0000004 34 is a valid prescription number and as a result displays basic information relating to the prescription number on display device 20 as illustrated in fig4 in addition upon determining that the prescription is valid pc csms 24 enables the 34 refill 34 key 301 to allow the user to request that the prescription be refilled upon selection of the 34 refill 34 key 301 pc csms 24 transfers control to the cognitive service record component of the patient intake subsystem resulting in the display of the 34 request 34 tab of the cognitive service record on display device 20 as illustrated in fig4 information for the drug corresponding to the prescription number will be displayed in the current prescription list at this point processing continues with the refill interrupt in the same manner as it does for processing of the cognitive service record described above once processing by the interrupt subsystem of the refill interrupt is completed for the second patient pc csms 24 may resume processing of the suspended cognitive or counseling session as mentioned above the user is prompted to enter a prescription number as illustrated in fig4 in response to this prompting the user entered the number 34 000000 34 upon receiving the entry of this prescription number pc csms 24 compares the prescription number against those prescription numbers contained in the data storage device to determine whether the prescription number is valid in this example the user entered the prescription number 34 0000003 34 which is not valid as illustrated in fig4 as a result no information is displayed in the prescription information section further the 34 refill.