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v1.0.0
ICD-10 Guide
ICD-10 CodesH16.202

H16.202

Billable

Unspecified keratoconjunctivitis, left eye

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

Code Description

ICD-10 H16.202 is a billable code used to indicate a diagnosis of unspecified keratoconjunctivitis, left eye.

Key Diagnostic Point:

Unspecified keratoconjunctivitis, left eye

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Unspecified keratoconjunctivitis can vary in severity and may require differential diagnosis to rule out other ocular conditions. Management may include symptomatic treatment and patient education.

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 H16.202 When
  • Ensure accurate documentation of symptoms, duration, and any prior treatments
  • Use additional codes for associated conditions if applicable
  • Follow payer
  • specific guidelines for billing

Exclusion Criteria

Do NOT use H16.202 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 H16.202 is essential for appropriate reimbursement and to avoid claim denials. It also aids in tracking epidemiological data related to eye disorders.

ICD-9 vs ICD-10

Accurate coding of H16.202 is essential for appropriate reimbursement and to avoid claim denials. It also aids in tracking epidemiological data related to eye disorders.

Reimbursement & Billing Impact

reimbursement and to avoid claim denials. It also aids in tracking epidemiological data related to eye disorders.

Resources

Clinical References

  • •
    American Academy of Ophthalmology - Keratoconjunctivitis
  • •
    National Eye Institute - Conjunctivitis (Pink Eye)
  • •
    American Optometric Association - Conjunctivitis

Coding & Billing References

  • •
    American Academy of Ophthalmology - Keratoconjunctivitis
  • •
    National Eye Institute - Conjunctivitis (Pink Eye)
  • •
    American Optometric Association - Conjunctivitis

Frequently Asked Questions

What are the common symptoms of unspecified keratoconjunctivitis?

Common symptoms include redness, itching, tearing, and discharge from the eye. Patients may also experience discomfort or a gritty sensation.

How is unspecified keratoconjunctivitis treated?

Treatment may involve artificial tears, antihistamines for allergic causes, or topical antibiotics if a bacterial infection is suspected. Follow-up care is important to monitor symptoms.

When should a patient seek further evaluation for keratoconjunctivitis?

Patients should seek further evaluation if symptoms worsen, do not improve with initial treatment, or if there is significant pain, vision changes, or photophobia.