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Old 08-15-2010, 05:09 AM   #1
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Difference of Vitamin D (25-Hydroxy) blood test interpretation

I have been prescribed 50,000 units of Vitamin D to be taken once monthly for the past 5 years due to ostopenia

My Vitamin D (25-Hydroxy) blood test result for 2008 was 32
The result was interpreted by my internal medicine physician who stated to continue with the 50,000 units of Vitamin D prescription

My Vitamin D (25-Hydroxy) blood test result for 2009 was 52
The result was interpreted by my internal medicine physician who stated to continue with the 50,000 units of Vitamin D prescription

2010 my GYN wrote the prescription for the Vitamin D (25-Hydroxy) blood test.
the result was 37.2
He does not want to renew the Vitamin D prescription due to I was at the 37 level.
I tried to explain to him I was at the 37.2 level because I was on the Vitamin D prescription.
I also asked him why did I drop to 37.2 from the 2009 52.0 level??
He was only interested in his 2010 test results.

In your opinions what would be the difference in a Internal Medicine physician versus a GYN reading the Vitamin D (25-Hydroxy) blood test results??

 
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Old 08-15-2010, 07:24 PM   #2
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Re: Difference of Vitamin D (25-Hydroxy) blood test interpretation

There shouldn't really BE a difference in how they check your result. The difference would be in HOW they decide to treat it (that's if treatment is needed).

Since your GYN has apparently decided you no longer need to be on the prescription vit.d, then it might be a good idea to re-check with the original internal medicine doc who was treating you before.

According to the lab which checks my blood (Kaiser Permanente), the range for vit. d-25 hydroxy is 30-100 ng. (some labs may vary on this). So even when you were at ''32'' you were still within the range (albeit the low end of the range). As to why you dropped from 52 to 37.2 that would also be something to discuss with your original prescribing doc. Your GYN SHOULD have taken your previous result into consideration!

You may not have to continue taking the supplement, but I'd get a few different opinions if I were you.

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Last edited by montesflus; 08-15-2010 at 07:26 PM.

 
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Old 08-16-2010, 03:23 AM   #3
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Re: Difference of Vitamin D (25-Hydroxy) blood test interpretation

Quote:
Originally Posted by montesflus View Post
There shouldn't really BE a difference in how they check your result. The difference would be in HOW they decide to treat it (that's if treatment is needed).

Since your GYN has apparently decided you no longer need to be on the prescription vit.d, then it might be a good idea to re-check with the original internal medicine doc who was treating you before.

According to the lab which checks my blood (Kaiser Permanente), the range for vit. d-25 hydroxy is 30-100 ng. (some labs may vary on this). So even when you were at ''32'' you were still within the range (albeit the low end of the range). As to why you dropped from 52 to 37.2 that would also be something to discuss with your original prescribing doc. Your GYN SHOULD have taken your previous result into consideration!

You may not have to continue taking the supplement, but I'd get a few different opinions if I were you.

monte

LabCorp is the lab that did all 3 test results.

And I agree with you..the GYN should have looked at the result drop from 52 to 37.2

 
Old 08-16-2010, 05:20 AM   #4
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Re: Difference of Vitamin D (25-Hydroxy) blood test interpretation

If you need to continue a Vitamin D supplement I would opt for Vitamin D3, the natural supplement, not D2 which is synthetic.

D3 is the substance produced in your skin when you get sun on your skin. D 2 is a chemical modification of this and in prescription form - a drug.

 
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