ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesH10.13

H10.13

Billable

Acute atopic conjunctivitis, bilateral

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

Code Description

ICD-10 H10.13 is a billable code used to indicate a diagnosis of acute atopic conjunctivitis, bilateral.

Key Diagnostic Point:

Acute atopic conjunctivitis, bilateral, is an allergic inflammatory condition affecting the conjunctiva, characterized by redness, itching, tearing, and swelling of the eyelids. The conjunctiva, a thin membrane covering the sclera and lining the eyelids, becomes inflamed due to exposure to allergens such as pollen, dust mites, or pet dander. In acute cases, symptoms can develop rapidly and may be accompanied by other atopic conditions like asthma or eczema. The disease progression typically involves an initial exposure to allergens, leading to the release of histamines and other inflammatory mediators. Diagnosis is primarily clinical, based on patient history and symptomatology, although conjunctival scraping may be performed to rule out other causes. The anterior segment of the eye, including the cornea and sclera, may also be affected, although corneal involvement is less common in acute atopic conjunctivitis. Proper identification and management are crucial to prevent complications such as secondary infections or chronic allergic conjunctivitis.

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

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

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

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Acute atopic conjunctivitis has significant clinical implications, particularly in populations with a high prevalence of allergic conditions. It can lead to increased healthcare utilization due to frequent visits for symptom management and potential complications. Understanding the epidemiology of this condition helps in developing targeted public health strategies to manage allergies effectively and improve patient quality of life.

ICD-9 vs ICD-10

Acute atopic conjunctivitis has significant clinical implications, particularly in populations with a high prevalence of allergic conditions. It can lead to increased healthcare utilization due to frequent visits for symptom management and potential complications. Understanding the epidemiology of this condition helps in developing targeted public health strategies to manage allergies effectively and improve patient quality of life.

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 acute nature of the condition or lack of supporting allergy testing. It is essential to ensure that all relevant codes, including E/M and procedure codes, are accurately reported to avoid billing challenges.

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 H10.13?

H10.13 specifically covers acute atopic conjunctivitis that is bilateral, characterized by symptoms such as itching, redness, and tearing in both eyes, often triggered by allergens.

When should H10.13 be used instead of related codes?

H10.13 should be used when the patient presents with acute bilateral symptoms of atopic conjunctivitis. If symptoms are unilateral, H10.12 should be selected instead.

What documentation supports H10.13?

Documentation should include a detailed history of symptoms, any known allergies, clinical findings from the eye examination, and any treatments attempted. Allergy testing results may also support the diagnosis.