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What do my test results mean??


newjoy82

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newjoy82 Rookie

A while back I had a celiac panel done and one came back slightly elevated and I had the gene test done and it was negative. Fast forward and I just had some other blood work done and celiac testing was included. I attached a picture, but total IgA was 65 considered high risk. The four other sub test were normal. Can someone please help me understand what it means? I read about that referring to immune system issues, but I don't understand what it has to do with Celiac if the other ones are negative. In addition to this CRP is elevated. Hormones are out of whack. Iron and transferrin saturation are high. Cortisol is high. Carbon Monoxide is low. Don't know if any of that has anything to do with the IgA or not. Any comments or ideas would be greatly appreciated. Thank you

Test.webp


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frieze Community Regular

your low IgA makes your IgA tests moot. however, you IgG test was also neg, though higher.

Jmg Mentor

You may find this interesting re your IGA total score: Open Original Shared Link

You don't mention any symptoms, is there a reason you had the blood tests?

cyclinglady Grand Master

The IGA deficiency test is used in celiac disease testing as a control test.  It validates all the iga celiac tests (like Ttg iga).  The rest of your panel is negative (IGG) (assuming you were consuming gluten daily) and your gene test was negative making celiac disease unlikely, but I am not a doctor that's for sure.  

Now, having an IGa deficiency also can be a flag for celiac disease as many of them are, but many also have Type 1 diabetes and Hashimoto's Thyroiditis which are also flags.  This just alerts the doctor that pursuing a celiac disease diagnosis might be prudent. It seems like you doctor did just that.  Many people have no issues with being IGA deficient.  JMG provided a nice link explaining it.  

Is your doctor concerned about your other lab test results (not related to celiac disease)? 

 

newjoy82 Rookie

Hi, thank you for the responses. The blood work was done by my neurologist/headache specialist. I go back for a follow up on the 30th. His notes said to follow up with PCP about all of the items I mentioned in the original post. Most of the things seem sort of non-specific... so I don't really know how they related to each other or my overall health/current conditions. I have hemicrania continua and fibromyalgia diagnosed. So, symptoms are headache (not really a accurate description) FMS stuff...muscle/joint pain, stomach stuff, fatigue, sleep issues, etc.

The Ttg IgG came back slightly elevated in the past but wasn't this time and I was negative on the gene, so I assume I don't have a gluten sensitivity, but I wanted to be sure that I don't need to be avoiding it.

So, I understand what the low IgA means...I tend to get sinus infections frequently. My allergy dr mentioned low IgA and gave me pneumonia shot and allergy shots which has helped a little. I don't totally understand why it's part of the celiac panel. Is it just because if it's low the others could test low giving a false negative? If that's the case, how do you figure out if you need to avoid gluten?

cyclinglady Grand Master
17 minutes ago, newjoy82 said:

Hi, thank you for the responses. The blood work was done by my neurologist/headache specialist. I go back for a follow up on the 30th. His notes said to follow up with PCP about all of the items I mentioned in the original post. Most of the things seem sort of non-specific... so I don't really know how they related to each other or my overall health/current conditions. I have hemicrania continua and fibromyalgia diagnosed. So, symptoms are headache (not really a accurate description) FMS stuff...muscle/joint pain, stomach stuff, fatigue, sleep issues, etc.

The Ttg IgG came back slightly elevated in the past but wasn't this time and I was negative on the gene, so I assume I don't have a gluten sensitivity, but I wanted to be sure that I don't need to be avoiding it.

So, I understand what the low IgA means...I tend to get sinus infections frequently. My allergy dr mentioned low IgA and gave me pneumonia shot and allergy shots which has helped a little. I don't totally understand why it's part of the celiac panel. Is it just because if it's low the others could test low giving a false negative? If that's the case, how do you figure out if you need to avoid gluten?

Again, in the case of celiac disease testing the iga deficiency test is just used as a control test.  It tells you if the other celiac disease iga tests are actually working.  If you are low on the iga deficiency test when being tested for celiac disease, then the doctor needs to Run the entire panel and look only at the IGG test results.  Your doctor did this.  

Jmg Mentor
43 minutes ago, newjoy82 said:

 

The Ttg IgG came back slightly elevated in the past but wasn't this time and I was negative on the gene, so I assume I don't have a gluten sensitivity, but I wanted to be sure that I don't need to be avoiding it.

 

I would strongly urge you not to discount gluten as a potential cause on the basis of negative celiac tests. I tested negative for celiac blood markers and on a subsequent endoscopy, but believe you me I react extremely strongly to any gluten. Negative tests may mean you have Open Original Shared Link, basically a diagnosis for those who react favourably to the gluten free diet, but don't test positive for celiac:

Quote

individuals with non-celiac gluten sensitivity have a prevalence of extraintestinal or non-GI symptoms, such as headache, “foggy mind,” joint pain, and numbness in the legs, arms or fingers. 

I suggest discussing with your PCP and if they exclude celiac and don't plan any further tests, go ahead and give a gluten free diet a try. Keep a food diary and see if it has any impact. It costs nothing to try it and for me after just 3 days I knew a massive change was taking place.   

Best of luck :) 


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cyclinglady Grand Master
5 minutes ago, Jmg said:

I would strongly urge you not to discount gluten as a potential cause on the basis of negative celiac tests. I tested negative for celiac blood markers and on a subsequent endoscopy, but believe you me I react extremely strongly to any gluten. Negative tests may mean you have Open Original Shared Link, basically a diagnosis for those who react favourably to the gluten free diet, but don't test positive for celiac:

I suggest discussing with your PCP and if they exclude celiac and don't plan any further tests, go ahead and give a gluten free diet a try. Keep a food diary and see if it has any impact. It costs nothing to try it and for me after just 3 days I knew a massive change was taking place.   

Best of luck :) 

I agree!  celiac disease can be ruled out, but that doesn't mean that you do not have a gluten issue.  Science still does not know much about gluten sensitivities.  They barely understand celiac disease!  Someday there might be a test, but for now,  use a food journal.  

My hubby went gluten-free 12 years before my diagnosis per the poor advice of his GP and my allergist.  I say this because it would have been nice to rule out celiac disease for sure.   The diet worked.  Gluten makes him sick. 

newjoy82 Rookie

Thanks so much for all your responses. Some of this stuff is a bit confusing so I appreciate the feedback. I'll be talking to the dr to see what I need to do. I tried gluten free for a few weeks a while back, but didn't notice anything major. What should I notice and how long should it be before I notice a change? I had someone tell me it takes 6 months. Other people have mentioned a few days.

Jmg Mentor
1 hour ago, newjoy82 said:

 I tried gluten free for a few weeks a while back, but didn't notice anything major.

Was this before or after he blood test? If you were gluten free that could have affected the result?

Quote

What should I notice and how long should it be before I notice a change? I had someone tell me it takes 6 months. Other people have mentioned a few days

I can only say in my case within 3 days I could read in my food diary how I was improving. At the time I felt absolutely dreadful and the immediate effect was a lifting brain fog and depression. The full extent of recovery however took a lot longer.  Did you keep a food diary when you went gluten-free? 

newjoy82 Rookie

The gluten free was after the first blood test probably a year and a half ago to see if there would be any improvement. I just cut out all gluten and focused of fruits/veggies/meats...anything else I ate was specifically gluten free.

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      The first set of results show two positive results for celiac disease, so at the very least it looks like you could have it, or at the least NCGS.   Approximately 10x more people have non-celiac gluten sensitivity than have celiac disease, but there isn’t yet a test for NCGS. If your symptoms go away on a gluten-free diet it would likely signal NCGS.      
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      Elevated tissue transglutaminase IgA (tTG-IgA) levels are highly specific for celiac disease, and they are a key biomarker used in its diagnosis. However, there are some rare instances where elevated tTG-IgA levels have been reported in conditions other than celiac disease. While these cases are not common, they have been documented in the literature. Below are some examples and references to studies or reviews that discuss these scenarios:  1. Non-Celiac Gluten Sensitivity (NCGS)    - NCGS typically does not cause elevated tTG-IgA levels, as it is not an autoimmune condition. However, some individuals with NCGS may have mild elevations in tTG-IgA due to intestinal inflammation or other factors, though this is not well-documented in large studies.    - Reference: Catassi, C., et al. (2013). *Non-Celiac Gluten Sensitivity: The New Frontier of Gluten-Related Disorders*. Nutrients, 5(10), 3839–3853. [DOI:10.3390/nu5103839](https://doi.org/10.3390/nu5103839)  2. Autoimmune Diseases    - Elevated tTG-IgA levels have been reported in other autoimmune conditions, such as type 1 diabetes, autoimmune hepatitis, and systemic lupus erythematosus (SLE). This is thought to be due to cross-reactivity or polyautoimmunity.    - Reference: Sblattero, D., et al. (2000). *The Role of Anti-Tissue Transglutaminase in the Diagnosis and Management of Celiac Disease*. Autoimmunity Reviews, 1(3), 129–135. [DOI:10.1016/S1568-9972(01)00022-3](https://doi.org/10.1016/S1568-9972(01)00022-3)  3. Chronic Liver Disease    - Conditions like chronic hepatitis or cirrhosis can sometimes lead to elevated tTG-IgA levels, possibly due to increased intestinal permeability or immune dysregulation.    - Reference: Vecchi, M., et al. (2003). *High Prevalence of Celiac Disease in Patients with Chronic Liver Disease: A Role for Gluten-Free Diet?* Gastroenterology, 125(5), 1522–1523. [DOI:10.1016/j.gastro.2003.08.031](https://doi.org/10.1016/j.gastro.2003.08.031)  4. Inflammatory Bowel Disease (IBD)    - Some patients with Crohn’s disease or ulcerative colitis may have elevated tTG-IgA levels due to intestinal inflammation and damage, though this is not common.    - Reference: Walker-Smith, J. A., et al. (1990). *Celiac Disease and Inflammatory Bowel Disease*. Journal of Pediatric Gastroenterology and Nutrition, 10(3), 389–391. [DOI:10.1097/00005176-199004000-00020](https://doi.org/10.1097/00005176-199004000-00020)  5. Infections and Parasites    - While infections (e.g., giardiasis) are more commonly associated with false-positive tTG-IgA results, chronic infections or parasitic infestations can sometimes lead to elevated levels due to mucosal damage.    - Reference: Rostami, K., et al. (1999). *The Role of Infections in Celiac Disease*. European Journal of Gastroenterology & Hepatology, 11(11), 1255–1258. [DOI:10.1097/00042737-199911000-00010](https://doi.org/10.1097/00042737-199911000-00010)  6. Cardiac Conditions    - Rarely, heart failure or severe cardiovascular disease has been associated with elevated tTG-IgA levels, possibly due to gut ischemia and increased intestinal permeability.    - Reference: Ludvigsson, J. F., et al. (2007). *Celiac Disease and Risk of Cardiovascular Disease: A Population-Based Cohort Study*. American Heart Journal, 153(6), 972–976. [DOI:10.1016/j.ahj.2007.03.019](https://doi.org/10.1016/j.ahj.2007.03.019)  Key Points: - Elevated tTG-IgA levels are highly specific for celiac disease, and in most cases, a positive result strongly suggests celiac disease. - Other conditions causing elevated tTG-IgA are rare and often accompanied by additional clinical findings. - If celiac disease is suspected, further testing (e.g., endoscopy with biopsy) is typically required for confirmation. If you’re looking for more specific studies, I recommend searching PubMed or other medical databases using terms like "elevated tTG-IgA non-celiac" or "tTG-IgA in non-celiac conditions." Let me know if you’d like help with that!
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