OHIP Billing Guide🩺 ServicePublished 2026
A251

A251 OHIP Billing Code: Maximizing Effective Ophthalmologic Care

Code A251 enables detailed ophthalmologic assessments for patients with special challenges, billed by ophthalmologists.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference125.80 CAD~3 min read

1What Is the A251 OHIP Code?

What is A251?

The A251 code refers to a special ophthalmologic assessment exclusive to ophthalmologists. This code applies when dealing with patients who have psychological issues, developmental delays, learning disabilities, or significant physical disabilities that substantially hinder their participation in a typical ophthalmologic assessment. For this billing, the physician must engage in at least 20 minutes of direct patient contact, which excludes any time allocated to other billable services.

The comprehensive nature of this assessment focuses not just on clinical examination, but also on developing an ongoing vision care plan, sharing crucial information with the patient's healthcare team, and providing a written report for further planning. Physicians often overlook the specific time documentation required, and without it, billing under this code may face reductions or rejections.

2Related Codes

CodeNameFrequencyDescription
A935Special surgical consultationNo fixed cap – guided by specific rulesA consultation focused on complex surgical ophthalmologic cases.
C935Special surgical consultationNo fixed cap – guided by specific rulesAnother path for special surgical consultation in ophthalmology.
A231Neuro-ophthalmology consultationNo fixed cap – guided by specific rulesFocused on neuro-related eye conditions and consultation.
A235ConsultationNo fixed cap – guided by specific rulesGeneral ophthalmologic consultations requiring expertise.

3Eligibility Requirements

Eligibility for Billing A251

To be eligible for the A251 billing code under OHIP:

  • The assessment must be conducted on patients with specific conditions that impact participation, such as psychological problems, developmental delays, learning disabilities, or significant physical disabilities.
  • A minimum of 20 minutes must be spent in direct contact.
  • In addition to the assessment, physicians are required to:
    • Develop a comprehensive vision care plan.
    • Provide related information to the healthcare team for ongoing and academic planning.
    • Document findings and recommendations in a written report for team distribution.
  • Payment rules specify that no other consultation or assessment may be billed on the same day by the same physician for the same patient as A251.
  • Billing frequency is limited to two services per patient, per physician, every 12 months.

4What Your Clinical Note Must Show

1Essential Recordkeeping for A251

To ensure full reimbursement for A251, maintain the following documentation:

  • Record start and stop times for the service on the patient's record.
  • Document the patient's specific medical condition and how it affects the ophthalmologic assessment.
  • Include a copy of the written report provided to other healthcare team members in the patient's record.

5Weak vs. Strong Note Examples

The strong note provides clear timing, condition specifics, and demonstrates comprehensive care coordination, whereas the weak note lacks detail and completeness.

Weak Note

Encounter with patient took place.

20-30 minutes spent on assessment.

Letter was sent to family doctor.

Strong Note

Special ophthalmologic assessment conducted for a patient with cerebral palsy.

Assessment started at 10:15 AM and ended at 10:45 AM, totaling 30 minutes.

Documented patient's limited ability to maintain visual focus due to their condition.

Developed a vision care plan and shared findings with the care team.

Report sent to primary care physician and educational team outlining recommendations.

  • Start/stop times clearly noted.
  • Specific condition impact noted.
  • Comprehensive plan with follow-up actions.

6Common Reasons This Code Is Missed

1
Failure to Document Timing
Start and stop times of the assessment are often not recorded, leading to incomplete billing submissions.
2
Inadequate Patient Condition Specificity
Vague descriptions of the patient's conditions can result in reduced billing amounts.
3
Omitting Written Communication
Failing to document and store the consultation report can cause reduced billing or rejections.
Document A251 correctly — every time
Empathia's templates automatically structure your notes to capture every required element for audit-proof billing.

8Frequently Asked Questions

What is the fee for the A251 code?
The flat fee for billing code A251 is $125.80.
How often can A251 be billed?
It can be billed a maximum of two times per patient per physician within 12 months.
Which conditions typically qualify for A251 assessments in ophthalmology?
Conditions like autism, cerebral palsy, and certain chromosomal abnormalities are typical qualifiers.
What makes a referral case eligible for A251 in ophthalmology?
Cases are usually referred due to intricate eye issues complicated by underlying developmental or psychological conditions.
When should A251 be considered over a standard consultation?
Consider A251 when the patient's condition requires a more robust evaluation plan that standard consultations don't cover.
What is an example of a patient eligible for A251?
A child with low vision and developmental delay resulting from a chromosomal abnormality needing extended assessment.
What scenario would require an increased assessment time in A251?
A case of complex glaucoma where the patient has significant physical or developmental impairments requiring a longer evaluation time.
How does patient cooperation impact A251 assessments?
Patients with significant cooperation challenges due to developmental issues may require this comprehensive assessment approach.
Disclaimer: This article is intended as a general educational resource for physicians and billing staff. It does not constitute billing advice or a definitive interpretation of the OHIP Schedule of Benefits. Always verify current billing codes, eligibility criteria, and documentation requirements directly against the official Schedule of Benefits or consult with a qualified medical billing specialist.
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