Z439pressures only
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · HAEMODYNAMIC/FLOW/METABOLIC STUDIES
$166.90What this reference tells you
Z439 identifies the Ontario insured service described as “pressures only.” The listed fee and rules are reference data; the clinical record must support the service actually performed.
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.