Blood calcium is partially bound to albumin. Changes in albumin levels can make total calcium appear misleading. Corrected calcium adjusts for albumin, providing a more accurate measure of free calcium available for the body. This is essential for assessing bone, muscle, heart, and nerve function. Low corrected calcium indicates true calcium deficiency, while high levels reflect real hypercalcemia.
Corrected calcium is the blood calcium level adjusted according to albumin levels to reflect the active calcium in the body.
Sample Type
Blood
Preparation
TAT
4 hours
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