OHIP Billing Guide🩺 ServicePublished 2026
A093

A093 OHIP Billing Code: Specific Assessment for Cardiac Surgery

The A093 code is used by cardiac surgeons for specific assessments focusing on presenting cardiac problems and connected systems, billed under OHIP.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference55.70 CAD~4 min read

1What Is the A093 OHIP Code?

What is the A093 Code?

The A093 code is designated for specific assessments performed by cardiac surgeons, focusing on issues related to cardiology such as sternal wounds, graft concerns, or valve findings needing surgical consultation. This code is applicable in scenarios where a comprehensive assessment of the cardiac area and its related systems is warranted, rather than a full general assessment.

Despite its targeted nature, this assessment aims to gather detailed insights into the patient's current cardiac problem and assess the function or potential pathologies of the involved systems. This targeted approach is often necessary for making decisions about surgical interventions or further diagnostic procedures.

Specialists may overlook this billing opportunity due to a focus on more comprehensive or unrelated diagnosis codes. Ensuring precise documentation of the presenting complaint and the examination conducted can help accurately meet the criteria for billing under A093.

2Related Codes

CodeNameFrequencyDescription
C093C093 Specific assessmentOnce per calendar year per patient unless conditions are met.Specific assessment in a hospital in-patient setting.
C094C094 Specific re-assessmentVariable frequency based on clinical necessity.A re-assessment following the initial specific assessment.
A094A094 Partial assessmentTechnical requirements may vary.Assessment focusing on a limited aspect of the patient's condition.
A935A935 Special surgical consultationUsually following a referral for surgical opinion.In-depth surgical consultation reserved for preparing complex surgical cases.

3Eligibility Requirements

Eligibility

To bill for the A093 code under OHIP, the assessment must meet specific criteria as outlined in the Schedule of Benefits:

  • Location: Services must be rendered by specialists in a location other than the patient's home.
  • Content: Must include a full history of the presenting cardiac-related complaint and a detailed examination of the affected parts or systems necessary to make a diagnosis, exclude disease, or assess function.
  • Frequency: Limited to one specific assessment per patient per physician within a 12-month period. This limit may extend to two if a patient has a second, clearly different diagnosis or if the second assessment occurs as a hospital admission assessment after at least 90 days.
  • Documentation: A record of the start and end times of the assessment must be maintained in the patient's permanent medical record.

Virtual Delivery

  • Virtual: A093 may also be delivered virtually through video or telephone, billed as A093A.

4What Your Clinical Note Must Show

1Mandatory Documentation for A093

Ensure all required details are documented to meet OHIP's criteria for billing A093.

  • Full history of presenting cardiac complaint.
  • Detailed examination notes on the affected cardiac parts or systems.
  • Time the assessment started and ended, recorded in the patient's medical record.

5Weak vs. Strong Note Examples

The strong note provides specific details about the patient's complaints, the examination focus, and clinical decision-making, meeting A093 requirements, whereas the weak note lacks specific information necessary for justified billing.

Weak Note

Patient seen for a cardiac evaluation. Examination completed in clinic. Recommended follow-up.

Strong Note

Patient presents with sustained post-surgical sternal pain and suspected graft dysfunction.

Detailed examination of sternal wound and auscultation of heart valves performed.

Differential diagnosis considered due to new onset of aortic regurgitation symptoms.

  • Assessment performed to rule out infectious complications or structural defects.

6Common Reasons This Code Is Missed

1
Lack of Detailed Documentation
Failing to record comprehensive details about the examination may result in invalid claims.
2
Misclassification of Visit Type
Confusing a specific assessment with a general or partial assessment could lead to billing errors.
3
Unaware of Frequency Limits
Neglecting the annual limit can cause rejected claims if frequency guidelines are breached.
4
Improper Use of Virtual Codes
Not applying A093A correctly for virtual assessments can result in incorrect billing.
Document A093 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 billing A093?
The fee for billing the A093 specific assessment code is CAD 55.70.
How often can A093 be billed?
A093 can be billed once per 12-month period per patient unless a new distinct diagnosis arises or it's a hospital admission assessment after 90 days.
What situations warrant a specific assessment in cardiac surgery?
Specific assessments are appropriate for detailed evaluations of sternal wounds or valve dysfunction risks post-surgery.
Can A093 be billed for a pre-operative cardiac assessment?
Yes, if the pre-operative visit involves a detailed cardiac examination and history assessment that falls under a specific assessment.
What documentation is needed if the visit is virtual?
The same detailed history and examination documentation required in-person must be recorded, with the virtual code A093A used.
What qualifies a second assessment within the same year?
A second assessment within the same year is qualified if a different, unrelated cardiac diagnosis is presented.
How should examinations of graft concerns be documented?
Document detailed findings related to the graft status, complaints, and examination outcomes to support the specific assessment code.
How does this code differ from a partial assessment?
A specific assessment is more comprehensive, requiring a full history and focused examination, unlike a partial assessment which is limited in scope.
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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