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ICD-10 Guide
ICD-10 CodesH01.119

H01.119

Billable

Allergic dermatitis of unspecified eye, unspecified eyelid

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

Code Description

ICD-10 H01.119 is a billable code used to indicate a diagnosis of allergic dermatitis of unspecified eye, unspecified eyelid.

Key Diagnostic Point:

Allergic dermatitis of the unspecified eye and unspecified eyelid is characterized by an inflammatory response of the skin surrounding the eye, often triggered by allergens such as pollen, dust mites, cosmetics, or medications. Clinically, patients may present with symptoms including redness, swelling, itching, and discomfort in the eyelid area. The periocular anatomy involves the eyelids, conjunctiva, and surrounding skin, which can all be affected by allergic reactions. The lacrimal system may also be involved, leading to excessive tearing or dry eye symptoms. Disease progression can vary; acute reactions may resolve quickly with avoidance of allergens, while chronic exposure can lead to persistent dermatitis and complications such as secondary infections. Diagnostic considerations include a thorough patient history, physical examination, and, if necessary, allergy testing to identify specific triggers. It is crucial to differentiate allergic dermatitis from other eyelid disorders such as contact dermatitis, atopic dermatitis, or infections to ensure appropriate management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires differentiation from other eyelid conditions.
  • Treatment complexity: May involve topical corticosteroids, antihistamines, and allergen avoidance.
  • Documentation requirements: Detailed history and examination findings are essential.
  • Coding specificity: Requires accurate identification of the affected site and type of dermatitis.

Audit Risk Factors

  • Common coding errors: Misidentifying the site or type of dermatitis.
  • Documentation gaps: Incomplete allergy history or lack of examination details.
  • Billing challenges: Potential denials due to insufficient specificity or lack of supporting documentation.

Specialty Focus

Medical Specialties

Ophthalmology

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

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

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Allergic dermatitis of the eyelid can significantly affect patients' quality of life, leading to discomfort and potential complications such as secondary infections. Understanding the epidemiology of allergic conditions is crucial, as they are prevalent in various populations, influencing healthcare utilization patterns. Quality measures may include monitoring the effectiveness of treatment plans and patient adherence to allergen avoidance strategies.

ICD-9 vs ICD-10

Allergic dermatitis of the eyelid can significantly affect patients' quality of life, leading to discomfort and potential complications such as secondary infections. Understanding the epidemiology of allergic conditions is crucial, as they are prevalent in various populations, influencing healthcare utilization patterns. Quality measures may include monitoring the effectiveness of treatment plans and patient adherence to allergen avoidance strategies.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis aligns with the services provided. Common denials may arise from insufficient documentation or lack of specificity in the diagnosis. Best practices include maintaining thorough records of patient interactions, treatment plans, and follow-up care to support the medical necessity of services rendered.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for H00-H99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for H00-H99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by H01.119?

H01.119 covers allergic dermatitis affecting the eyelid and surrounding areas without specifying the exact allergen or eye involvement. It includes reactions to common allergens and irritants that lead to inflammation and discomfort.

When should H01.119 be used instead of related codes?

H01.119 should be used when the allergic dermatitis is not localized to a specific eyelid or eye but is still clinically significant. If the condition can be specified to a particular eyelid or eye, the more specific codes should be utilized.

What documentation supports H01.119?

Documentation should include a detailed patient history of allergic reactions, physical examination findings indicating dermatitis, and any allergy testing results. Clear notes on the absence of other eyelid conditions are also important.