fentaNYL Citrate Injection, 50 mcg per mL, Preservative Free, 1 mL Total Volume in a syringe, For IV Use, Rx only, PharMEDium, Product code 2R3153.
Subpotent Drug and Stability Data Does Not Support Expiry: confirmed subpotency and potential loss of potency in drugs packaged and stored in syringes.
Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0034-2017