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ICD-10 Guide
ICD-10 CodesH16.129

H16.129

Billable

Filamentary keratitis, unspecified eye

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

Code Description

ICD-10 H16.129 is a billable code used to indicate a diagnosis of filamentary keratitis, unspecified eye.

Key Diagnostic Point:

Filamentary keratitis, unspecified eye

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Filamentary keratitis can vary in severity, requiring careful evaluation and management. It may present with symptoms such as pain, photophobia, and visual disturbances, necessitating a tailored treatment approach.

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 H16.129 When
  • Ensure accurate documentation of symptoms and clinical findings
  • Use H16
  • 129 when the specific eye affected is not documented
  • Consider additional codes for underlying conditions or complications

Exclusion Criteria

Do NOT use H16.129 When
No specific exclusions found.

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CPT Code

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CPT Code

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ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Accurate coding impacts patient management and reimbursement. Misclassification may lead to inappropriate treatment plans and potential billing denials.

ICD-9 vs ICD-10

Accurate coding impacts patient management and reimbursement. Misclassification may lead to inappropriate treatment plans and potential billing denials.

Reimbursement & Billing Impact

reimbursement. Misclassification may lead to inappropriate treatment plans and potential billing denials.

Resources

Clinical References

  • •
    Filamentary Keratitis Overview
  • •
    Clinical Guidelines for the Management of Keratitis
  • •
    American Academy of Ophthalmology: Corneal Disorders

Coding & Billing References

  • •
    Filamentary Keratitis Overview
  • •
    Clinical Guidelines for the Management of Keratitis
  • •
    American Academy of Ophthalmology: Corneal Disorders

Frequently Asked Questions

What are the common symptoms of filamentary keratitis?

Common symptoms include eye pain, redness, tearing, photophobia, and blurred vision.

How is filamentary keratitis treated?

Treatment may involve lubricating eye drops, anti-inflammatory medications, and in some cases, removal of the filaments.

Is filamentary keratitis a chronic condition?

It can be chronic or recurrent, especially in patients with underlying conditions such as dry eye syndrome.