2026 ICD-10-CM Diagnosis Code L02.227Furuncle of flank

ICD-10-CM Codes›L00–L99›L00-L08›L02

ICD-10-CM L02.227
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L02.227 is a billable ICD-10-CM diagnosis code for furuncle of flank. 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.

Code Identity

ICD-10-CM Code
L02.227
Billable Status
Yes — Valid for Submission
Code Describes
Furuncle of flank
Short Description
Furuncle of flank
Same as the full description in the CMS dataset.
Parent Code
L02.22
Furuncle 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 CodeL02.227Furuncle of flank

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Furuncle
      • flank

Code History & ChangesHistory

New Code L02.227 was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.

Replacement L02.227 replaces the following previously assigned code(s):

  • L02.222 - Furuncle of back [any part, except buttock and flank]
  • L02.222 - Furuncle of back [any part, except buttock]
FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentRevised in the current code setEffective October 1, 2025 through September 30, 2026.

Questions About L02.227Overview

Is L02.227 (Furuncle of trunk) a billable code?

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

What MS-DRG does L02.227 group to?

When furuncle of flank 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.