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J304
J304 – Volume versus Flow Study
OHIP Pulmonary Function Studies Code — PULMONARY FUNCTION STUDIES · Schedule of Benefits
A Volume versus Flow Study from which an expiratory limb, and an inspiratory limb if indicated, are generated. A flow volume loop may include derivation of , VC, , .
This service has a technical component (T) and a professional component (P).
Referral requiredFrom: Physician, NursePractitioner, OralMaxillofacialSurgeon
Must represent the best of three recorded test results or the study is not eligible for payment.
A permanent record that includes a written interpretation by the physician.
The permanent record includes constituent graph(s), tracing(s) and measurements with a scale on the tracing or graph of:
• at least 5 mm per litre per second for flow; and
• 10 mm per litre for volume.
The physician claiming the professional component must be able to demonstrate appropriate training in pulmonary function testing interpretation.
The physician submitting a claim for the technical component is responsible for the complete quality assurance process and must maintain documentation describing this process.
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