A method for controlling inventory of a time sensitive medical product includes providing packaging for the medical product, setting an expiration date for the medical product; and displaying the expiration date with the medical product in a visible manner on or within the packaging or on or within the medical product. A warning period is set for warning of an upcoming expiration for the medical product in advance of the expiration date and elapsed time is monitored with the packaging or with the medical product after setting the expiration date for the medical product. A warning indicator is displayed on or within the packaging or on or within the medical product of the upcoming expiration for the medical product upon commencement of the warning period.