Which does NOT describe differences between the roles of medical billers and claims examiners?

a. Medical billers are usually responsible for coding a claim and responding to requests for more information from insurance companies.
b. Claims examiners can either work for a hospital to review claims for accuracy or for an insurance company to evaluate validity of submitted claims and/or process said claims.
c. Claims personnel are more visible than medical billers because most of the public interfaces with either the customer service representative or directly with claims processing personnel.
d. Claims examiners are often involved in researching possible cases of fraud.

B