2026 ICD-10-CM Diagnosis Code L58Radiodermatitis

ICD-10-CM CodesL00–L99L55-L59L58

ICD-10-CM L58
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L58 is a non-billable ICD-10-CM category code for radiodermatitis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as L58.0, L58.1, and L58.9.

Code Identity

ICD-10-CM Code
L58
Billable Status
No — Non-Billable Category
Code Describes
Radiodermatitis
Chapter
L55-L59
Radiation-related disorders of the skin and subcutaneous tissue

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL55-L59Radiation-related disorders of the skin and subcutaneous tissue
CategoryL58Radiodermatitis
This CodeL58Radiodermatitis

Specific Coding for RadiodermatitisOverview

Non-specific codes like L58 require more characters. Use one of these billable codes instead:

  • Use L58.0 for Acute radiodermatitis

  • Use L58.1 for Chronic radiodermatitis

  • Use L58.9 for Radiodermatitis, unspecified

Tabular List NotesGuidance

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

Use Additional Code

  • code to identify the source of the radiation W88 W90

Clinical InformationClinical

  • Radiodermatitis

    a cutaneous inflammatory reaction occurring as a result of exposure to ionizing radiation.

Patient EducationClinical

Radiation Exposure

Radiation is energy. It travels in the form of energy waves or high-speed particles. Radiation can occur naturally or be man-made. There are two types:

The full article covers:

  • What is radiation?
  • What are the sources of radiation exposure?
  • What are the health effects of radiation exposure?
  • What are the treatments for acute radiation sickness?
  • How can radiation exposure be prevented?

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 L58Overview

Is L58 (Radiodermatitis) a billable code?

No. This is a category header that groups the codes for radiodermatitis, and headers cannot be submitted on claims. Claims for radiodermatitis need a more specific code from this category, such as L58.0, L58.1, and L58.9.