naming N49.1: 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 N49.1 to ICD-9-CMHistory

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

ICD-9-CM
608.4 Male gen inflam dis NEC
Approximate The match is approximate rather than exact.

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 N49.1Overview

Is N49.1 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does N49.1 group to?

When inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens 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 N49.1 be reported with N48.1?

Not as a rule. The Excludes1 note at N49, which applies to N49.1, 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 N49.1 need an additional code?

When the condition applies, yes. The Use Additional Code note at N49, which applies to N49.1, reads: code (B95-B97), to identify infectious agent. The additional code is reported after N49.1.

What is the ICD-9 equivalent of N49.1?

Under the General Equivalence Mappings, inflammatory disorders of spermatic cord, tunica vaginalis and vas deferens converts to ICD-9-CM 608.4 (male gen inflam dis NEC). The mapping is approximate, so confirm the match fits the documentation.