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ICD-10 Guide
ICD-10 CodesH16.301

H16.301

Billable

Unspecified interstitial keratitis, right eye

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

Code Description

ICD-10 H16.301 is a billable code used to indicate a diagnosis of unspecified interstitial keratitis, right eye.

Key Diagnostic Point:

Unspecified interstitial keratitis, right eye

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Unspecified interstitial keratitis can present with varying degrees of symptoms, from mild discomfort to significant vision impairment. Diagnosis may require comprehensive eye examinations and imaging, making it moderately complex.

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 H16.301 When
  • Ensure accurate documentation of patient symptoms, history, and examination findings
  • Use H16
  • 301 when the specific cause of interstitial keratitis is not identified
  • Consider additional codes for associated conditions if applicable

Exclusion Criteria

Do NOT use H16.301 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 H16.301 is essential for proper reimbursement and to reflect the severity of the patient's condition. Misclassification may lead to claim denials or underpayment.

ICD-9 vs ICD-10

Accurate coding of H16.301 is essential for proper reimbursement and to reflect the severity of the patient's condition. Misclassification may lead to claim denials or underpayment.

Reimbursement & Billing Impact

reimbursement and to reflect the severity of the patient's condition. Misclassification may lead to claim denials or underpayment.

Resources

Clinical References

  • •
    American Academy of Ophthalmology - Interstitial Keratitis
  • •
    National Eye Institute - Keratitis Overview

Coding & Billing References

  • •
    American Academy of Ophthalmology - Interstitial Keratitis
  • •
    National Eye Institute - Keratitis Overview

Frequently Asked Questions

What are the common symptoms of interstitial keratitis?

Common symptoms include eye pain, redness, blurred vision, and sensitivity to light.

How is interstitial keratitis treated?

Treatment may include topical corticosteroids, antiviral medications, or other therapies depending on the underlying cause.

When should I consider referring a patient with interstitial keratitis?

Referral to a specialist is advised if the patient experiences severe symptoms, does not respond to initial treatment, or has recurrent episodes.