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. 2018 Aug 7;25(11):1516–1523. doi: 10.1093/jamia/ocy100

Table 4.

Classification of types of cancellation or therapy change orders

Classification code Drug description Sig Notes N Example 1a Example 2
A 1 1095 2804 3156 (39.0%) To replace rx for ambien due to ineffectiveness Take 1 Tablet Daily. Take in place of torsemide.
B 0 2 51 53 (0.5%) please dc generic Patient requesting to try generic rather than brand due to cost. Please cancel previous order
C 6 107 159 272 (2.7%) Cipro discontinued. Pt. is no longer on this medication. Please cancel it.
D 1 846 3079 3926 (39.3%) This is a dose increase. Discontinue 10 mg dose Please d/c prior orders for perphenazine. This is a decrease in dose.
E 0 75 1740 1815 (18.2%) Cancel/DC/void all previous orders for this medication. I sent this prescription on 11/04/2016 for once daily. It should be twice daily. Please void the once a day prescriptions and place the twice a day prescriptions on file. Thanks!
Other 0 8 25 33 (0.3%) 2 TABS PO QAM (Cancel any other refills) Use 2 Puffs by inhalation 2 times daily. New provider, stop Rx for this medication from previous provider, hold until next fill
TOTAL 9999b
a

All examples display the exact text strings that appeared in the original e-prescription message.

b

Some e-prescriptions contained multiple types of cancellation instructions in one field.