The AAPC offers general and specialized medical coding and billing certification. A general certification is the best place to start as a new medical coder. The AAPC's Certified Professional Coder (CPC) exam remains the most popular certification in the field.

The exact causes of schizophrenia are unknown. Research suggests a combination of physical, genetic, psychological and environmental factors can make a person more likely to develop the condition. Some people may be prone to schizophrenia, and a stressful or emotional life event might trigger a psychotic episode.

However, colleges typically charge between $4,200 and $19,500 for medical coding and billing certificates. Don't forget that sitting for certification exams will also cost you. The AHIMA's Certified Coding Associate exam costs $299 and the AAPC Certified Professional Coder exam charges $300 with $125 for membership.