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CALCIUM, TOTAL & IONIZED
700
Special Instruction : Overnight fasting is preferred.
Parameters covered : 2
Report Frequency : Sample Mon by 3 pm; Report Same Day
Home Collection
Lab Visit
Overview
What is CALCIUM, TOTAL & IONIZED ?
This test individually measures both free & bound forms of calcium in the blood. Your body uses it to build strong bones and teeth. Calcium is also needed for your heart and other muscles to function properly. Deficiency of calcium can cause Osteoporosis. Children who do not get enough calcium may not grow to their full potential height as adults. However, too much calcium in your blood can weaken your bones, create kidney stones and interfere with normal functioning of the heart and brain.
Parameters
1. Calcium, Total
2. Calcium, Ionized
Doctor Information
Pre-test Information
Overnight fasting is preferred.
Report Delivery
Sample Mon by 3 pm; Report Same Day
Code
Z117
Category
Bone & Mineral Metabolism
Stability Room
1 hr
Stability Refrigerated
1 week
Stability Frozen
NA
Method
ISE, Arsenazo III
Specimen
2 mL (0.5 mL min.) Serum from 1 SST OR 3 mL (1 mL min.) Whole blood from 1 Green Top (Sodium Heparin) tube. Avoid use of tourniquet and fist clenching during sampling. Overnight fasting is preferred. Ship refrigerated. DO NOT FREEZE.
Usage
By knowing both total and ionized calcium concentrations, subsequent measurement of total calcium can be used as a proxy of the ionized calcium concentrations.
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