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Z430
Z430 – Provision of anaesthetic services for patients undergoing magnetic resonance imaging
OHIP Diagnostic and Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
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Provision of anaesthetic services for patients undergoing magnetic resonance imaging (MRI).
The amount payable is calculated by adding 6 base units to the applicable time units and multiplying the total by the anaesthesiologist unit fee (). Time is calculated per 15-minute increment or part thereof, starting when the anaesthesiologist begins initiating anaesthesia in the operating room and ending when the patient is safely transferred to post-operative supervision ().
The general anaesthesia service includes:
• A pre-anaesthetic evaluation.
• The anaesthetic procedure and all associated supportive measures.
• Post-anaesthetic follow-up care.
This service is eligible for various add-on premiums, including after-hours premiums (E400C, E401C), special visit premiums (C998C, C985C, C999C), and extra units for patient-specific factors like age, ASA status, or BMI ().
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