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A member asked:
Hi doctors. i had two vitamin d blood tests. the vitamin d 1,25 dihydroxy is 40, which i think is within normal range. the vitamin d, 25-oh, total,ia, is 24, which i think is insufficiency. which test matters more? do you think i need intervention?
A doctor has provided 1 answer
Most clinicians use the 25 hyroxy vitamin D test to treat and monitor their patients. I find the medical literature confusing regarding the recommended blood level,however. I'm satisfied if the level is at least 30 as this gives a little latitude from the recommended level of 20 in case the accuracy is slightly off at the lab.
Answered 9/20/2021
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Hi doctors. I had two Vitamin D blood tests. Vitamin D, 1,25 DIHYDROXY was within normal range 40, Range 18-72 pg/ml. However,Vitamin D, 25-OH, TOTAL,IA, was low-24. Range 30-100 ng/ml. What are differences between these tests. Do I need Vitamin D?
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