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v1.0.0
ICD-10 Guide
ICD-10 CodesH16.442

H16.442

Billable

Deep vascularization of cornea, left eye

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

Code Description

ICD-10 H16.442 is a billable code used to indicate a diagnosis of deep vascularization of cornea, left eye.

Key Diagnostic Point:

Deep vascularization of cornea, left eye

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Moderate complexity; requires thorough examination and assessment of corneal health, including potential underlying conditions affecting vascularization.

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 H16.442 When
  • Ensure accurate documentation of the patient's symptoms, examination findings, and any diagnostic tests performed
  • Use H16
  • 442 specifically for deep vascularization of the cornea in the left eye

Exclusion Criteria

Do NOT use H16.442 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 ensures appropriate reimbursement for services rendered. Misclassification may lead to claim denials or delays in payment.

ICD-9 vs ICD-10

Accurate coding ensures appropriate reimbursement for services rendered. Misclassification may lead to claim denials or delays in payment.

Reimbursement & Billing Impact

reimbursement for services rendered. Misclassification may lead to claim denials or delays in payment.

Resources

Clinical References

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

Coding & Billing References

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

Frequently Asked Questions

What are the common symptoms of deep vascularization of the cornea?

Common symptoms include blurred vision, discomfort, and redness in the affected eye.

What treatments are available for deep vascularization of the cornea?

Treatment options may include topical medications, surgical intervention, or referral to a specialist for further evaluation.

How often should patients with corneal vascularization be monitored?

Patients should be monitored regularly, typically every 6 to 12 months, depending on the severity of the condition and response to treatment.