Calculating Functional Obsolescence in Cost Approach Regarding a functional obsolescence deficiency that lacks something, the calculation is the difference between the reproduction cost with the curable item and without it, as of the date of appraisal.Note that this is reproduction cost and not replacement cost.Functional obsolescence is the excess cost of adding the item in question, such as an additional bathroom or the new kitchen, to the existing house compared to what it would have cost at the time of construction.Since it is an added item, only the cost new is utilized.unctional obsolescence is the excess cost of adding the item in question, such as an additional bathroom or the new kitchen, to the existing house compared to what it would have cost at the time of construction. Since it is an added item, only the cost new is utilized.
A: Blood oxygen level is measured using pulse oximetry, a noninvasive procedure designed to monitor the delivery of oxygen to peripheral tissue, says Johns Hopkins Medicine. Pulse oximetry uses hemoglobin coloration and blood flow pulsation to measure the blood oxygen level.
Normal Pulse Oximetry. Pulse oximetry measures the oxygen levels in your blood. Photo Credit pulse image by JASON WINTER from Fotolia.com. Pulse oximetry is a technique that uses a special device to measure the oxygen-carrying capacity of a component in your red blood cells called hemoglobin.ormal Findings. If 97 percent of your hemoglobin contains oxygen, your blood oxygen saturation is at maximum capacity, UTMB reports. Normal results on a pulse oximetry reading range between 96 and 100 percent of this maximum value.