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    v1.0.28
    OpenPayerBilling CodesDermatitis and eczemaICD-10-CM l24-irritant-contact-dermatitis
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    ICD-10-CM Code For Irritant Contact Dermatitis: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L24 includes irritant contact dermatitis diagnoses, covering acute and chronic inflammatory skin reactions caused by chemical or physical irritants. These ICD-10-CM diagnosis codes are used to document exposures, lesion characteristics, and severity or chronicity of skin involvement, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM L24 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM L24: Irritant Contact Dermatitis Overview

    The ICD-10-CM L24 group encompasses irritant contact dermatitis, an inflammatory skin reaction from direct contact with irritants affecting the skin integument. These diagnoses target dermatologic conditions localized to skin surfaces often with erythema, scaling, vesiculation, or fissuring. Accurate coding is important for reimbursement because it documents clinical specificity, driving correct claim adjudication and appropriate payment.

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    When to Use

    Use a code from this group when a documented clinical diagnosis attributes a skin reaction to an identified or suspected irritant exposure rather than an allergic mechanism. Codes in this group are appropriate when charted findings specify lesion characteristics, affected sites, and whether the condition is acute or chronic.

    ICD-10-CM Codes

    19 rows

    ICD-10-CM CodeDescription
    L24.0Irritant contact dermatitis due to detergents
    L24.1Irritant contact dermatitis due to oils and greases
    L24.2Irritant contact dermatitis due to solvents
    L24.3Irritant contact dermatitis due to cosmetics
    L24.4Irritant contact dermatitis due to drugs in contact with skin
    L24.5Irritant contact dermatitis due to other chemical products
    L24.6Irritant contact dermatitis due to food in contact with skin
    L24.7Irritant contact dermatitis due to plants, except food
    L24.81Irritant contact dermatitis due to metals
    L24.89Irritant contact dermatitis due to other agents
    L24.9Irritant contact dermatitis, unspecified cause
    L24.A0Irritant contact dermatitis due to friction or contact with body fluids, unspecified
    L24.A1Irritant contact dermatitis due to saliva
    L24.A2Irritant contact dermatitis due to fecal, urinary or dual incontinence
    L24.A9Irritant contact dermatitis due friction or contact with other specified body fluids
    L24.B0Irritant contact dermatitis related to unspecified stoma or fistula
    L24.B1Irritant contact dermatitis related to digestive stoma or fistula
    L24.B2Irritant contact dermatitis related to respiratory stoma or fistula
    L24.B3Irritant contact dermatitis related to fecal or urinary stoma or fistula

    DRG Codes

    2 rows

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

    Typical Clinical Scenarios

    • A 28-year-old construction worker presents to urgent care with a painful, erythematous, and blistering rash on both hands that developed within 24 hours after direct contact with cement and a new industrial solvent. The reaction is clearly temporally related to the irritant exposure, localized to the contact sites, and has acute onset without a prior history of eczema, so an irritant contact dermatitis code is assigned for an acute occupational exposure. Typical codes: L24.0, L24.3
    • A 45-year-old hairdresser reports gradually worsening dry, scaly, and cracking dermatitis on the fingertips and dorsal hands over several months despite avoidance measures; symptoms recur with frequent exposure to shampoos and hairdressing chemicals. This chronic, work-related pattern of recurrent irritant dermatitis without signs of delayed hypersensitivity is coded to reflect ongoing irritant contact dermatitis. Typical codes: L24.1, L24.2
    • An elderly nursing home resident with incontinence develops widespread, moist, erythematous perineal and inner thigh dermatitis after prolonged exposure to urine and stool; the skin breakdown is complicated by secondary superficial infection and increased pain. Because the lesion is localized to areas of prolonged irritant exposure and has become complicated, an irritant contact dermatitis code applicable to perineal involvement and complication is assigned. Typical codes: L24.6, L24.89

    Related Codes

    L20-ATOPIC-DERMATITIS

    ICD-10-CM Code For Atopic Dermatitis: Group Overview

    L21-SEBORRHEIC-DERMATITIS

    ICD-10-CM Code For Seborrheic Dermatitis: Group Overview

    L22-DIAPER-DERMATITIS

    ICD-10-CM Code For Diaper Dermatitis: Group Overview

    L23-ALLERGIC-CONTACT-DERMATITIS

    ICD-10-CM Code For Allergic Contact Dermatitis: Group Overview

    L25-UNSPECIFIED-CONTACT-DERMATITIS

    ICD-10-CM Code For Unspecified Contact Dermatitis: Group Overview

    L26-EXFOLIATIVE-DERMATITIS

    ICD-10-CM Code For Exfoliative Dermatitis: Group Overview

    L27-DERMATITIS-DUE-TO-SUBSTANCES-TAKEN-INTERNALLY

    ICD-10-CM Code For Dermatitis Due To Substances Taken Internally: Group Overview

    L28-LICHEN-SIMPLEX-CHRONICUS-AND-PRURIGO

    ICD-10-CM Code For Lichen Simplex Chronicus And Prurigo: Group Overview

    L29-PRURITUS

    ICD-10-CM Code For Pruritus: Group Overview

    L30-OTHER-AND-UNSPECIFIED-DERMATITIS

    ICD-10-CM Code For Other And Unspecified Dermatitis: 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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