J304Volume versus Flow Study - from which an expiratory limb, and inspiratory limb if indicated, are generated. A flow volume loop may include derivation of FEV1, VC, V50, V25
PULMONARY FUNCTION STUDIES · OTHER TERMS AND DEFINITIONS
No listed feeWhat this reference tells you
J304 identifies the Ontario insured service described as “Volume versus Flow Study - from which an expiratory limb, and inspiratory limb if indicated, are generated. A flow volume loop may include derivation of FEV1, VC, V50, V25.” The listed fee and rules are reference data; the clinical record must support the service actually performed.
Loaded billing requirements
- 1.J304 and J327 are not eligible for payment in the absence of documented physician interpretation. Computer-generated or automated interpretation does not satisfy payment eligibility.
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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.