G181 – Dual chamber reprogramming including electrocardiography - technical component
OHIP Diagnostic & Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
The technical component for dual chamber pacemaker reprogramming, including the electrocardiography. This service is intended to be billed with its corresponding professional component, G180. Payment rules for technical components, including adjustments for services rendered in a hospital, are detailed in the General Preamble.
When to Use
- Use G181 when performing the technical data acquisition and ECG recording for a dual-chamber pacemaker reprogramming session in an outpatient or clinic setting.
- Always pair G181 with G180 to capture both the professional interpretation and the technical component of the procedure.
Common Pitfalls
- Billing G181 for a patient who is an inpatient or who is admitted to the hospital within 24 hours of the service will result in an automatic rejection.
- Failing to apply the 86.10% fee reduction when the service is performed within a hospital setting is a common cause of audit adjustments.
- Billing G181 without the corresponding G180 professional component may trigger an inquiry regarding the completeness of the service provided.
Billing Tips
- Ensure your billing software is configured to automatically apply the 86.10% technical component reduction for hospital-based services to avoid manual calculation errors.
Effective: April 1, 2026
J. Diagnostic and Therapeutic Procedures
DIAGNOSTIC AND THERAPEUTIC PROCEDURES
Diagnostic
Diagnostic and Therapeutic Procedures
The physician submitting a claim for the technical component is responsible for the complete quality assurance process for all elements of the technical component of the service, including data acquisition, reporting, and record keeping. The physician must be able to demonstrate this upon request by the MOH.
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