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v1.0.0
ICD-10 Guide
ICD-10 CodesH16.2

H16.2

Non-billable

Keratoconjunctivitis

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

Code Description

ICD-10 H16.2 is a used to indicate a diagnosis of keratoconjunctivitis.

Key Diagnostic Point:

Keratoconjunctivitis

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Keratoconjunctivitis can range from mild to severe, depending on the underlying cause (viral, bacterial, allergic, etc.). Diagnosis may require comprehensive eye examinations and consideration of patient history.

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

Optometry

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

Coding Guidelines

Inclusion Criteria

Use H16.2 When
  • Ensure accurate documentation of the type of keratoconjunctivitis (e
  • , viral, bacterial, allergic) and any associated symptoms
  • Use additional codes for complications or related conditions as necessary

Exclusion Criteria

Do NOT use H16.2 When
No specific exclusions found.

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

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Accurate coding of keratoconjunctivitis is crucial for appropriate reimbursement and treatment planning. Misdiagnosis or incorrect coding can lead to delays in care and financial implications for both providers and patients.

ICD-9 vs ICD-10

Accurate coding of keratoconjunctivitis is crucial for appropriate reimbursement and treatment planning. Misdiagnosis or incorrect coding can lead to delays in care and financial implications for both providers and patients.

Reimbursement & Billing Impact

reimbursement and treatment planning. Misdiagnosis or incorrect coding can lead to delays in care and financial implications for both providers and patients.

Resources

Clinical References

  • •
    American Academy of Ophthalmology - Keratoconjunctivitis
  • •
    National Eye Institute - Conjunctivitis (Pink Eye)
  • •
    American Optometric Association - Conjunctivitis

Coding & Billing References

  • •
    American Academy of Ophthalmology - Keratoconjunctivitis
  • •
    National Eye Institute - Conjunctivitis (Pink Eye)
  • •
    American Optometric Association - Conjunctivitis

Frequently Asked Questions

What are the common causes of keratoconjunctivitis?

Common causes include viral infections (like adenovirus), bacterial infections, allergens, and irritants. Each type may require different treatment approaches.

How is keratoconjunctivitis diagnosed?

Diagnosis typically involves a comprehensive eye examination, patient history, and possibly lab tests to identify the causative agent, especially in cases of bacterial conjunctivitis.

What treatments are available for keratoconjunctivitis?

Treatment options vary based on the cause and may include antihistamines for allergic conjunctivitis, antibiotic drops for bacterial infections, and supportive care for viral cases.