Which condition allows the ODB to refuse claims for nutrition products?

Insufficient documentation is the condition that can lead the Ontario Drug Benefit (ODB) to refuse claims for nutrition products. When a claim is submitted, there are specific documentation requirements that must be met to validate the medical need for the nutrition product being requested. This often includes supporting information such as a diagnosis, prescription details, and other relevant medical records. If these documents do not adequately demonstrate the necessity for the nutrition product, the ODB has the right to deny the claim due to insufficient evidence supporting the need for coverage.

In the context of the other options, exceeding the annual limit refers to a situation where a patient has already reached the maximum coverage allowance for a specific type of product within a given year, which is a separate issue. Prescribing by non-licensed professionals would relate to the legitimacy of the prescription but does not directly address documentation specifically required by the ODB for coverage consideration. Lastly, being over the age limit may pertain to eligibility criteria, but it does not involve the documentation process needed for a valid claim submission.