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v1.0.0
ICD-10 Guide
DiagnosesEye Redness

Eye Redness

ICD-10 Coding for Eye Redness(H10.011, H57.89)

PRIMARY SPECIALTYOphthalmology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Eye Redness?
Essential facts and insights about Eye Redness

Key Clinical Considerations:

  • Redness of the eye or surrounding tissues
  • Presence of discharge, itching, or pain
  • Visual acuity changes

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including onset and duration of symptoms
  • Findings from slit-lamp examination
  • Assessment of associated symptoms (e.g., photophobia, tearing)

Coding Guidelines

Usage Guidelines & Examples

  • Follow usage guidelines for specific eye conditions to avoid miscoding.
  • Common errors include using general codes instead of specific diagnoses.

Code Exclusions

Important Exclusions

  • Trauma-related eye redness
  • Systemic conditions causing eye redness (e.g., autoimmune disorders)

Related ICD-10 Codes

Primary Codes
H11.329
Unspecified conjunctival disorders, unspecified eye
H00.001
Unspecified blepharitis, right eye
H01.00
Unspecified keratitis, right eye
Ancillary Codes
H57.1
Differential Codes
H10.021
H10.9

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Ophthalmology

Specialty Applications

  • All age groups experiencing eye redness
  • Ophthalmology clinics and emergency departments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document the patient's symptoms, duration, and any relevant medical history.

What are the billing considerations?

Ensure accurate coding based on the specific diagnosis and associated symptoms.