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C622
C622 – Subsequent Visit - First Five Weeks
OHIP Surgical Procedures Code — Clinical Immunology (62) · Schedule of Benefits
Subsequent visit by a specialist in Clinical Immunology to a hospital in-patient. This service constitutes a routine assessment in hospital following the hospital admission assessment and is applicable for the first five weeks after admission. As per , subsequent visits are generally limited to one per patient, per day.
When to Use
- Use C622 for routine daily follow-up assessments by a Clinical Immunology specialist within the first 35 days of a patient's hospital admission.
- Use C622 when providing ongoing specialist care for an admitted patient who is not under your care as the Most Responsible Physician (MRP).
Common Pitfalls
- Billing C622 on the same day as C122, C123, or C124 will result in a rejection, as these codes collectively exhaust the daily limit for subsequent hospital visits.
- Failing to transition to C627 after the 35-day (5-week) window passes will lead to automatic claim rejections or audit recovery.
- Attempting to claim C622 alongside C121 for the same patient on the same day is prohibited, as C121 is reserved for acute intercurrent illness management.
Billing Tips
- If you are the MRP, ensure you append the E083 premium to C622 to capture the 30% increase, provided you meet the specific remuneration criteria.
- If you are called to see a patient already admitted under another service, your first assessment date resets the 5-week clock for your subsequent visits.
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