So, an order might read: -400mg acetaminophen PO PRN Q4, pain 1-3 (on a 1-10 scale) -15mg morphine PO PRN Q4, pain 4 … The prescription abbreviations instruct the pharmacist to label the container for this patient's medication with the following instructions: "Take one tablet by mouth four times a day, after meals, and at bedtime." Good Practice 1 – supply of ‘PRN’ medication • ‘PRN’ medication is only supplied when requested by the care home on receipt of a prescription generated by the practice for that medication. By removing all status selections, the filtering This columns lists the area in the C-CDA specification (the specification is broken If an ordered drug then use moodCode = "RQO" -->, , , , ,