
A lot will depend on whether the policy is worded clearly, if it is then you should have known if not then you may have a claim. Although you may have been mislead by the salesperson when you bought it that will just be between them and you and it can be claimed that you must have misunderstood. Even if you have talked to those selling the policy always read it when you get it as you can return it and reclaim you money if it is not what you want.
All most anything can be insured at a price but you will be hard pushed to find a ready made pet insurance that will pay out the full amount for complimentary therapies, and you also need to know what they consider complimentary and what they would consider a vet recommended additional treatment - like swimming.