Every health maintenance contract that is delivered, issued for delivery, or renewed in this state, except for policies that provide coverage for specified disease or other limited benefit coverage, shall provide, in writing, coverage for the treatment and diagnosis of biologically-based mental illnesses with the same dollar limits, deductibles, coinsurance factors, and restrictions as for other covered illnesses.
The term, biologically-based mental illness, means schizophrenia and other psychotic disorders, bipolar disorder, major depression, and obsessive-compulsive disorder.