Z558including sphincterotomy and may include removal of one or more bile duct stones
DIGESTIVE SYSTEM SURGICAL PROCEDURES · ENDOSCOPY
$300.25What this reference tells you
Z558 identifies the Ontario insured service described as “including sphincterotomy and may include removal of one or more bile duct stones.” 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.