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    v1.0.28
    OpenPayerBilling CodesOther disorders of the skin and subcutaneous tissueICD-10-CM l88-pyoderma-gangrenosum
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    ICD-10-CM Code For Pyoderma Gangrenosum: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L88 includes inflammatory neutrophilic dermatoses characterized by rapidly progressive, painful skin ulcerations and related subtypes of pyoderma gangrenosum. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving skin ulceration severity, extent of tissue involvement, and associated systemic disease or complications. Accurate coding within the ICD-10-CM L88 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM L88: Pyoderma Gangrenosum Overview

    Pyoderma gangrenosum diagnoses represent a rare, inflammatory neutrophilic dermatosis characterized by painful ulcerations of the skin and subcutaneous tissue. This group targets skin integrity and immune-mediated tissue injury, often associated with systemic inflammatory or hematologic conditions. Accurate coding matters because it ensures complete clinical documentation and supports appropriate reimbursement for specialized wound care and multidisciplinary management.

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    When to Use

    Use a code from this group when clinical documentation identifies pyoderma gangrenosum as the cause of skin ulceration or when the diagnosis is the primary focus of treatment. Codes are applied to capture disease severity, extent of tissue involvement, and any associated systemic conditions.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    L88Pyoderma gangrenosum

    DRG Codes

    2 rows

    DRG CodeDescription
    602Cellulitis with MCC
    603Cellulitis without MCC

    Typical Clinical Scenarios

    • A middle-aged patient presents to the emergency department with a rapidly enlarging, painful ulcer on the lower leg that began as a small pustule and has undermined violaceous borders with purulent base; wound cultures are sterile and skin biopsy shows neutrophilic dermal infiltrate consistent with a neutrophilic ulcer. The acute, severe ulceration with typical clinical and histopathologic features prompts assignment of a diagnosis from this group after infectious and vascular causes are excluded. Typical codes: L88
    • A patient with a history of inflammatory bowel disease attends dermatology clinic for chronic, recurrent painful ulcers on the shins that flare periodically despite topical therapy; lesions are documented to heal with cribriform scarring and correlate with systemic disease activity. Because these are recurrent, noninfectious neutrophilic ulcers associated with an underlying systemic disorder, a code from this group is used to capture the chronic dermatologic condition and its relation to systemic disease. Typical codes: L88
    • A hospitalized immunosuppressed patient develops a rapidly progressive skin ulcer at a prior IV cannulation site that is nonresponsive to antibiotics and shows pathergy (lesion enlargement after minor trauma); dermatology documents features consistent with neutrophilic dermatosis complicating the inpatient course. The diagnosis from this group is assigned to describe this complication that impacts wound management and may affect overall care planning. Typical codes: L88

    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

    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

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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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