What is OHIP billing code X133?

X133 is "Vertebral angiogram - bilateral", an OHIP Laboratory code from the Ontario Schedule of Benefits (Physician Services).

How much does X133 pay?

The current OHIP fee for X133 is $0.00, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill X133 to OHIP?

X133 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates X133 claims against the Schedule of Benefits rules before submission.

All codes

X133

X133 – Vertebral angiogram - bilateral

OHIP Laboratory Code — DIAGNOSTIC RADIOLOGY · Schedule of Benefits

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Vertebral angiogram - direct puncture or retrograde brachial injection - bilateral

When to Use

Use X133 when performing a bilateral vertebral angiogram via direct puncture or retrograde brachial injection as a standalone diagnostic procedure.
Select X133 specifically for bilateral imaging when the clinical requirement necessitates visualization of both vertebral arteries, distinguishing it from unilateral procedures.

Common Pitfalls

Billing X133 in conjunction with selective catheterization codes like X135 or X136 is often flagged for unbundling if the service is considered part of a more comprehensive vascular study.
Submitting X133 without clear documentation of the bilateral nature of the injection or puncture site frequently leads to automated claim rejections.

Billing Tips

Ensure the procedural report explicitly details the bilateral approach to justify the use of X133 over unilateral alternatives, as auditors prioritize the technical description of the injection site.

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Provider Fee$0.00

Surgical Assistant Fee$90.90

Non-Anaesthetist Fee$51.05

Effective: April 1, 2025

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