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Medical billing clerks review records and work with health insurance companies to calculate amounts due from patients. Online medical billing training will teach you the skills you'll need to succeed in this career. Your online education will teach you medical and computer skills, including courses in basic biology and computer-billing software.

According to the Bureau of Labor Statistics, health care is the largest U.S. industry, making this career a sound choice. Those who hold an associate's or bachelor's degree typically start at higher salaries.

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