2026 ICD-10-CM Diagnosis Code L02.233Carbuncle of chest wall

ICD-10-CM Codes›L00–L99›L00-L08›L02

ICD-10-CM L02.233
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L02.233 is a billable ICD-10-CM diagnosis code for carbuncle of chest wall. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 602 through 603. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Skin and subcutaneous tissue infections.

Code Identity

ICD-10-CM Code
L02.233
Billable Status
Yes — Valid for Submission
Code Describes
Carbuncle of chest wall
Short Description
Carbuncle of chest wall
Same as the full description in the CMS dataset.
Parent Code
L02.23
Carbuncle of trunk

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL00-L08Infections of the skin and subcutaneous tissue
CategoryL02Cutaneous abscess, furuncle and carbuncle
This CodeL02.233Carbuncle of chest wall

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Carbuncle of chest wall
  • Carbuncle of pectoral region

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 SKN001
Skin and subcutaneous tissue infections
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Skin Infections

Your skin is your body's largest organ. It has many different functions, including covering and protecting your body. It helps keep germs out. But sometimes the germs can cause a skin infection. It often happens when the germs enter your body through a break, cut, or wound on your skin.

The full article covers:

  • What are skin infections?
  • What causes skin infections?
  • Who is more likely to get a skin infection?
  • What are the symptoms of skin infections?
  • How are skin infections diagnosed?
  • How are skin infections treated?

Read the full article at MedlinePlus

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

Convert L02.233 to ICD-9-CMHistory

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

ICD-9-CM
680.2 Carbuncle of trunk
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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About L02.233Overview

What is the ICD-10 code for carbuncle of chest wall?

The ICD-10-CM code for carbuncle of chest wall is L02.233 (sometimes written as L02233). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is L02.233 (Carbuncle of trunk) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report carbuncle of chest wall on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does L02.233 group to?

When carbuncle of chest wall is the principal diagnosis on an inpatient stay, it groups to MS-DRG 602, 603, with relative weights from 0.8709 to 1.4213 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of L02.233?

Under the General Equivalence Mappings, carbuncle of chest wall converts to ICD-9-CM 680.2 (carbuncle of trunk). The mapping is approximate, so confirm the match fits the documentation.