The present invention may be used to dispense a dose of medication to a patient from a syringe having a barrel adapted for receiving the medication and a plunger adapted for drawing the medication into the barrel and dispensing the medication from the syringe. The medication dose is based on a measurement or value associated with a patient that corresponds to a coded range. The present invention includes a sleeve mounted on the barrel of the syringe. The sleeve contains indicia corresponding to a plurality of the coded ranges. In one embodiment, the indicia include a plurality of colored marks corresponding to a plurality of the coded ranges indicative of different doses of the medication. In another embodiment, the indicia is a color of a tinted, substantially transparent sleeve.
