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ICD-10 Guide
ICD-10 CodesH16.252

H16.252

Billable

Phlyctenular keratoconjunctivitis, left eye

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

Code Description

ICD-10 H16.252 is a billable code used to indicate a diagnosis of phlyctenular keratoconjunctivitis, left eye.

Key Diagnostic Point:

Phlyctenular keratoconjunctivitis, left eye

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity
Phlyctenular keratoconjunctivitis presents moderate clinical complexity due to its association with underlying systemic conditions and the need for careful differential diagnosis to rule out other causes of conjunctivitis and keratitis.

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 H16.252 When
  • Ensure accurate documentation of the patient's history, examination findings, and any associated systemic conditions
  • Use H16
  • 252 specifically for phlyctenular keratoconjunctivitis affecting the left eye
  • Document the severity and duration of symptoms

Exclusion Criteria

Do NOT use H16.252 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 H16.252 is crucial for appropriate reimbursement and to ensure that the patient receives the necessary care. Misclassification can lead to billing errors and potential denials.

ICD-9 vs ICD-10

Accurate coding of H16.252 is crucial for appropriate reimbursement and to ensure that the patient receives the necessary care. Misclassification can lead to billing errors and potential denials.

Reimbursement & Billing Impact

reimbursement and to ensure that the patient receives the necessary care. Misclassification can lead to billing errors and potential denials.

Resources

Clinical References

  • •
    Phlyctenular Keratoconjunctivitis Overview
  • •
    Clinical Guidelines for the Management of Phlyctenular Keratoconjunctivitis
  • •
    Understanding Eye Disorders: Phlyctenular Keratoconjunctivitis

Coding & Billing References

  • •
    Phlyctenular Keratoconjunctivitis Overview
  • •
    Clinical Guidelines for the Management of Phlyctenular Keratoconjunctivitis
  • •
    Understanding Eye Disorders: Phlyctenular Keratoconjunctivitis

Frequently Asked Questions

What are the common symptoms of phlyctenular keratoconjunctivitis?

Common symptoms include redness, tearing, photophobia, and a foreign body sensation in the affected eye.

How is phlyctenular keratoconjunctivitis treated?

Treatment typically involves topical corticosteroids and antibiotics, along with addressing any underlying systemic conditions.

Can phlyctenular keratoconjunctivitis affect both eyes?

While it can occur in both eyes, H16.252 specifically refers to the condition affecting the left eye.