Elevated a1c caused by diabetes or low iron?

[Anonymous]

I was diagnosed with t2d back in December with an A1c of 6.6 (fbg was at 89) but he also told me I had low iron so obviously after the diagnosis I went on a keto diet, started intermittent fasting and walked more. Later I found out that low iron levels, even if not anemic, can falsely elevate A1c levels. He just diagnosed me based off one A1c test. When I went back in January for a follow up lab work to monitor my blood sugar my A1c was down to 6.3 but knowing now how low iron can effect blood sugar levels and A1c, I requested a referral to see an endocrinologist for 2nd opinion and maybe an ogtt however he said if he tried to give me a referral it would get denied.

I changed my PCP due to the fact that he didn't mention anything about my low iron possibly causing a falsely elevated a1c. I was wondering if he was even a good doctor to begin with.

Why didn't my previous doctor mention that my low iron could have been the cause? Did I make the right decision to changey PCP or should I have trusted him more?

[sage2021]

You should also have your thyroid checked out.

[Asker]

I mentioned it to my new PCP. I'm also going to ask her to look into my iron levels.

[Anonymous]

Drink Guinness

[Asker]

The beer product? But I don't drink.

[Opinion Owner]

Exactly

[Anonymous]

It could be caused by a number of things.

[Asker]

He also told me I had low thyroid and I know that can cause it to elevate as well.

I had my blood work done again in late February. I've seen my results already which was A1c 5.9, fbg 91 now I just have to wait for my new PCP to analyze my results and from that she said she'll either be able to confirm the original diagnosis or rule it out and if not, then additional tests will be done.