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Calcium ionized tube color
∙ Study now. ∙ Copy. Wiki User. Ionized calcium is a green tube. Best Answer. Wiki User. Oct 23, · What color tube is ionized calcium? those with exposure to air) are not acceptable and. The tube must be filled completely. Capillary specimens or aerobic collections (i.e. Centrifuge. Do not open. To ensure that testing can be performed, send a separate tube for . This changes the sample pH and can prevent the lab from measuring the ionized calcium. Of these, ionized calcium is the physiologically important form. Measurement of serum ionized calcium provides insight into the effect of total protein and albumin on serum calcium levels. Calcium in serum exists ionized, bound to organic anions such as phosphate and citrate, and bound to proteins (mainly albumin). Additional Information. Do not freeze. Stability Requirements Causes for Rejection. To ensure that testing can be performed, send a separate tube for ionized calcium and adhere a piece of labeling tape over the top of the tube with the following written on it "Ionized Calcium − DO NOT OPEN." Storage Instructions Room temperature. In situations where the total calcium is normal but does not fit the clinical picture, e.g., . Calcium, Ionized - Ionized calcium represents the true "bioavailable" calcium in the circulation. PTH, Intact and Ionized Calcium ; Supply: T01 - Red/Gray SST mL ; Test Code: ; CPT Code(s): , , ; Preferred Specimen Requirements: 2 mL.