2026 ICD-10-CM Diagnosis Code L28Lichen simplex chronicus and prurigo

ICD-10-CM Codes›L00–L99›L20-L30›L28

ICD-10-CM L28
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L28 is a non-billable ICD-10-CM category code for lichen simplex chronicus and prurigo, so it cannot be submitted on claims. Use a more specific code from this category instead, such as L28.0, L28.1, and L28.2.

Code Identity

ICD-10-CM Code
L28
Billable Status
No — Non-Billable Category
Code Describes
Lichen simplex chronicus and prurigo
Chapter
L20-L30
Dermatitis and eczema

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL20-L30Dermatitis and eczema
CategoryL28Lichen simplex chronicus and prurigo
This CodeL28Lichen simplex chronicus and prurigo

Specific Coding for Lichen simplex chronicus and prurigoOverview

Non-specific codes like L28 require more characters. Use one of these billable codes instead:

  • Use L28.0 for Lichen simplex chronicus

  • Use L28.1 for Prurigo nodularis

  • Use L28.2 for Other prurigo

Patient EducationClinical

Itching

Itching is an irritating sensation that makes you want to scratch your skin. Sometimes it can feel like pain, but it is different. Often, you feel itchy in one area in your body, but sometimes you may feel itching all over. Along with the itching, you may also have a rash or hives.

The full article covers:

  • What is itching?
  • What causes itching?
  • What are the treatments for itching?

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 L28Overview

Is L28 (Lichen simplex chronicus and prurigo) a billable code?

No. This is a category header that groups the codes for lichen simplex chronicus and prurigo, and headers cannot be submitted on claims. Claims for lichen simplex chronicus and prurigo need a more specific code from this category, such as L28.0, L28.1, and L28.2.