2026 ICD-10-CM Diagnosis Code L01Impetigo

ICD-10-CM Codes›L00–L99›L00-L08›L01

ICD-10-CM L01
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L01 is a non-billable ICD-10-CM category code for impetigo, so it cannot be submitted on claims. Use a more specific code from this category instead, such as L01.00, L01.01, L01.02, and L01.03.

Code Identity

ICD-10-CM Code
L01
Billable Status
No — Non-Billable Category
Code Describes
Impetigo
Chapter
L00-L08
Infections of the skin and subcutaneous tissue

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL00-L08Infections of the skin and subcutaneous tissue
CategoryL01Impetigo
This CodeL01Impetigo

Specific Coding for ImpetigoOverview

Non-specific codes like L01 require more characters. Use one of these billable codes instead:

  • L01.0 for Impetigo

  • Use L01.00 for Impetigo, unspecified

  • Use L01.01 for Non-bullous impetigo

  • Use L01.02 for Bockhart's impetigo

  • Use L01.03 for Bullous impetigo

  • Use L01.09 for Other impetigo

  • Use L01.1 for Impetiginization of other dermatoses

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • impetigo herpetiformis L40.1

Clinical InformationClinical

  • Impetigo

    a common superficial bacterial infection caused by staphylococcus aureus or group a beta-hemolytic streptococci. characteristics include pustular lesions that rupture and discharge a thin, amber-colored fluid that dries and forms a crust. this condition is commonly located on the face, especially about the mouth and nose.

  • Staphylococcus aureus

    potentially pathogenic bacteria found in nasal membranes, skin, hair follicles, and perineum of warm-blooded animals. they may cause a wide range of infections and intoxications.

  • Impetigo

    a contagious bacterial cutaneous infection that affects children and is usually caused by staphylococcus aureus. it usually presents in the face with honey colored scabs.

Patient EducationClinical

Impetigo

Impetigo is a skin infection caused by bacteria. It is usually caused by staphylococcal (staph) bacteria, but it can also be caused by streptococcal (strep) bacteria. It is most common in children between the ages of two and six. It usually starts when bacteria get into a break in the skin, such as a cut, scratch, or insect bite.

Read the full article at MedlinePlus

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

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 L01Overview

Is L01 (Impetigo) a billable code?

No. This is a category header that groups the codes for impetigo, and headers cannot be submitted on claims. Claims for impetigo need a more specific code from this category, such as L01.00, L01.01, and L01.02.