After having trouble doing my finger prick private blood test ( my blood is like treacle ! ) a friend agreed to draw the blood for the vacutainer. She - Sara is a practice nurse at a practice less than a mile from mine, both in the same district of Salford. When I requested a t3 at my surgery my doctor told me the labs won't do it. Sara was confused why I was paying for private tests, I explained to include t3, "why not get it done at your doctors" she asked. I explained and she said that's rubbish, the labs will do it. Its just whether your practice will pay for it !
We also discussed the ranges, I told her how my test last year was 0.4 above range for TSH and that my doctor didn't put up my meds. She said but your TSH should be less than 1 when properly medicated ! ! So there are medics out there that know these things and agree with us !
As a side note I have recently changed practices but not to that one 😕. Think I might change again !
This also proves that when your doctor says "oh the labs won't test t3" it probably means "I'm not paying for that out of my budget !"