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StephN · 04-08-2010, 02:47 PM

Rich -
Thanks for posting that there is more than one test available to order to check our vitamin D level.

I am wondering if I did not have 2 different tests for my last checks.

My GP ordered my vitamin D checked when I had my last fasting lipid profile in January. My result was 41 after the 12-hour+ fast. Don't know which test was used.

The very next day I was at my cancer center for regular blood draw which happened to also include my vitamin D level. On my result they say that the 25 Hydroxy test was used. Result was 50.4. I had taken my multivitamin and calcium/D supplement that morning.

Curious what anyone thinks about this discrepancy or if that would be a normal variation in a 24-hour period?

04-08-2010, 02:47 PM	#1
StephN Senior Member Join Date: Nov 2004 Location: Misty woods of WA State Posts: 4,128	Vitamin D3 question #1 Rich - Thanks for posting that there is more than one test available to order to check our vitamin D level. I am wondering if I did not have 2 different tests for my last checks. My GP ordered my vitamin D checked when I had my last fasting lipid profile in January. My result was 41 after the 12-hour+ fast. Don't know which test was used. The very next day I was at my cancer center for regular blood draw which happened to also include my vitamin D level. On my result they say that the 25 Hydroxy test was used. Result was 50.4. I had taken my multivitamin and calcium/D supplement that morning. Curious what anyone thinks about this discrepancy or if that would be a normal variation in a 24-hour period? __________________ "When I hear music, I fear no danger. I am invulnerable. I see no foe. I am related to the earliest times, and to the latest." H.D. Thoreau Live in the moment. MY STORY SO FAR ~~~~ Found suspicious lump 9/2000 Lumpectomy, then node dissection and port placement Stage IIB, 8 pos nodes of 18, Grade 3, ER & PR - Adriamycin 12 weekly, taxotere 4 rounds 36 rads - very little burning 3 mos after rads liver full of tumors, Stage IV Jan 2002, one spot on sternum Weekly Taxol, Navelbine, Herceptin for 27 rounds to NED! 2003 & 2004 no active disease - 3 weekly Herceptin + Zometa Jan 2005 two mets to brain - Gamma Knife on Jan 18 All clear until treated cerebellum spot showing activity on Jan 2006 brain MRI & brain PET Brain surgery on Feb 9, 2006 - no cancer, 100% radiation necrosis - tumor was still dying Continue as NED while on Herceptin & quarterly Zometa Fall-2006 - off Zometa - watching one small brain spot (scar?) 2007 - spot/scar in brain stable - finished anticoagulation therapy for clot along my port-a-catheter - 3 angioplasties to unblock vena cava 2008 - Brain and body still NED! Port removed and scans in Dec. Dec 2008 - stop Herceptin - Vaccine Trial at U of W begun in Oct. of 2011 STILL NED everywhere in Feb 2014 - on wing & prayer 7/14 - Started twice yearly Zometa for my bones Jan. 2015 checkup still shows NED 2015 Neuropathy in feet - otherwise all OK - still NED. Same news for 2016 and all of 2017. Nov of 2017 - had small skin cancer removed from my face. Will have Zometa end of Jan. 2018.