2026 ICD-10-CM Diagnosis Code L74Eccrine sweat disorders

ICD-10-CM Codes›L00–L99›L60-L75›L74

ICD-10-CM L74
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L74 is a non-billable ICD-10-CM category code for eccrine sweat disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as L74.0, L74.1, L74.2, and L74.3.

Code Identity

ICD-10-CM Code
L74
Billable Status
No — Non-Billable Category
Code Describes
Eccrine sweat disorders
Chapter
L60-L75
Disorders of skin appendages

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL60-L75Disorders of skin appendages
CategoryL74Eccrine sweat disorders
This CodeL74Eccrine sweat disorders

Specific Coding for Eccrine sweat disordersOverview

Non-specific codes like L74 require more characters. Use one of these billable codes instead:

  • Use L74.0 for Miliaria rubra

  • Use L74.1 for Miliaria crystallina

  • Use L74.2 for Miliaria profunda

  • Use L74.3 for Miliaria, unspecified

  • Use L74.4 for Anhidrosis

  • L74.5 for Focal hyperhidrosis

  • L74.51 for Primary focal hyperhidrosis

  • Use L74.52 for Secondary focal hyperhidrosis

  • Use L74.8 for Other eccrine sweat disorders

  • Use L74.9 for Eccrine sweat disorder, unspecified

Tabular List NotesGuidance

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

Type 2 Excludes

  • generalized hyperhidrosis R61

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

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 L74Overview

Is L74 (Eccrine sweat disorders) a billable code?

No. This is a category header that groups the codes for eccrine sweat disorders, and headers cannot be submitted on claims. Claims for eccrine sweat disorders need a more specific code from this category, such as L74.0, L74.1, and L74.2.