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v1.0.0
ICD-10 Guide
ICD-10 CodesQ11.3

Q11.3

Billable

Macrophthalmos

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 Q11.3 is a billable code used to indicate a diagnosis of macrophthalmos.

Key Diagnostic Point:

Macrophthalmos, also known as megalocornea, is a congenital condition characterized by an abnormal enlargement of one or both eyes. This condition can be associated with various syndromes and may lead to complications such as glaucoma, corneal opacities, and amblyopia. The etiology of macrophthalmos can be multifactorial, including genetic predispositions and environmental factors. It is essential to differentiate macrophthalmos from other ocular conditions such as microphthalmia and anophthalmia, which involve underdevelopment or absence of the eye, respectively. Clinical evaluation typically includes a comprehensive ophthalmologic examination, imaging studies, and genetic testing when syndromic associations are suspected. Management may involve surgical interventions to address complications and supportive therapies to enhance visual outcomes. Early diagnosis and intervention are crucial to prevent long-term visual impairment and to provide appropriate genetic counseling for affected families.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and associated syndromes
  • Need for comprehensive ophthalmologic evaluation
  • Potential for co-occurring congenital anomalies
  • Documentation of genetic testing and counseling

Audit Risk Factors

  • Inadequate documentation of associated conditions
  • Failure to include genetic testing results
  • Misclassification with similar ocular conditions
  • Lack of detailed clinical notes on management plans

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include growth parameters, developmental milestones, and detailed ocular assessments.

Common Clinical Scenarios

Common scenarios include referrals for visual impairment, routine pediatric examinations revealing ocular anomalies, and follow-up visits post-surgery.

Billing Considerations

Considerations include the age of the child, potential for developmental delays, and the need for multidisciplinary care.

Genetics

Documentation Requirements

Genetic documentation should encompass family history, results of genetic testing, and any syndromic associations.

Common Clinical Scenarios

Scenarios may involve genetic counseling sessions for families with a history of congenital eye anomalies and discussions regarding recurrence risks.

Billing Considerations

Genetic considerations include the identification of chromosomal abnormalities and syndromes associated with macrophthalmos.

Coding Guidelines

Inclusion Criteria

Use Q11.3 When
  • According to the official coding guidelines, congenital conditions should be coded based on the specific diagnosis and any associated anomalies
  • Documentation must support the diagnosis and reflect the complexity of care provided

Exclusion Criteria

Do NOT use Q11.3 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

66984CPT Code

Cataract surgery with intraocular lens implant

Clinical Scenario

Used when a patient with macrophthalmos develops cataracts requiring surgical intervention.

Documentation Requirements

Document the indication for surgery, pre-operative assessments, and post-operative care.

Specialty Considerations

Ophthalmology specialists should provide detailed operative notes and follow-up evaluations.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital conditions like macrophthalmos, improving the granularity of data collection and enhancing the ability to track outcomes and resource utilization.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions like macrophthalmos, improving the granularity of data collection and enhancing the ability to track outcomes and resource utilization.

Reimbursement & Billing Impact

reimbursement and to reflect the complexity of care provided.

Resources

Clinical References

  • •
    American Academy of Pediatrics - Congenital Eye Conditions

Coding & Billing References

  • •
    American Academy of Pediatrics - Congenital Eye Conditions

Frequently Asked Questions

What is the primary concern with coding macrophthalmos?

The primary concern is ensuring accurate differentiation from other congenital eye conditions, such as microphthalmia and anophthalmia, as well as documenting any associated syndromic features that may impact management and care.