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ICD-10 Guide
ICD-10 CodesL25.8

L25.8

Billable

Unspecified contact dermatitis due to other agents

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 L25.8 is a billable code used to indicate a diagnosis of unspecified contact dermatitis due to other agents.

Key Diagnostic Point:

L25.8 refers to unspecified contact dermatitis due to other agents, a condition characterized by inflammation of the skin resulting from exposure to irritants or allergens not specifically classified elsewhere. Clinically, patients may present with symptoms such as erythema, pruritus, vesicles, and scaling, which can vary in severity depending on the agent involved and the duration of exposure. The skin anatomy primarily affected includes the epidermis and dermis, where the inflammatory response occurs. Disease progression can lead to chronic dermatitis if exposure continues, resulting in lichenification and thickening of the skin. Diagnostic considerations include a thorough patient history to identify potential exposures, physical examination findings, and, when necessary, patch testing to determine specific allergens. However, in cases where the agent is not identified or is not classified, L25.8 serves as a catch-all code for unspecified contact dermatitis, emphasizing the need for careful documentation to support the diagnosis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough history-taking and sometimes testing to identify the irritant or allergen.
  • Treatment complexity: Management may involve avoidance of the irritant, topical corticosteroids, and symptomatic relief.
  • Documentation requirements: Detailed documentation of exposure history and clinical findings is essential.
  • Coding specificity: While L25.8 is less specific than other dermatitis codes, it is necessary when the cause is unknown.

Audit Risk Factors

  • Common coding errors: Misuse of L25.8 when a more specific dermatitis code is applicable.
  • Documentation gaps: Inadequate patient history or lack of evidence supporting the diagnosis.
  • Billing challenges: Potential for claim denials if documentation does not clearly support the unspecified nature of the dermatitis.

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Allergy and Immunology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Unspecified contact dermatitis, as represented by L25.8, has significant clinical implications, affecting patient quality of life and healthcare utilization. The condition can lead to increased visits to dermatologists and primary care providers, impacting healthcare costs. Understanding the epidemiology of contact dermatitis is essential, as it is a common condition that can arise from various environmental exposures, highlighting the need for effective public health strategies to reduce incidence and improve management.

ICD-9 vs ICD-10

Unspecified contact dermatitis, as represented by L25.8, has significant clinical implications, affecting patient quality of life and healthcare utilization. The condition can lead to increased visits to dermatologists and primary care providers, impacting healthcare costs. Understanding the epidemiology of contact dermatitis is essential, as it is a common condition that can arise from various environmental exposures, highlighting the need for effective public health strategies to reduce incidence and improve management.

Reimbursement & Billing Impact

Unspecified contact dermatitis, as represented by L25.8, has significant clinical implications, affecting patient quality of life and healthcare utilization. The condition can lead to increased visits to dermatologists and primary care providers, impacting healthcare costs. Understanding the epidemiology of contact dermatitis is essential, as it is a common condition that can arise from various environmental exposures, highlighting the need for effective public health strategies to reduce incidence and improve management.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by L25.8?

L25.8 covers cases of contact dermatitis where the specific irritant or allergen is not identified. This may include reactions to various substances such as chemicals, plants, or other environmental agents that do not fall under more specific categories.

When should L25.8 be used instead of related codes?

L25.8 should be used when the cause of contact dermatitis is unknown or not classified under other specific codes. If the irritant or allergen is identified, a more specific code such as L23 or L24 should be used.

What documentation supports L25.8?

Documentation should include a detailed patient history of potential exposures, clinical findings from physical examinations, and any diagnostic tests performed, such as patch testing, to support the diagnosis of unspecified contact dermatitis.