Error report · Service, fee & diagnosis
OHIP error code A3H
Maximum Number Services per the Fee Schedule Master (FSM)
What A3H means
The Ministry of Health’s official wording for A3H is: “Maximum Number Services per the Fee Schedule Master (FSM).”
This code appears on your Claims Error Report (downloaded through MCEDT). It means the claim was rejected at submission and was never adjudicated for payment — fix the issue below and resubmit the claim.
How to fix A3H
You've reached the maximum number of services allowed for this code - confirm the limit; only resubmit if a service was genuinely missed.
These codes relate to the fee schedule code, diagnosis code, fee amount, or service limits in the Schedule of Benefits. The fix usually starts with re-reading the code's payment rules — effective dates, age/sex limits, maximums, and combinations — for the date of service.
Related codes
- A2AOutside of Age Limit - Patient is underage or overage for this service code
- A2BWrong Sex for Service - This service is not normally performed for this sex. Please check your records.
- A34Multiple duplicate claims
- A3ENo such service code for date of service
- A3FNo fee exists for this service code on this date of service
- A3GFee Billed Low
- A3IX-Ray Code - Maximum Number Services per the Fee Schedule Master (FSM)
- A3LOther New Patient Fee Already Paid
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Code meaning per Ontario Ministry of Health — Error Report Rejection Conditions / Error Codes (December 2022). The suggested action is general information for Ontario physicians, not billing, legal, or tax advice — codes and rules change, so verify against the current Ministry of Health documents before relying on a claim.