J315 – Graded exercise to maximum tolerance
OHIP Cardio-Thoracic Surgery Code — PULMONARY FUNCTION STUDIES · Schedule of Benefits
J315 is a Stage I graded exercise test to maximum tolerance. The service requires continuous monitoring of heart rate, oximetry, and ventilation at rest and at each workload. This service has two components: - Technical Component (H Fee): The fee payable to the facility for the technical part of the service. As per of the Schedule, the technical component is not eligible for payment if the service is rendered to a hospital in-patient or an out-patient who is admitted within 24 hours for the same condition. The technical component is also not payable if performed outside a hospital. - Professional Component (P Fee): The fee payable to the physician for their professional service (e.g., interpretation and report). Referrals from a Nurse Practitioner for this service are insured when performed in an ICHSC or hospital, as per .
When to Use
- Use J315 when performing a formal cardiopulmonary exercise test (CPET) that requires continuous monitoring of heart rate, oximetry, and ventilation at every workload stage.
- Select J315 for patients requiring objective assessment of exercise limitation where simpler spirometry (J301 or J304) is insufficient to determine the cause of dyspnea.
Common Pitfalls
- Billing the technical component (H fee) for J315 when the patient is a hospital inpatient or is admitted within 24 hours of the test, which triggers a mandatory rejection.
- Claiming J315 without documenting the continuous monitoring of ventilation and oximetry at every workload, as this is a strict requirement for the code's validity.
- Attempting to bill J315 in a non-hospital setting while expecting payment for the technical component, which is explicitly prohibited by the Health Insurance Act.
Billing Tips
- Always append E450 if you perform spirometry (J301 or J304) before or after the exercise to capture the additional flat fee.
- Ensure E451 is billed alongside J315 if you perform a 12-lead ECG at rest, during the exercise, and for at least 5 minutes post-exercise to maximize the professional fee.
Effective: April 1, 2025
H. Pulmonary Function Studies
PULMONARY FUNCTION STUDIES
Diagnostic
Pulmonary Function Studies
When referred by a Nurse Practitioner, the referral must be documented in the patient's medical record.
Exercise must include continuous heart rate, oximetry and ventilation at rest and at each workload.
Ready to bill this code?
SnapBill makes OHIP billing simple — auto-filled codes, validation, and batch submission.