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A hospital with five doctors and several other healthcare professionals such as Nurses,

Pharmacists, Nurse Assistants and Personal Support Workers, needs a system to help administer

patient records. Each patient has a record with his or her name, date of birth, gender, date of first

visit, and date of last visit. Patient records are grouped together under a household. A household

has attributes such as name of head of household, address, and telephone number. Each

household is also associated with an insurance carrier record. The insurance carrier record

contains name of insurance company, address, billing contact person, and telephone number.

In the hospital, each hospital staff person also has a record that tracks who works with a

patient $($doctors$,$ nurses, personal support workers$).$ Because the system focuses on patient

administration records, only minimal information is kept about each hospital staff person, such as

name, address, and telephone number. Information is maintained about each hospital visit, such

as date, hospital staff person seen, insurance company, insurance copay amount $($amount paid by

the patient$),$ payment code, and amount actually paid. Each visit is for a single patient, but, of

course, a patient will have many hospital visits in the system. Two members of one household

can also visit the hospital together and have many hospital visits on the system. During each

visit, more than one hospital staff person may be involved by doing a procedure. For example,

the doctor, nurse, and personal support worker may all be involved on a single visit. In fact, some

doctors are specialists in some cases, hence multiple doctors may be involved with a patient. For

each procedure carried out by a hospital staff person, detailed information is kept about the

procedure. This information includes the type of procedure, a description, the patient involved,

the copay amount, the total charge, the amount paid, and the amount the insurance company paid

or denied.

Finally, the system also keeps track of invoices. There are two types of invoices: invoices

$1$

COMP$-$CO$835$ Object Oriented System Case Study

to insurance companies and invoices to patients or heads of households.

Both types of invoices are fairly similar, listing each visit, the procedures involved, the patient

copay amount, and the total due. Obviously, the totals for the insurance company are different

from the patient amounts owed. Even though an invoice is a report $($when printed$),$ it also

maintains some information such as date sent, total amount, amount already paid, amount due

and the total received, date received, and total denied. $($Insurance companies do not always pay

all they are billed.$)$

The hospital receptionist keeps track of patient and head$-$of$-$household information, and

will enter this information in the system. The receptionist will also keep track of hospital visits

by the patients. Patient information is also entered and maintained by the hospital business

manager. In addition, the business manager maintains the information about the hospital staff.

The business manager also prints the invoices. Patient invoices are printed monthly and sent to

the head of household. Insurance invoices are printed weekly. When the invoices are printed, the

business manager double$-$checks a few invoices against information in the system to make sure it

is being aggregated correctly. She also enters the payment information when it is received. The

business manager also prints an overdue invoice report that shows heads of household who are

behind on their payments. Sometimes doctors like to see a list of the procedures they performed

during a week or month, and they can request that report. The receptionist will generate this

report and send to the doctors whenever they make a request for their weekly or monthly reports.

All the hospital staff are responsible for entering information about the hospital procedures they

perform.

Your team has been hired to perform the analysis and design work on the project and to

oversee the project to completion. Your initial task is to analyze the system and to propose

an appropriate solution. You will be required to provide a reasonable solution, model the

proposed system from planning to implementation using all UML diagramming techniques

learned in class, and design the user interface for the system. You are also required to de$-$

scribe input$/$output screens, forms and reports. The document your team will produce will

be appropriate for the business world. It must have a cover page, an introduction, major

headings and subheadings, descriptions and diagrams as well as a conclusion and list of ref$-($a$)$ Detailed notation

$($b$)$ Alternate notat

Create the dia