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ICD-10 Guide
ICD-10 CodesH16.30

H16.30

Non-billable

Unspecified interstitial keratitis

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

Code Description

ICD-10 H16.30 is a used to indicate a diagnosis of unspecified interstitial keratitis.

Key Diagnostic Point:

Unspecified interstitial keratitis

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Unspecified interstitial keratitis can vary in severity, requiring careful assessment and management. The condition may be associated with underlying systemic diseases, making diagnosis and treatment 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 H16.30 When
  • Ensure to document the patient's history, symptoms, and any relevant findings from the examination
  • Use H16
  • 30 when the specific cause of interstitial keratitis is not identified
  • Consider additional codes for associated conditions or complications

Exclusion Criteria

Do NOT use H16.30 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 H16.30 is essential for appropriate reimbursement and to reflect the complexity of care provided. Misclassification may lead to claim denials or underpayment.

ICD-9 vs ICD-10

Accurate coding of H16.30 is essential for appropriate reimbursement and to reflect the complexity of care provided. Misclassification may lead to claim denials or underpayment.

Reimbursement & Billing Impact

reimbursement and to reflect the complexity of care provided. Misclassification may lead to claim denials or underpayment.

Resources

Clinical References

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

Coding & Billing References

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

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 diagnosed?

Diagnosis typically involves a comprehensive eye examination, including visual acuity tests and slit-lamp examination to assess corneal health.

What treatments are available for interstitial keratitis?

Treatment may include topical corticosteroids, antiviral medications, or addressing underlying systemic conditions, depending on the etiology.