Focusing on things you like and procrastinating or finding distractions from things you don't isn't itself adhd. It's that, taken to an extreme that impacts you

Focusing on things you like and procrastinating or finding distractions from things you don't isn't itself adhd. It's that, taken to an extreme that impacts your ability to function socially and/or professionally, along with a full awareness of it and an inability to adjust. There are other behaviors, which all taken together are what determine a diagnosis.