Function

• Inpatient medical coders typically work in hospitals. The are involved with billing patients who have been admitted to the hospital for treatment. A certification program in inpatient medical billing isn't necessarily required. However, the Bureau of Labor Statistics states that job opportunities will be best for candidates who have formal training.
  
  

Types

• The American Association of Professional Coders offers several specialty certification options for medical coders who wish to work in an inpatient hospital setting. Some options include general surgery, anesthesia, and pain management and cardiology. Most medical billers and coders will work in the industry for two years before taking on one of these specialized certificates.
  
  

Advancement

• There are advanced certification options available for inpatient medical billers who wish to further their careers. According to the Bureau of Labor Statistics, advancement is possible through bachelor and master's degree programs. Advanced positions as health information managers are possible if a biller gets an advanced degree.