What does having a past medical history of "multiple bipolar disorder" mean?

??: I have never heard of multiple bipolar disorder. Bipolar is usually classified differently such as bipolar disorder type ii, bipolar disorder mixed state or with rapid cycling. See image.

Multiple Episodes: Bipolar disorder is a brain disorder that causes unusual shifts in mood, energy, activity levels, and the ability to carry out daily tasks. Symptoms of bipolar disorder are severe. Sounds as if you have experienced frequent episodic changes from your normal mood. Many factors act together to produce the illness or increase your risk. Treatment is essential and can be effective over the long-term.