Table S1.

Ingredient names and RxNorm codes of opioid prescription medications included in the study

RxNorm code	Ingredient name
821601	Acetaminophen/Aspirin/Caffeine/Codeine
689552	Acetaminophen/Aspirin/Caffeine/Codeine/salicylamide
689555	Acetaminophen/Aspirin/Codeine
689561	Acetaminophen/butalbital/Caffeine/Codeine
689563	Acetaminophen/butalbital/Codeine
814657	Acetaminophen/Caffeine/Codeine
817430	Acetaminophen/Caffeine/Codeine/Meprobamate
689568	Acetaminophen/Caffeine/Codeine/salicylamide
817579	Acetaminophen/Codeine
817356	Acetaminophen/Codeine/Ibuprofen
1007238	Aconite/Codeine/Erysimum preparation
690996	Aluminum Hydroxide/Aspirin/Codeine/Magnesium Hydroxide
214237	anhydrous calcium iodide/Codeine
214160	Aspirin/butalbital/Caffeine/Codeine
689511	Aspirin/Caffeine/Codeine
689522	Aspirin/Carisoprodol/Codeine
135095	Aspirin/Codeine
1008493	Benzoate/Codeine
1008060	Butalbital/Caffeine/Codeine
691032	Calcium iodide/Codeine
2670	Codeine
1008110	Codeine/Diclofenac
1008954	Codeine/Erysimum preparation
1007477	Codeine/Ethylmorphine
710303	Codeine/Ibuprofen
214443	Codeine/iodinated glycerol
729517	Codeine/Kaolin
690089	Codeine/Papaverine
1007293	Codeine/Potassium
690096	Codeine/potassium citrate
1007204	Codeine/propyphenazone
690101	Codeine/Pyrilamine
689569	Acetaminophen/Caffeine/dihydrocodeine
151196	Acetaminophen/dihydrocodeine
689783	Acetaminophen/dihydrocodeine/salicylamide
689512	Aspirin/Caffeine/dihydrocodeine
23088	Dihydrocodeine
214183	Acetaminophen/Oxycodone
214256	Aspirin/Oxycodone
484259	Ibuprofen/Oxycodone
1545902	Naloxone/Oxycodone
7804	Oxycodone
689553	Acetaminophen/Aspirin/Caffeine/Hydrocodone
689562	Acetaminophen/butalbital/Caffeine/Hydrocodone
214182	Acetaminophen/Hydrocodone
689515	Aspirin/Caffeine/Hydrocodone
214253	Aspirin/Hydrocodone
5489	Hydrocodone
214627	Hydrocodone/Ibuprofen
352362	Acetaminophen/Tramadol
10689	Tramadol