L02.4

Non-Billable
ChapterL00–L99
Ranksubcategory
Official Description

Cutaneous abscess, furuncle and carbuncle of limb

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99).

Instructional Notes

Excludes2(Not included here)
  • Cutaneous abscess, furuncle and carbuncle of groin (L02.214, L02.224, L02.234)
  • Cutaneous abscess, furuncle and carbuncle of hand (L02.5-)
  • Cutaneous abscess, furuncle and carbuncle of foot (L02.6-)
General instructions are available for the parent sections:
View CH12 NotesView L00-L08 NotesView L02 Notes

Clinical Hierarchy

CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L00-L08Infections of the skin and subcutaneous tissue (L00-L08)
L02Cutaneous abscess, furuncle and carbuncle
L02.4Cutaneous abscess, furuncle and carbuncle of limb
L02.41Cutaneous abscess of limb
L02.42Furuncle of limb
L02.43Carbuncle of limb

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L02.4:

categoryL02
Cutaneous abscess, furuncle and carbuncle
View context instructions
blockL00-L08
Infections of the skin and subcutaneous tissue (L00-L08)
View context instructions
chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to L02.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)3 unique routes
axilla (region)→L02.4
lower limb→L02.4
upper
limb→L02.4
Carbuncle3 unique routes
axilla→L02.4
lower limb→L02.4
upper limb→L02.4
Furuncle3 unique routes
axilla (region)→L02.4
lower limb→L02.4
upper limb→L02.4

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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