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    v1.0.28
    OpenPayerBilling CodesRadiation-related disorders of the skin and subcutaneous tissueICD-10-CM l58-radiodermatitis
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    ICD-10-CM Code For Radiodermatitis: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L58 includes radiation-related disorders of the skin and subcutaneous tissue, such as acute and chronic radiation dermatitis and radiodermatitis with varying severity and complications. These ICD-10-CM diagnosis codes are used to document clinical scenarios including localized skin injury from therapeutic or accidental radiation exposure, capturing disease severity, tissue involvement, and any associated ulceration or necrosis. Accurate coding within the ICD-10-CM L58 group supports appropriate claim adjudication, complete clinical documentation, and correct reimbursement for services related to management of radiation-induced skin injury.

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    ICD-10-CM L58: Radiodermatitis Overview

    The diagnoses in this group represent acute and chronic skin and subcutaneous tissue reactions caused by ionizing radiation exposure, commonly occurring after therapeutic radiation. These conditions target the integumentary system and can range from mild erythema to severe ulceration and necrosis. Accurate coding matters for proper clinical documentation and supports reimbursement by clearly conveying severity and treatment complexity.

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    When to Use

    Use a code from this group when documenting skin or subcutaneous tissue damage directly attributable to therapeutic or accidental radiation exposure. Select codes that reflect the severity, chronicity, and any complications such as ulceration or secondary infection.

    ICD-10-CM Codes

    3 rows

    ICD-10-CM CodeDescription
    L58.0Acute radiodermatitis
    L58.1Chronic radiodermatitis
    L58.9Radiodermatitis, unspecified

    DRG Codes

    2 rows

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

    Typical Clinical Scenarios

    • An adult undergoing external beam radiotherapy for head and neck squamous cell carcinoma presents mid-treatment with sharply demarcated erythema, tenderness, and superficial desquamation limited to the radiation port. The radiation oncologist documents acute inflammatory changes attributable to recent fractionated ionizing radiation exposure and treats symptomatically while continuing planned therapy; a radiation-related skin disorder code is assigned for the acute reaction. Typical codes: L58.0
    • A middle-aged breast cancer survivor several months after completing adjuvant chest wall radiotherapy reports persistent thin, hypopigmented, and telangiectatic skin with intermittent pruritus and occasional breakdown in the previously irradiated field. Because the changes are ongoing and related to prior therapeutic radiation rather than an active infection or dermatitis from another cause, a chronic radiation-induced skin condition code is used to capture the lasting treatment effect. Typical codes: L58.1
    • An elderly patient with nonmelanoma skin cancer treated with palliative radiotherapy presents to the emergency department with full-thickness skin ulceration and necrosis within the irradiated area, associated with pain and secondary cellulitis requiring wound care and antibiotics. The clinician documents a severe radiation-associated skin necrosis as a complication of prior radiation therapy and assigns a code indicating an unspecified radiation-related skin disorder when a more specific chronic/acute distinction cannot be made. Typical codes: L58.9

    Related Codes

    L55-SUNBURN

    ICD-10-CM Code For Sunburn: Group Overview

    L56-OTHER-ACUTE-SKIN-CHANGES

    ICD-10-CM Code For Other Acute Skin Changes Due To Ultraviolet Radiation: Group Overview

    L57-SKIN-CHANGES-DUE-TO-NONIONIZING-RADIATION

    ICD-10-CM Code For Skin Changes Due To Chronic Exposure To Nonionizing Radiation: Group Overview

    L59-RADIATION-RELATED-SKIN-DISORDERS

    ICD-10-CM Code For Other Disorders Of Skin And Subcutaneous Tissue Related To Radiation: Group Overview

    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.
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