J313Mixed venous PCO2, by the rebreathing method
PULMONARY FUNCTION STUDIES · OTHER TERMS AND DEFINITIONS
No listed feeWhat this reference tells you
J313 identifies the Ontario insured service described as “Mixed venous PCO2, by the rebreathing method.” 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.