Using the CPT manual, select the appropriate code for the following procedure

Jane Doe needs to provide information from the disease registry application related to the number of African-American patients from a specific service area in their metropolitan coverage that had been discharged with home care after suffering a myocardial infarction. This data extraction process will require the need to:

A. query the database. B. manually review patient charts. C. assess quality of care during hospitalization. D. contact the public health department.

Which of the following must the practice do if the estimated amount it collects from a patient is greater than the actual payment received from an insurance carrier?

A. retain the difference and apply it to the patient's next procedure B. issue the insurance carrier a refund of the overpayment C. issue the patient a refund of the overpayment D. keep the funds as insurance against future underpayments