Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesOther disorders of the skin and subcutaneous tissueICD-10-CM l85-other-epidermal-thickening
    Ask Trek AI about this page

    ICD-10-CM Code For Other Epidermal Thickening: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L85 includes disorders of epidermal thickening such as hyperkeratosis, keratoderma, and related localized or diffuse epidermal overgrowths that affect the skin surface. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving abnormal epidermal thickening, capturing disease distribution, chronicity, and associated complications such as fissures or infections. Accurate coding within the ICD-10-CM L85 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

    Customize your policy alerts

    Sign up for ICD-10-CM Code For Other Epidermal Thickening: Group Overview policy alerts

    Get alerted when relevant policies change without checking for updates manually.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    ICD-10-CM L85: Other Epidermal Thickening Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM L85) group covers disorders characterized by abnormal thickening of the epidermis, including conditions such as localized or diffuse hyperkeratosis and corns. These diagnoses affect the skin and subcutaneous tissue and may reflect chronic mechanical stress, genetic disorders, or reactive processes. Accurate coding ensures that clinical severity and resource use are documented, supporting appropriate reimbursement and continuity of care.

    Table of contents

    Progress1 / 6

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    When to Use

    Use a code from this group when clinical documentation identifies epidermal thickening such as localized hyperkeratotic lesions, generalized keratoderma, or related epidermal changes. Select the code that most precisely reflects the lesion type, anatomic location, and any specified complications noted in the record.

    ICD-10-CM Codes

    6 rows

    ICD-10-CM CodeDescription
    L85.0Acquired ichthyosis
    L85.1Acquired keratosis [keratoderma] palmaris et plantaris
    L85.2Keratosis punctata (palmaris et plantaris)
    L85.3Xerosis cutis
    L85.8Other specified epidermal thickening
    L85.9Epidermal thickening, unspecified

    DRG Codes

    2 rows

    DRG CodeDescription
    606Minor Skin Disorders with MCC
    607Minor Skin Disorders without MCC

    Typical Clinical Scenarios

    • An elderly patient presents to dermatology with slowly progressive, asymptomatic, hyperkeratotic, white-to-gray plaques on the dorsal hands and extensor forearms noticed over months; clinical exam and history suggest chronic callous-like thickening and localized hyperkeratosis without signs of inflammation or infection, prompting assignment of a code for acquired epidermal thickening of localized areas. Typical codes: L85.2, L85.3
    • A middle-aged patient with long-standing systemic sclerosis is admitted for evaluation of skin changes and is found to have widespread areas of indurated, waxy, thickened epidermis with sclerotic features and associated functional limitation; the clinician documents epidermal thickening as part of the underlying connective tissue disease and assigns a code reflecting diffuse epidermal/dermal thickening where appropriate. Typical codes: L85.1, L85.8
    • A pediatric patient is evaluated in urgent care for acute painful fissuring and marked hyperkeratosis of the palms after several days of contact with an irritant; the provider documents an acute exacerbation of epidermal thickening with fissures and prescribes topical therapy, assigning a code for acute, localized epidermal hyperkeratosis or keratoderma. Typical codes: L85.0, L85.9}

    Related Codes

    L80-VITILIGO

    ICD-10-CM Code For Vitiligo: Group Overview

    L81-OTHER-DISORDERS-OF-PIGMENTATION

    ICD-10-CM Code For Other Disorders Of Pigmentation: Group Overview

    L82-SEBORRHEIC-KERATOSIS

    ICD-10-CM Code For Seborrheic Keratosis: Group Overview

    L83-ACANTHOSIS-NIGRICANS

    ICD-10-CM Code For Acanthosis Nigricans: Group Overview

    L84-CORNS-AND-CALLOSITIES

    ICD-10-CM Code For Corns And Callosities: Group Overview

    L86-KERATODERMA-IN-DISEASES-CLASSIFIED-ELSEWHERE

    ICD-10-CM Code For Keratoderma In Diseases Classified Elsewhere: Group Overview

    L87-TRANSEPIDERMAL-ELIMINATION-DISORDERS

    ICD-10-CM Code For Transepidermal Elimination Disorders: Group Overview

    L88-PYODERMA-GANGRENOSUM

    ICD-10-CM Code For Pyoderma Gangrenosum: Group Overview

    L89-PRESSURE-ULCER

    ICD-10-CM Code For Pressure Ulcer: Group Overview

    L90-ATROPHIC-DISORDERS-OF-SKIN

    ICD-10-CM Code For Atrophic Disorders Of Skin: Group Overview

    Showing 1–10 of 18

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
    Published by

    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.