A prepackaged needleless intravenous line assembly is provided as well as a method of delivering intravenous medication and/or fluid to a patient while maintaining sterility of needleless access ports. The pre-packaged needleless intravenous line assembly is a sterile intravenous line with at least one sterile access port, each access port having a disinfection cap installed thereon, sealed within a pouch with at least one strip of multiple sealed disinfection caps. An intravenous tubing kit, having sterile intravenous tubing with capped sterile access ports as well as sealed replacement disinfection caps, is removed from the package and attached to a patient's intravenous catheter. A disinfection cap is removed from the sterile access port. Medication and/or fluid is administered into the access port. A replacement disinfection cap is installed onto the access port.
