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ICD-10 Guide
ICD-10 CodesL23.0

L23.0

Billable

Allergic contact dermatitis due to metals

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

Code Description

ICD-10 L23.0 is a billable code used to indicate a diagnosis of allergic contact dermatitis due to metals.

Key Diagnostic Point:

Allergic contact dermatitis due to metals is a type of skin inflammation that occurs when the skin comes into contact with specific metal allergens, such as nickel, cobalt, or chromium. Clinically, patients may present with erythema, pruritus, and vesicular lesions at the site of exposure, which can progress to crusting and scaling if left untreated. The condition primarily affects the epidermis and can involve the dermis in more severe cases. The disease progression typically begins with an initial sensitization phase, followed by a delayed hypersensitivity reaction upon subsequent exposures. Diagnosis is often confirmed through a thorough patient history, physical examination, and patch testing to identify the specific metal causing the reaction. It is essential for healthcare providers to differentiate allergic contact dermatitis from other dermatological conditions such as irritant contact dermatitis and atopic dermatitis, as treatment strategies may vary significantly.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

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

Allergic contact dermatitis due to metals is a significant public health concern, particularly among individuals who frequently handle metal objects or wear metal-containing jewelry. The condition can lead to decreased quality of life due to chronic discomfort and cosmetic concerns. Understanding the epidemiology of this condition can help healthcare providers implement preventive measures and improve patient education on avoiding known allergens, ultimately reducing healthcare utilization related to dermatitis management.

ICD-9 vs ICD-10

Allergic contact dermatitis due to metals is a significant public health concern, particularly among individuals who frequently handle metal objects or wear metal-containing jewelry. The condition can lead to decreased quality of life due to chronic discomfort and cosmetic concerns. Understanding the epidemiology of this condition can help healthcare providers implement preventive measures and improve patient education on avoiding known allergens, ultimately reducing healthcare utilization related to dermatitis management.

Reimbursement & Billing Impact

Reimbursement may be affected by the specificity of the diagnosis and the completeness of the documentation. Common denials may arise from insufficient evidence of the allergic reaction or lack of detailed patient history. Best practices include thorough documentation of the clinical findings and ensuring that the coding aligns with the services rendered.

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 L23.0?

L23.0 specifically covers allergic contact dermatitis resulting from exposure to metals. This includes reactions to common metal allergens such as nickel, cobalt, and chromium, which can cause localized skin reactions upon contact.

When should L23.0 be used instead of related codes?

L23.0 should be used when the dermatitis is specifically due to metal exposure. If the dermatitis is caused by other allergens or irritants, other codes such as L23.1 or L24.0 should be considered.

What documentation supports L23.0?

Documentation should include a detailed patient history of exposure to metals, results from patch testing, clinical findings, and any previous treatments. This information is crucial for accurate coding and reimbursement.