^a Tested in sterile water for injection.

^b Test performed using the formulation WITHOUT edetate disodium.

^c Morphine sulfate powder dissolved in dextrose 5%.

^d Morphine sulfate powder dissolved in water and sodium chloride 0.9%.

^e Tested in sodium chloride 0.9%.

^f Both preserved (benzyl alcohol 0.9%; benzalkonium chloride 0.01%) and unpreserved sodium chloride 0.9% were used as a diluent.

^g Extemporaneously compounded from bulk drug powders.

^h Morphine sulfate powder dissolved in ziconotide acetate injection.

ⁱ Tested with ziconotide acetate (EI) 1 mcg/mL.

^j Tested with ropivacaine HCl (FRK) 7.5 mg/mL.

^k Tested with clonidine HCl (BI) 0.03 mg/mL.

^l Tested with bupivacaine HCl (SW) 1.5 mg/mL.

^m Tested with lidocaine HCl (AST) 2 mg/mL.

ⁿ Tested with ketamine HCl (PD) 2 mg/mL.

^o Extemporaneously compounded.