OHIP Billing Codes

Specialty: Pulmonary Function Studies

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Code Description Fee

Complete Study - 1 and 2 dimensions

G571 Professional component $96.20
G570 Technical component $118.95

COVID-19 Immunization

G593 COVID-19 vaccine $13.00

Functional Residual Capacity

J306 Airways resistance by plethysmography or estimated using
J308 Carbon dioxide ventilatory response
J310 Carbon monoxide diffusing capacity by single breath method
J303 Extra pulmonary airways resistance by plethysmography
J311 Functional residual capacity - by gas dilution method
J307 Functional residual capacity by body plethysmography method
J305 Lung compliance

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J340 Maximum inspiratory & expiratory pressures

Oxygen Saturation

J335 Antigen challenge test
J334 J332 with at least two levels of supplemental O2
J333 Non-specific bronchial provocation test(histamine)
J332 O2 saturation by oximetry at rest and exercise, or during
J323 Oxygen saturation - by oximetry at rest, with or without O2
J336 Oxygen saturation - with single blind assessment of exercise on room air and with supplemental oxygen
J322 Standard O2 consumption and CO2 production
Z459 Vascular cannulation - Arterial puncture for blood gas analysis $10.20

Simple Spirometry

J304 Flow volume loop - 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
J324 Repeat J301 after bronchodilator
J327 Repeat J304 after bronchodilator
J301 Simple spirometry - Volume versus Time Study - must include Vital capacity, FEV1, FEV1 /FVC, and may include calculation of MMEFR(FEF25- 75)

Stage I

J315 Stage i: graded exercise to maximum tolerance

Stage II

J320 A-a oxygen gradient requiring measurement of RQ by sampling mixed expired gas and using alveolar air equation
J318 Arterialized venous blood sample collection (e.g. ear lobe)
J330 Assessment of exercise induced asthma (workload sufficient to achieve heart rate 85% of predicted maximum; performance of J301 or J304 before exercise and 5-10 minutes post exercise)
J319 Blood gas analysis - pH, PO2, PCO2, bicarbonate and base excess
J331 Estimate of shunt(Qs/Qt) breathing pure oxygen
J313 Mixed venous PCO2, by the rebreathing method
J316 Stage ii: repeated steady state graded exercise(must include

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