G127 – Digital photoplethysmography - technical component
OHIP Diagnostic & Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
Digital photoplethysmography is a non-invasive study of blood flow. G127 represents the technical component of this procedure and is billable per extremity. The professional component for interpretation is claimed separately using G126. When this service is rendered in a hospital, it is payable at 86.10% of the listed fee as per .
When to Use
- Use G127 when you perform the technical data acquisition for digital photoplethysmography on a patient's extremity in an office setting.
- Claim G127 in conjunction with G126 when you are responsible for both the technical performance and the professional interpretation of the study.
Common Pitfalls
- Billing G127 at the full fee when the service is performed in a hospital setting, which triggers an automatic rejection or adjustment to 86.10% per GP11.
- Submitting G127 for multiple extremities without specifying the correct diagnostic code or site indicators, which can lead to claims being flagged for manual review.
Billing Tips
- Ensure you maintain a documented quality assurance log for the equipment used to perform G127, as this is a mandatory requirement for technical component claims under GP11.
Effective: April 1, 2026
J. Diagnostic and Therapeutic Procedures
DIAGNOSTIC AND THERAPEUTIC PROCEDURES
Procedure
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.
Documentation must describe the process by which the physician monitors quality assurance in accordance with professional standards.
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