OHIP Billing Guide📋 AssessmentPublished 2026
K733

K733 OHIP Billing Code: Comprehensive CritiCall Telephone Consultations

The K733 code provides compensation for consultant physicians who conduct telephone consultations via CritiCall for urgent patient management.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference47.75 CAD~4 min read

1What Is the K733 OHIP Code?

What is K733?

K733 is an OHIP billing code specifically for consultant physicians who participate in CritiCall telephone consultations. These consultations are typically initiated by a referring physician or nurse practitioner to discuss urgent patient management or potential patient transfer to the consultant physician. This setting is crucial for critically ill patients who require immediate and expert medical advice from a consultant.

The K733 billing code reflects the importance of telephone consultations in optimizing patient care without delay. Utilization typically occurs in scenarios where a medical emergency mandates swift communication between practitioners to decide on appropriate interventions and possible transfers. Despite its significance, it's common for this code to be missed due to the fast-paced nature of emergency settings, forgetting to document teleconsultations, or confusion with similar codes like K737, which is billed under different conditions.

2Related Codes

CodeNameFrequencyDescription
A914GP focused practice comprehensive consultation by VideoOnce per patient per day$247.40 for comprehensive video consultations in family practice settings.
A006Repeat consultationAs required$47.10 for repeat in-person consultations in general practice.
A010GP focused practice consultation by VideoOnce per patient per day$95.60 for focused consultations by video in family practice.
A011GP focused practice repeat consultation by VideoAs required$47.10 for repeat video consultations in family practice.

3Eligibility Requirements

Eligibility Requirements for K733

  • Only consultant physicians conducting CritiCall telephone consultations can bill K733.
  • The consultation must be initiated by a referring physician or nurse practitioner via CritiCall.
  • K733 can be claimed once per physician, per patient, per day.
  • Up to three K733 or K737 services (in any combination) are eligible for payment per patient, per day.
  • The General Preamble's consultation definition and payment rules do not apply to this service, meaning that telephone consultations are billed differently due to their distinct nature compared to in-person consultations.
  • K733 can be billed alongside visits or other services provided to the same patient on the same day by the referring physician under certain conditions.

4What Your Clinical Note Must Show

1Documentation Essentials for K733

Accurate documentation is crucial for billing the K733 code. Ensure the following elements are included in your records:

  • Details of the CritiCall case number.
  • Time and date of the call.
  • Name of the referring physician or nurse practitioner.
  • Detailed consultation notes including advice given.
  • Any follow-up actions discussed or recommendations made.

5Weak vs. Strong Note Examples

The strong note succeeds because it provides comprehensive documentation of the consultation, lists specific details such as the CritiCall case number, and outlines the advice given, which is essential for accurate billing and patient care continuity. The weak note lacks specifics and clear guidance provided during the consultation.

Weak Note

Consulted on patient transfer. CritiCall case advised. Information noted.

Strong Note

Consulted on CritiCall Case #12345 with Dr. Smith. Reviewed patient's vital signs, labs, and imaging. Advised on immediate stabilization measures and recommended transfer to tertiary care hospital due to severe respiratory distress. Follow up with ICU team upon patient arrival.

  • CritiCall case number recorded.
  • Consultation date and time logged.
  • Details of patient's condition and management plan.

6Common Reasons This Code Is Missed

1
Confusion with Code K737
Physicians often confuse K733 with K737, which is for when consultations occur while the consultant is on duty in an ED or urgent care setting.
2
Lack of Awareness
Physicians may not be fully aware of the eligible conditions under which K733 can be billed, leading to missed claims.
3
Inadequate Documentation
Failing to document the necessary details such as CritiCall case number and specific advice given may result in missed billing opportunities.
4
Underestimation of Telephone Consultations
The perceived lower value of telephone consultations compared to in-person ones can lead to underbilling.
Document K733 correctly — every time
Empathia's templates automatically structure your notes to capture every required element for audit-proof billing.

8Frequently Asked Questions

How much can I bill for a CritiCall telephone consultation using K733?
The fee for K733 is CAD 47.75 per consultation.
What is the limit for billing K733 on the same patient in a single day?
Only one K733 service is eligible per physician, per patient, per day, with a maximum of three K733 or K737 services combined per patient, per day.
In what types of family medicine cases is K733 most applicable?
In family medicine, K733 is often used for urgent discussions about critically ill patients needing immediate referrals or treatment adjustments.
How does K733 apply to patient transfers in family medicine practice?
K733 is applicable when a family physician needs to discuss patient transfer details urgently through CritiCall, requiring specialist advice.
If I receive a call from CritiCall for a patient with severe chest pain, should I use K733?
Yes, if it involves reviewing the patient's data and providing management advice crucial for immediate care, K733 is appropriate.
Can K733 be billed if the consultant is physically at another healthcare facility with the patient?
No, if the consultant is in an ED or urgent care, K737 is the applicable code instead of K733.
Do I need to provide a follow-up consultation in person after a CritiCall telephone consultation?
Not necessarily, but proper communication and documentation are essential for continuity of care.
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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