Medical billing & coding is the process of submitting and following up on claims to insurance companies in order to receive payment for services rendered by a healthcare provider. The same process is used for most insurance companies, whether they are private companies or government-owned. wikipedia.org

In health care, diagnosis codes are used as a tool to group and identify diseases, disorders, symptoms, poisonings, adverse effects of drugs & chemicals, injuries and other reasons for patient encounters. wikipedia.org

The Healthcare Common Procedure Coding System (HCPCS) is a set of health care procedure codes based on the American Medical Association's Current Procedural Terminology (CPT). wikipedia.org

Legal research is "the process of identifying and retrieving information necessary to support legal decision-making. In its broadest sense, legal research includes each step of a course of action that begins with an analysis of the facts of a problem and concludes with the application and wikipedia.org

Medical law is the branch of law which concerns the prerogatives and responsibilities of medical professionals and the rights of the patient. wikipedia.org

Law is a system of rules and guidelines which are enforced through social institutions to govern behaviour. wikipedia.org

The ICD-10 Procedure Coding System (ICD-10-PCS) is an American system of medical classification used for procedural codes. wikipedia.org

Procedure codes are a sub-type of medical classification used to identify specific surgical, medical, or diagnostic interventions. wikipedia.org

A medical record is a systematic documentation of a single patient's medical history and care across time within one particular health care provider's jurisdiction. wikipedia.org