Cocaine abuse would be classified in the DSM-IV-TR on Axis I. It is the fourth version of the Diagnostic and Statistical Manual of Mental Disorders (DSM). The most recent version of the DSM-IV is officially called the DSM-IV-TR (Text Revision). Axis I refers to all psychological diagnostic categories.
It would most likely be Bi-polar disorder. It has to be over a long periond of time. Say if she was in the hospital for a monthe she could be depressed for let's say three weeks before she was happy again for two weeks. that would be bi-polar.