A720 – Comprehensive occupational medicine consultation
OHIP General Listings Code · Schedule of Benefits
This service is a consultation rendered by a specialist in occupational medicine who provides all the appropriate elements of a consultation and spends a minimum of 75 minutes in direct contact with the patient, exclusive of time spent rendering any other separately billable intervention to the patient.
When to Use
- Bill A720 when a patient requires a detailed occupational medicine assessment for complex work-related injuries or illnesses that necessitate a minimum of 75 minutes of direct physician-patient contact.
- Use A720 for initial comprehensive occupational medicine consultations where a thorough review of medical history, work exposures, and diagnostic workup is required, leading to a detailed written report.
- A720 is appropriate for patients referred by a physician, NP, or dental surgeon for a specialized occupational medicine opinion on a chronic or complex occupational health issue.
Common Pitfalls
- Billing A720 without a documented written request from a referring physician, NP, or dental surgeon will lead to rejection.
- Failure to record both the start and stop times of the patient encounter in the medical record can result in payment adjustment to a lesser fee.
- Claims for A720 are at risk if the direct patient contact time is less than 75 minutes, as this is a strict requirement of the code.
Billing Tips
- Ensure the patient's medical record clearly delineates the 75 minutes of direct patient contact, excluding any administrative or non-patient-facing time.
- Verify that the written report to the referring provider includes all elements of a consultation as defined in GP16, including a professional opinion and specific recommendations.
Effective: April 1, 2026
Specialist Consultation
Consultation
Must meet all required elements of a consultation as defined in (written request, professional opinion, written report).
Minimum of 75 minutes in direct contact with the patient.
The start and stop times must be recorded in the patient’s permanent medical record.
A written request from a referring physician, nurse practitioner, or dental surgeon is required.
A copy of the written request for the consultation, signed by the referring physician, nurse practitioner or dental surgeon must be kept in the consulting physician’s medical record, except in the case of a consultation which occurs in a hospital, long-term care institution or multi-specialty clinic where common medical records are maintained. In such cases, the written request may be contained on the common medical record.
The request identifies the consultant by name and/or the specialty being consulted, the referring physician, nurse practitioner or dental surgeon by name and billing number, and identifies the patient by name and health number.
The written request sets out the information relevant to the referral and specifies the service(s) required.
A720 must satisfy all the elements of a consultation (see page ).
The calculation of time excludes non-patient-facing time.
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