2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Lichen simplex chronicus and prurigo
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L28: its own notes plus those printed at block L20-L30 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block L20-L30 Dermatitis and eczema applies to 74 codes
  • chronic (childhood) granulomatous disease (D71-)
  • dermatitis gangrenosa (L08.0)
  • dermatitis herpetiformis (L13.0)
  • dry skin dermatitis (L85.3)
  • factitial dermatitis (L98.1)
  • perioral dermatitis (L71.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
  • stasis dermatitis (I87.2)
From Chapter 12 (L00-L99) Diseases of the skin and subcutaneous tissue applies to 1,001 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Notes

General instructions on how these codes are used.

From Block L20-L30 Dermatitis and eczema applies to 74 codes
  • In this block the terms dermatitis and eczema are used synonymously and interchangeably.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About L28Overview

What is the ICD-10 code for lichen simplex chronicus and prurigo?

L28 is the ICD-10-CM category for lichen simplex chronicus and prurigo, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.