Medical Service Corporation, A Hospital Service Corporation Or A Hospital, Medical, Dental And Optometric Service Corporation Shall Limit The Total Amount That A Subscriber Must Pay For A Covered Prescription Insulin Drug To Not More Than $25 Per Thirty-Day Supply Of Insulin, Regardless Of The Amount Or Type Of Insulin Required To Fill The Subscriber’S Prescription. For The Purposes Of This Subsection, “Prescription Insulin Drug” Means Any Prescription Medication As Defined In Section That Is Prescribed By A Health Care Professional To A Subscriber To Treat The Subscriber’S Condition, That Contains Insulin And That Is Used To Treat Diabetes.