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Dr. Stan
Dr. Stan, Medical Physician and Surgeon
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What do the numbers mean after a nuclear test for

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what do the numbers mean after a nuclear test for gallbladder disease. I was told the number should be 25 and mine is 23.....what does that indicate

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The number indicates the extent or degree of filling of the gallbladder by the nuclear labeled dye of HIDA scan. The normal is 25 with few points of error in either direction +/-. So, a number of 23 is considered normal. The test HIDA scan helps confirm whether or not the entrance of the gallbladder is blocked. If it is blocked, the nuclear labeled dye will not get into the gallbladder, and so the number would be much lower than 25. If it is open, then the dye will fill-up the gallbladder. In your case, the gallbladder is mostly filled up with the nuclear labeled dye, and not blocked at the time of the testing.

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