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R833
R833 – Ligation or removal of by-pass graft
OHIP Radiology Code — CARDIOVASCULAR SURGICAL PROCEDURES · Schedule of Benefits
Ligation or removal of a by-pass graft.
When to Use
- Use R833 when performing the surgical excision or ligation of a previously placed vascular bypass graft that has become infected or non-functional.
- Select R833 for the removal of a graft segment during a revision procedure where the primary intent is the excision of the existing conduit rather than a full bypass replacement.
Common Pitfalls
- Billing R833 in conjunction with a new bypass graft procedure (e.g., R830) often triggers a rejection for unbundling, as the removal is frequently considered an integral part of the replacement surgery.
- Submitting R833 for the simple ligation of a vessel during a primary bypass procedure is incorrect; this code is specific to the removal or ligation of an existing bypass graft, not a native vessel.
Billing Tips
- If R833 is performed as part of a more complex vascular reconstruction, ensure the operative report clearly distinguishes the graft removal as a distinct, medically necessary step to justify the additional fee.
Provider Fee$82.55
Anaesthetist Fee$92.94
Non-Anaesthetist Fee$92.94
Effective: April 1, 2025
Category
Q. Cardiovascular Surgical Procedures
Subcategory
CARDIOVASCULAR SURGICAL PROCEDURES
Service Type
Surgical
Code Classes
Cardiovascular Surgical Procedures
All insured services must be documented in appropriate records.
The medical record must establish that:
1. an insured service was provided;
2. the service for which the account is submitted is the service that was rendered; and
3. the service was medically necessary.
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