2026 ICD-10-CM Diagnosis Code L57.4Cutis laxa senilis

ICD-10-CM Codes›L00–L99›L55-L59›L57

ICD-10-CM L57.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L57.4 is a billable ICD-10-CM diagnosis code for cutis laxa senilis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 606 through 607. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified skin disorders.

Code Identity

ICD-10-CM Code
L57.4
Billable Status
Yes — Valid for Submission
Code Describes
Cutis laxa senilis
Short Description
Cutis laxa senilis
Same as the full description in the CMS dataset.
Parent Code
L57
Skin changes due to chronic exposure to nonionizing radiation

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL55-L59Radiation-related disorders of the skin and subcutaneous tissue
CategoryL57Skin changes due to chronic exposure to nonionizing radiation
This CodeL57.4Cutis laxa senilis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cutis laxa
  • Cutis laxa following hypersensitivity reaction
  • Cutis laxa following urticaria-angioedema
  • Cutis laxa senilis
  • Cutis laxa with complement deficiency
  • Cutis laxa, acquired type
  • Drug-induced cutis laxa
  • Elastosis senilis
  • Post-inflammatory cutis laxa
  • Redundant skin
  • Senile dermatosis

Tabular List NotesGuidance

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

Inclusion Terms

  • Elastosis senilis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Cutis
      • hyperelastica
        • acquired
    • Dermatolysis(exfoliativa) (congenital)
      • acquired
    • Dermatolysis(exfoliativa) (congenital)
      • senile
    • Dermatorrhexis
      • acquired
    • Elastic skin
      • acquired
    • Elastosis
      • atrophicans (senile)
    • Elastosis
      • senilis
    • Lax, laxity
      • skin (acquired)
    • Redundant, redundancy
      • skin
        • of face

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR SKN007
Other specified and unspecified skin disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Cutis Laxa

    a group of connective tissue diseases in which skin hangs in loose pendulous folds. it is believed to be associated with decreased elastic tissue formation as well as an abnormality in elastin formation. cutis laxa is usually a genetic disease, but acquired cases have been reported. (from dorland, 27th ed)

Patient EducationClinical

Connective Tissue Disorders

Your connective tissue supports many different parts of your body, such as your skin, eyes, and heart. It is like a "cellular glue" that gives your body parts their shape and helps keep them strong. It also helps some of your tissues do their work. It is made of many kinds of proteins. Cartilage and fat are types of connective tissue.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert L57.4 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
701.8 Skin hypertro/atroph NEC
Approximate The match is approximate rather than exact.

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 L57.4Overview

Is L57.4 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report cutis laxa senilis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does L57.4 group to?

When cutis laxa senilis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 606, 607, with relative weights from 0.9064 to 1.5132 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of L57.4?

Under the General Equivalence Mappings, cutis laxa senilis converts to ICD-9-CM 701.8 (skin hypertro/atroph NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.