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ICD-10 Guide
ICD-10 CodesH17.821

H17.821

Billable

Peripheral opacity of cornea, right eye

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

Code Description

ICD-10 H17.821 is a billable code used to indicate a diagnosis of peripheral opacity of cornea, right eye.

Key Diagnostic Point:

Peripheral opacity of cornea, right eye

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Peripheral opacity of the cornea can range from mild to severe, affecting vision and requiring careful assessment. Treatment options may include observation, medication, or surgical intervention depending on the severity and underlying cause.

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 H17.821 When
  • Ensure accurate documentation of the patient's symptoms, visual acuity, and any diagnostic tests performed
  • Specify the laterality (right eye) and any associated conditions
  • Follow payer
  • specific guidelines for billing and coding

Exclusion Criteria

Do NOT use H17.821 When
No specific exclusions found.

Related ICD-10 Codes

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CPT Code

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CPT Code

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CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

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CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Accurate coding of H17.821 is essential for appropriate reimbursement and to reflect the complexity of the patient's condition. Misclassification can lead to claim denials or underpayment.

ICD-9 vs ICD-10

Accurate coding of H17.821 is essential for appropriate reimbursement and to reflect the complexity of the patient's condition. Misclassification can lead to claim denials or underpayment.

Reimbursement & Billing Impact

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

Resources

Clinical References

  • •
    American Academy of Ophthalmology - Corneal Opacities
  • •
    National Eye Institute - Corneal Diseases
  • •
    American Optometric Association - Corneal Health

Coding & Billing References

  • •
    American Academy of Ophthalmology - Corneal Opacities
  • •
    National Eye Institute - Corneal Diseases
  • •
    American Optometric Association - Corneal Health

Frequently Asked Questions

What are the common causes of peripheral opacity of the cornea?

Common causes include infections, inflammation, trauma, and degenerative conditions affecting the cornea.

How is peripheral opacity of the cornea treated?

Treatment options may include topical medications, surgical intervention such as corneal transplant, or monitoring depending on the severity and impact on vision.

What tests are used to diagnose peripheral opacity of the cornea?

Diagnosis typically involves a comprehensive eye examination, including visual acuity tests, slit-lamp examination, and possibly corneal imaging.