2026 ICD-10-CM Diagnosis Code L73Other follicular disorders

ICD-10-CM Codes›L00–L99›L60-L75›L73

ICD-10-CM L73
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L73 is a non-billable ICD-10-CM category code for other follicular disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as L73.0, L73.1, L73.2, and L73.8.

Code Identity

ICD-10-CM Code
L73
Billable Status
No — Non-Billable Category
Code Describes
Other follicular disorders
Chapter
L60-L75
Disorders of skin appendages

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL60-L75Disorders of skin appendages
CategoryL73Other follicular disorders
This CodeL73Other follicular disorders

Specific Coding for Other follicular disordersOverview

Non-specific codes like L73 require more characters. Use one of these billable codes instead:

  • Use L73.0 for Acne keloid

  • Use L73.1 for Pseudofolliculitis barbae

  • Use L73.2 for Hidradenitis suppurativa

  • Use L73.8 for Other specified follicular disorders

  • Use L73.9 for Follicular disorder, unspecified

Patient EducationClinical

Skin Conditions

Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:

The full article covers:

  • What does your skin do?
  • What problems and conditions can affect your skin?
  • How can I keep my skin healthy?

Read the full article at MedlinePlus

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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 L73Overview

Is L73 (Other follicular disorders) a billable code?

No. This is a category header that groups the codes for other follicular disorders, and headers cannot be submitted on claims. Claims for other follicular disorders need a more specific code from this category, such as L73.0, L73.1, and L73.2.