Z422retrograde aortic left heart catheterization with or without pressure measurement(s)
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · CARDIOVASCULAR
$210.55What this reference tells you
Z422 identifies the Ontario insured service described as “retrograde aortic left heart catheterization with or without pressure measurement(s).” The listed fee and rules are reference data; the clinical record must support the service actually performed.
Loaded billing requirements
- 2.Z422 is limited to a maximum of one per electrophysiological pacing, mapping and/or ablation sitting.
Before using this code
Confirm the current Ministry publication, the patient and provider context, the date of service, and documentation supporting the claim. A searchable reference does not establish eligibility or guarantee payment.