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    OpenPayerBilling CodesUrticaria and erythemaICD-10-CM l54-erythema-in-diseases-classified-elsewhere
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    ICD-10-CM Code For Erythema In Diseases Classified Elsewhere: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L54 includes erythema manifestations occurring in the setting of other diseases, such as connective tissue disorders, infectious causes, or drug-related reactions affecting the skin. These ICD-10-CM diagnosis codes are used to document cutaneous redness and inflammation tied to underlying systemic or localized conditions, capturing the causal relationship and clinical context. Accurate coding within the ICD-10-CM L54 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM L54: Erythema In Diseases Classified Elsewhere Overview

    The ICD-10-CM L54 group includes erythema that occurs as a manifestation of other systemic or localized diseases rather than a primary skin disorder. These codes describe redness and inflammation of the skin associated with underlying conditions such as connective tissue diseases, infections, or drug reactions. Accurate coding matters for appropriate reimbursement and to reflect the relationship between dermatologic findings and the underlying diagnosis.

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    When to Use

    Use a code from this group when documentation links erythema directly to an underlying disease process or external cause rather than a primary skin disorder. Select the specific code that reflects the associated condition and the described skin manifestation.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    L54Erythema in diseases classified elsewhere

    DRG Codes

    2 rows

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

    Typical Clinical Scenarios

    • An adult patient presents to urgent care with sudden-onset widespread itchy, red, blanching patches and plaques after taking a new antibiotic earlier that day; vital signs are stable and there is no airway compromise, but the rash is pruritic and migratory. Evaluation attributes the eruption to an erythematous reaction associated with a systemic drug exposure, and a diagnosis from this group is assigned to characterize erythema occurring in the setting of another condition. Typical codes: L54
    • A middle-aged patient in dermatology clinic with a weeks-long history of persistent, symmetric erythematous patches localized to sun-exposed areas that exacerbate with ultraviolet exposure and are associated with an underlying connective tissue disease. The clinician documents erythema as a manifestation of a systemic autoimmune disorder and assigns a code from this group to capture the erythema in diseases classified elsewhere. Typical codes: L54
    • An inpatient consult is requested for a hospitalized patient who develops confluent erythematous skin changes over the trunk and extremities while being treated for a bacterial sepsis; the rash is noted as part of the systemic infectious process rather than a primary dermatologic disorder. The consult notes erythema occurring in the context of another disease process and a code from this group is recorded to indicate that association. Typical codes: L54

    Related Codes

    L49-EXFOLIATION-DUE-TO-ERYTHEMATOUS-CONDITIONS

    ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview

    L50-URTICARIA

    ICD-10-CM Code For Urticaria: Group Overview

    L51-ERYTHEMA-MULTIFORME

    ICD-10-CM Code For Erythema Multiforme: Group Overview

    L52-ERYTHEMA-NODOSUM

    ICD-10-CM Code For Erythema Nodosum: Group Overview

    L53-OTHER-ERYTHEMATOUS-CONDITIONS

    ICD-10-CM Code For Other Erythematous Conditions: 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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