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    v1.0.30
    OpenPayerBilling CodesOther disorders of the skin and subcutaneous tissueICD-10-CM l93-lupus-erythematosus
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    ICD-10-CM Code For Lupus Erythematosus: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L93 includes cutaneous forms of lupus erythematosus such as discoid lupus, subacute cutaneous lupus, and other localized lupus skin disorders that may occur with or without systemic involvement. These ICD-10-CM diagnosis codes are used to document dermatologic manifestations of autoimmune lupus, capturing disease distribution, lesion type, and clinical complexity relevant to skin involvement. Accurate coding within the ICD-10-CM L93 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM L93: Lupus Erythematosus Overview

    The ICD-10-CM L93 group includes cutaneous and related forms of lupus erythematosus, a set of autoimmune conditions that primarily affect the skin but may reflect systemic autoimmune activity. These diagnoses target dermatologic manifestations such as discoid lesions, subacute cutaneous lupus, and other lupus-specific skin findings. Accurate coding matters for correct clinical documentation and supports appropriate reimbursement by reflecting disease severity and treatment needs.

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    When to Use

    Use a code from this group when documenting primary dermatologic lupus presentations such as chronic discoid lesions, photosensitive annular or papulosquamous eruptions, or other lupus-specific cutaneous findings. Assign the most specific code available to reflect lesion type, distribution, and any noted systemic association when present in the clinical record.

    ICD-10-CM Codes

    3 rows

    ICD-10-CM CodeDescription
    L93.0Discoid lupus erythematosus
    L93.1Subacute cutaneous lupus erythematosus
    L93.2Other local lupus erythematosus

    DRG Codes

    2 rows

    DRG CodeDescription
    595Major Skin Disorders with MCC
    596Major Skin Disorders without MCC

    Typical Clinical Scenarios

    • A 28-year-old woman with a several-month history of photosensitive rash over the cheeks and bridge of the nose, central facial atrophy, and occasional scaly plaques presents to dermatology for evaluation after topical treatments failed. Clinical exam shows well-demarcated erythematous discoid plaques with follicular plugging and scarring; a skin biopsy confirms discoid lupus erythematosus, prompting assignment of a localized chronic cutaneous lupus code. Typical codes: L93.0
    • A 45-year-old man presents to the urgent care clinic with a rapidly expanding, painful erythematous plaque on the scalp associated with hair loss and crusting after recent systemic symptoms; dermatology suspects subacute cutaneous lupus given widespread annular lesions and photosensitivity. Because the presentation is more widespread and subacute with serologic correlation, a subacute cutaneous lupus diagnosis is assigned to guide further workup. Typical codes: L93.1
    • A 60-year-old patient with known systemic lupus erythematosus is seen for chronic widespread skin changes characterized by atrophic, telangiectatic, and scarred lesions consistent with chronic cutaneous lupus occurring as a comorbidity of systemic disease; the skin findings are the primary reason for the dermatology visit and impact management decisions. In this context a diagnosis reflecting chronic or other localized cutaneous lupus is assigned to capture the skin disorder as a comorbid dermatologic condition. Typical codes: L93.2

    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

    L85-OTHER-EPIDERMAL-THICKENING

    ICD-10-CM Code For Other Epidermal Thickening: 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

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    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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