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    v1.0.28
    OpenPayerBilling CodesRadiation-related disorders of the skin and subcutaneous tissueICD-10-CM l57-skin-changes-due-to-nonionizing-radiation
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    ICD-10-CM Code For Skin Changes Due To Chronic Exposure To Nonionizing Radiation: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L57 includes chronic skin changes related to nonionizing radiation exposure, such as actinic keratosis, actinic elastosis, and chronic radiodermatitis. These ICD-10-CM diagnosis codes are used to document environmental or occupational skin injury, capturing lesion type, chronicity, and extent of skin involvement relevant to this group. Accurate coding within the ICD-10-CM L57 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM L57: Skin Changes Due To Chronic Exposure To Nonionizing Radiation Overview

    This group represents skin and subcutaneous tissue disorders caused by prolonged exposure to nonionizing radiation, including ultraviolet light and other sources. It targets radiation-related cutaneous changes such as actinic damage and chronic radiodermatitis affecting the integumentary system. Accurate coding matters for proper documentation of environmental or occupational etiologies and supports appropriate reimbursement for related treatment services.

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    When to Use

    Use a code from this group when documenting skin conditions attributable to long-term nonionizing radiation exposure, such as actinic keratosis, actinic elastosis, or chronic radiodermatitis. Select the specific code that best reflects the clinical findings, chronicity, and any specified anatomic site or severity documented in the medical record.

    ICD-10-CM Codes

    8 rows

    ICD-10-CM CodeDescription
    L57.0Actinic keratosis
    L57.1Actinic reticuloid
    L57.2Cutis rhomboidalis nuchae
    L57.3Poikiloderma of Civatte
    L57.4Cutis laxa senilis
    L57.5Actinic granuloma
    L57.8Other skin changes due to chronic exposure to nonionizing radiation
    L57.9Skin changes due to chronic exposure to nonionizing radiation, unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    606Minor Skin Disorders with MCC
    607Minor Skin Disorders without MCC
    795Normal Newborn

    Typical Clinical Scenarios

    • A middle-aged outdoor construction worker presents to occupational medicine with slowly progressive thickening and scaling of sun-exposed forearms and face over several years, reporting chronic daily UV exposure and intermittent sunburns. The clinician documents non-malignant skin changes attributable to chronic ultraviolet radiation and assigns a code reflecting actinic damage without malignancy. Typical codes: L57.0, L57.4
    • An elderly patient with a history of prolonged phototherapy for a chronic dermatologic condition develops localized areas of atrophy and pigment change within treated skin, now causing discomfort and cosmetic concern; the dermatologist evaluates for long-term radiation-related skin injury. A code denoting chronic radiation-related skin change from nonionizing sources is used to capture the treatment-induced skin alteration. Typical codes: L57.1, L57.8
    • A young adult presents to the urgent care center with a painful blistering eruption and erythema on the hands and face hours after intense sun exposure during a weekend outdoor event; the clinician documents an acute phototoxic reaction on top of underlying chronic sun-damaged skin. Both an acute sunburn/phototoxic injury code and a code for chronic actinic skin change are considered to represent the acute presentation with background chronic exposure. Typical codes: L57.3, L57.5

    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

    L58-RADIODERMATITIS

    ICD-10-CM Code For Radiodermatitis: 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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