It has to be a diagnosis that has a pre-x "flag" such as hypertension. Then you have to have received treatment for it during the lookback period.
For example a claim for a doctor visit for...
Yes, in most states pregnancy is considered a pre-existing medical condition, and applicants for individual or family health insurance can be declined coverage if they're currently pregnant. In...
Check with the Dept of Insurance in your state or the National Association of Insurance Commissioners website (naic.org/state_web_map.htm) for links to the state officials you are looking for
Means if you're already damaged some way when you take out a medical insurance you will not get full compensation for that injury that you already have.