Immunoglobulin a qn serum celiac

Aug 3, 2023 · In our chart review, 848 patients were identified, 85 (10.0%) of whom were found to be negative for celiac disease but had elevated total serum IgA levels (median IgA 351 mg/dL, interquartile range 324–382). Out of 85 patients, 73 were further evaluated by immunologists, with 55 patients undergoing additional laboratory workup.

Celiac disease is an autoimmune disorder in which the immune system mistakenly thinks that gluten – a protein in wheat, barley, rye, and oats – is a foreign invader. The immune system makes antibodies that attack an enzyme in the intestines called tissue transglutaminase (tTG). Celiac disease affects approximately 1% of the worldwide ...We aim to determine the prevalence and impact of IgA deficiency on CD presentation and diagnosis in North American adult patients. Methods: We reviewed 1000 consecutive patients undergoing IgA-tTG testing and 243 healthy controls. Eligible sera were tested for IgA-tTG, serum immunoglobulins, and IgA/IgG-deamidated gliadin peptide (IgA/IgG-DGP).When celiac disease is suspected, initial testing for serum immunoglobulin A (IgA) tissue transglutaminase (tTG) antibodies is useful because it …In patients with low pretest probability for celiac disease, generally a serologic testing screen is undertaken. This involves a tissue transglutaminase or an antiendomysial antibody test, both of which are IgA tests. If either test result is positive, then further diagnostic evaluation for adults involves upper endoscopy with small bowl biopsy.According to her high level of polyclonal immunoglobulin A in serum and massive infiltration of mature plasma cells in intestine, we diagnosed this patient with an immunoproliferative small intestinal disease. ... Celiac disease as an immune-mediated small intestinal enteropathy triggered by gluten has a prevalence about 0.5 to 1% of the ...

Immunoglobulin A, Qn, Serum 78 L 91-414. t-Transglutaminase (tTG) IgA >100 H 0-3. Negative 0-3. Weak Positive 4-10. Positive >10. Tissue Transglutaminase (tTG) has been identified as the endomysial antigen. ... The most common nutrient deficiencies associated with celiac disease that may lead to testing for the condition include iron, …May 1, 2023 · Immunoglobulin A (IgA), one of the five primary immunoglobulins, plays a pivotal role in mucosal homeostasis in the gastrointestinal, respiratory, and genitourinary tracts, functioning as the dominant antibody of immunity in this role.[1] It is the second most abundant immunoglobulin type found in the body and, consequently, has a crucial role in protection against antigens.[2] IgA production ... A tissue transglutaminase IgA (or, tTg-IgA) test helps doctors diagnose celiac disease. If you have celiac disease, your immune system is triggered when you eat gluten. Your body starts treating ...This test measures the amount of immunoglobulins in your blood. Immunoglobulins are also called antibodies. Antibodies are proteins that your immune system makes to fight germs, such as viruses and bacteria. When you're exposed to germs, your body makes unique antibodies that are specifically designed to destroy only those germs.Victims of celiac disease are deficient in IgA as compared to the general population. Total immunoglobulin A (IgA) and Anti-tissue Transglutaminase Antibody (tTG) are the two most important tests performed in the beginning to diagnose celiac disease. The EMA-IgA test is an important marker for celiac disease, portraying a 99% accuracy rate.

Another liability to this most common celiac disease test is that typically only immunoglobulin A (IgA) is evaluated. IgA, a part of the immune system primarily found in mucous membranes, such as the small intestine, is the most sensitive for antibody testing, but only when a patient has normal functioning.Immunoglobulin A (IgA) deficiency is 10 to 15 times more common in patients with celiac disease (CD) than in healthy subjects. Serological tests have become the preferred methods of diagnosing CD in both symptomatic and asymptomatic patients. However, commercially available serological methods are l …I told him that I was not feeling on top of my game and that my dad had celiac. ... celiac disease like my father. ... Immunoglobulin A, Qn, Serum ...Immunoglobulin G, Qn, Serum. Optimal Result: 586 - 1602 mg/dL. Interpret your laboratory results now. Immunoglobulin G (IgG), quantified in serum and expressed in quantitative terms, is a fundamental marker in immunology and a predominant antibody class in the body's immune response. Representing about 75% of serum antibodies in humans, IgG ...

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You have IgA antibodies in your blood, saliva, and gastric "juices." An immunoglobulins blood test measures the amounts of IgM, IgG, and IgA in your blood to help diagnose different types of health conditions that may affect your immune system. Other names: quantitative immunoglobulins, total immunoglobulins, IgG, IgM, IgA testing.Immunoglobulin A: Total IgA levels below the age-specific reference range suggest either a selective IgA deficiency or a more generalized immunodeficiency. For individuals with a low or high IgA level, additional clinical and laboratory evaluation is recommended. ... -CDSP / Celiac Disease Serology Cascade, Serum: Complete serology testing ...I had these tests run: celiac disease complete panel High immunoglobulin a, qn, serum 432 91-414 mg/dL deamidated gliadin abs, igg 24 0-19 units deamidated gliadin abs, iga 6 0-19 units t-transglutaminase (ttg) igg 2 0-5 U/mL t-transglutaminase (ttg) iga <2 0-3 My CPR also came back High High c-reactive protein, quant 14.5 0.0-4.9 mg/L My iron ...5 days ago ... Immunoglobulin A Qn Serum Celiac. 001768: Immunoglobulins, Quantitative, IgA, IgG,. Sometimes DGP IgA or DGP IgG (deamidated gliadin peptide), a ...

IgA is a secretory immunoglobulin mostly found in body fluids. It is present in high concentrations in the mucus membranes of the stomach. Variance in normal IgA levels by age is sometimes an indicator of an ailment called Celiac Disease. Normal Immunoglobulin A (IgA) level based on age 0 - 18+ years is 7 - 356 mg/dLDeamidated Gliadin Abs, Iga = 76 High range 0-19, is part of a Celiac Antibody Profile of my blood test. Last test was 2-23-22 and every test has been in the 70's for 15 months now. My t-Transglutaminase (tTG) IgG = 4 Range 0-5, came down to normal after 3 months being on gluten-free diet. The test is for me and yes I consume dairy and only eat ...As I understand it, immunoglobulin A levels are tested as a sort of control to ensure that this aspect of your immune function is at adequate levels for accurate ttg …Multiple European studies report increased prevalence of selective Immunoglobulin A deficiency (SIgAD) and partial Immunoglobulin A deficiency (PIgAD) in celiac disease (CD) patients. However; prospective data representing North American adults are lacking.A distinguishing feature is the absence of IgA-secreting plasma cells in intestinal biopsy specimens in IgA-deficient patients. 24–26 Antigliadin IgA, antitissue transglutaminase IgA, and antiendomysial IgA antibodies cannot be used as screening tests for this population, which is why some celiac panels come with a measurement of serum IgA to ...Sep 9, 2011 · t-Transglutaminase (tTG) IgG <2 U/mL 0-5. Endomysial Antibody IgA Negative Negative. Immunoglobulin A, Qn, Serum 315 mg/dL 70-400. Thanks all!! Therese. The last part is the test for the endomysial antibody (a very Celiac specific marker)...you were negative. The second test was for IgA deficiency (immunoglobulin, A, quant). Immunoglobulin A (IgA), one of the five primary immunoglobulins, plays a pivotal role in mucosal homeostasis in the gastrointestinal, respiratory, and genitourinary tracts, functioning as the dominant antibody of immunity in this role.[1] It is the second most abundant immunoglobulin type found in the body and, consequently, has a crucial role in protection against antigens.[2] IgA production ...Hi there, gorgeous! Have you achieved flawless Chok Chok with your skincare regimen? Can you navigate the world of serums, CC and BB creams with ease? If your K-beauty slang game i...Get ratings and reviews for the top 11 pest companies in Yorba Linda, CA. Helping you find the best pest companies for the job. Expert Advice On Improving Your Home All Projects Fe...Project Title/Research Areas: Early Detection of Ovarian Cancer by Serum Marker and Targeted Ultrasound ImagingPrincipal Investigator/Institution: Animesh Project Title/Research Ar...Abstract. Immunoglobulin A (IgA) is a major immunoglobulin isotype in the gut and plays a role in maintenance of gut homeostasis. Secretory IgA (SIgA) has multiple functions in the gut, such as to regulate microbiota composition, to protect intestinal epithelium from pathogenic microorganisms, and to help for immune-system development.

Hello all. I recently went to a gastroenterologist for on/off left pelvic region pain. He ordered a blood test and all numbers are fine except under “Celiac Disease panel” it shows that the “Immunoglobulin A, Qn, Serum is high at 629.”

When celiac disease (CD) is suspected, guidelines recommend use of both a tissue transglutaminase (TTG) immunoglobulin A (IgA) test and a total serum IgA test (if selective IgA deficiency has not previously been ruled out). If selective IgA deficiency is present, serologies should focus on CD-specific IgG antibodies.Individuals with SIgAD lack serum (IgA <7 mg/dl) and secretory IgA, but they do make all the other immunoglobulin classes. Some of the individuals with SIgAD also have IgG subclass deficiency. Among the four IgG subclasses, low IgG2 levels are most commonly observed. In those who have associated allergic diseases, serum IgE levels may be …Deamidated Gliadin Abs, IgG 0.6 (within range) t-Transglutaminase (tTG) IgA 1 (negative range) t-Transglutaminase (tTG) IgG 9 HIGH (weak positive 6-9; positive >9) Endomysial Antibody IgA negative. Immunoglobulin A, Qn, Serum 105 (within range) Since they were Gluten-free Casein-free, I wasn't surprised that they showed negative on the IgA tests.Testing Algorithm. If the IgA-endomysial antibodies result is positive or indeterminate, then the antibody titer will be performed at an additional charge. The following algorithms are available: - Celiac Disease Comprehensive Cascade Test Algorithm. -Celiac Disease Diagnostic Testing Algorithm. - Celiac Disease Gluten-Free Cascade Test Algorithm. Very low proportions (0 to 8%) of IgA-deficient sera and control sera were positive for TG-IgA, gliadin IgA, EMG, and TG-IgG. Eight of 26 (31%) IgA-deficient serum samples were positive for gliadin IgG, whereas 3 of 26 (12%) control serum samples were positive for gliadin IgG, but this difference was not statistically significant. Selective IgA deficiency, sometimes called SIgAD, refers to an often-inherited blood condition that results from something lacking in the immune system. In this case, it's immunoglobulin A (IgA), which provides protection against infections in the membranes of the body. Contents Overview Symptoms and Causes Diagnosis and Tests Management and ...Europe’s new “vaccine passport” programme, which recognises some Covid-19 vaccines whose beneficiaries will be able to travel to Europe, includes the AstraZeneca vaccine but not Co...

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Very low proportions (0 to 8%) of IgA-deficient sera and control sera were positive for TG-IgA, gliadin IgA, EMG, and TG-IgG. Eight of 26 (31%) IgA-deficient serum samples were positive for gliadin IgG, whereas 3 of 26 (12%) control serum samples were positive for gliadin IgG, but this difference was not statistically significant.Interestingly, during the synthesis of all immunoglobulins, normal plasma cells produce a slight excess of kappa ( κ) and lambda ( λ) light chains over heavy chains. These small amounts are released into the serum as free kappa or lambda light chains (FLCs) (3.3–19.4 and 5.7–26.6 mg/L, respectively).Hi. My father was Dx with celiac disease a few years ago and I just recently realized I have many symptoms as well. I have not tested yet becuase I was using steroid cream to treat eczema, so I went off them to test. In the meantime, I decided to test my kids. The only tests that were done were t... I recently had a celiac panel done and it came back negative. however the immunoglobulin a, qn, serum level was low at 59. is this serious? Dr. John Chiu answered. Allergy and Immunology 59 years experience. Unlikely: Low IgA occurs in about 1/333 people. Most people with this isolated deficiency do not have problem. When celiac disease (CD) is suspected, guidelines recommend use of both a tissue transglutaminase (TTG) immunoglobulin A (IgA) test and a total serum IgA test (if selective IgA deficiency has not previously been ruled out). If selective IgA deficiency is present, serologies should focus on CD-specific IgG antibodies.Immunoglobulin A (IgA), Serum. Useful For. Detection or monitoring of IgA monoclonal gammopathies and IgA-related immune deficiencies. Testing Algorithm. The following algorithms are available: - Celiac Disease Comprehensive Cascade Test Algorithm. - Celiac Disease Diagnostic Testing Algorithm. - Celiac Disease Gluten-Free Cascade Test Algorithm.Immunoglobulin A (IgA), Serum. Useful For. Detection or monitoring of IgA monoclonal gammopathies and IgA-related immune deficiencies. Testing Algorithm. The following algorithms are available: - Celiac Disease Comprehensive Cascade Test Algorithm. - Celiac Disease Diagnostic Testing Algorithm. - Celiac Disease Gluten-Free Cascade Test Algorithm.IgA-deficient people have a tendency to develop infections and disorders of the gut, such as malabsorption, lactose intolerance, celiac disease, and ulcerative colitis [25, 33]. Risk of Autoimmune Diseases. Patients with selective IgA deficiency (undetectable IgA but normal IgG and IgM levels) have a 10 to 20 times higher risk of celiac disease .Celiac disease is an autoimmune condition in which the body’s own immune system attacks the small intestine when gluten is consumed. Celiac disease is an autoimmune condition in wh...Posted February 2. Since your total IGA (Immunoglobulin A, Qn) is not low, the tTG-IGA (which is a fraction of total IGA) test value returned should be reliable. Low total IGA drives the individual IGA values down. So, this is not a problem in your case. Your tTG-IGA is unequivocally positive.May 14, 2008 · Yes, with the amount of gluten you are eating daily it would not surprise me that your will have positive test results after 7 weeks. The Mayo Clinic time line calls for the daily consumption of gluten in the amount equivalent to two slices of wheat bread (either whole wheat or white) for 6-8 weeks), though that standard has recently been called into question... ….

This test measures the amount of immunoglobulins in your blood. Immunoglobulins are also called antibodies. Antibodies are proteins that your immune system makes to fight germs, such as viruses and bacteria. When you're exposed to germs, your body makes unique antibodies that are specifically designed to destroy only those germs.There are two modern blood tests for celiac disease: Tissue transglutaminase IgA antibody level (commonly referred to as "tTG") Deamidated Gliadin Peptide IgA/IgG antibody level (commonly referred to as DGP) The most frequently used test is the tTG. It is accurate at detecting most people with celiac disease on a gluten-containing diet.1 ...Immunoglobulin G, Qn, Serum. Optimal Result: 586 - 1602 mg/dL. Interpret your laboratory results now. Immunoglobulin G (IgG), quantified in serum and expressed in quantitative terms, is a fundamental marker in immunology and a predominant antibody class in the body's immune response. Representing about 75% of serum antibodies in …Immunoglobulin A (IgA) deficiency is the most common primary immunodeficiency characterized by a decreased amount of serum IgA and a concomitant lack of secretory IgA. Other immunoglobulin levels are normal. By the International Consensus definition, the diagnosis is established in individuals older than four years whose blood levels of IgA are below 7 mg/dl but have normal levels of IgG and ...The odds of having celiac hepatitis was almost 5-fold higher in patients with a TTG-IgA level higher than 310 U/ml (OR = 4.8, 95%CI = 1.213-18.781, p = 0.025). Conclusions: Higher TTG-IgA levels are a predictive factor for celiac hepatitis in adult patients with celiac disease at diagnosis.The tTG-IgA test is the preferred celiac disease serologic test for most patients. 1 Research suggests that the tTG-IgA test has a sensitivity of 78% to 100% and a specificity of 90% …Serums can be a great addition to any skin care routine, if you're looking for a healthy way to decrease the signs of lines or wrinkles. We picked 10 products that suit many skin t...Customer. immunoglobulin a qn serum 479 range high. DrRussMD, Expert. OkThis is not specific and really does not mean anything exact except that there is an elevationYou would need an immunoglobulin electrophoresis to have more detail.However this can mean liver disease [cirrhosis], inflammation, and some tumors.good luck Let me know if you ...Nov 6, 2014 ... IgAD is characterized by total IgA serum levels below 0.06 g/L and normal levels of IgM and IgG [3]. Although the majority of IgAD ... Immunoglobulin a qn serum celiac, Immunoglobulin A, Qn, Serum. Optimal Result: 87 - 352 mg/dL. Interpret your laboratory results now. Immunoglobulin A (IgA), one of the five primary immunoglobulins, plays a pivotal role in mucosal homeostasis in the gastrointestinal, respiratory, and genitourinary tracts, functioning as the dominant antibody of immunity in this role., The prevalence of IgA deficiency/partial deficiency among adults and children with CD was 2.06% and 1.89%, respectively (P =0.99). Demographic information for adults and children is sum-marized in Tables 1 and 2, respectively. There were no significant differences in sex or mean age of diagnosis be-tween the IgA-deficient (total and partial ..., Coordinates of each backbone carbon atom were derived PDB entry 3cm9. [2] Immunoglobulin A ( Ig A, also referred to as sIgA in its secretory form) is an antibody that plays a role in the immune function of mucous membranes. The amount of IgA produced in association with mucosal membranes is greater than all other types of antibody combined. [3], Celiac disease is a gluten enteropathy occurring in both children and adults. The disease is probably underdiagnosed in that it may affect as much as 1% of the population in the United States. ... Immunoglobulin A, Qn, Serum: mg/dL: 2458-8: Reflex Table for Immunoglobulin A, Qn, Serum; Order Code Order Name Result Code Result Name …, I know she still might have celiac disease and we will be doing the GC, but wondered if ya'll could comment on this. Antigliadin Abs, IgG 18 (Neg 1-9 Pos >9) t-Transglutaminase (tTG) IgG 18 (Neg 0-5 Weak Pos 6-9 Pos >9) Immunoglobulin A, Qn, Serum 46 (mg/DL 20-100) Thanks so much for your help. Beck, Customer: Hi, my Immunoglobulin A, Qn, Serum came <5 very low. Does this mean I could have celiac disease? Doctor's Assistant: What are all your symptoms? Have you talked to a doctor about celiac disease? Customer: My rheumathologist is testing me for lupus anticoagulants, sjogrens and RA. Two years ago I was in a lot of back and neck pain ..., Immunoglobulin A (IgA) deficiency is 10 to 15 times more common in patients with celiac disease (CD) than in healthy subjects. Serological tests have become the preferred methods of diagnosing CD in both symptomatic and asymptomatic patients. However, ..., Patient sera. All sera submitted for testing for EMA over a 3-month period (n = 510) were selected for study.An equal number of consecutive serum specimens submitted for Helicobacter pylori IgG testing served as a gastrointestinal symptom control group. IgA levels were measured within 2 days after completion of testing for EMA or H. pylori IgG; …, You have IgA antibodies in your blood, saliva, and gastric "juices." An immunoglobulins blood test measures the amounts of IgM, IgG, and IgA in your blood to help diagnose different types of health conditions that may affect your immune system. Other names: quantitative immunoglobulins, total immunoglobulins, IgG, IgM, IgA testing., Celiac disease is an autoimmune disorder in which the immune system mistakenly thinks that gluten – a protein in wheat, barley, rye, and oats – is a foreign invader. The immune system makes antibodies that attack an enzyme in the intestines called tissue transglutaminase (tTG). Celiac disease affects approximately 1% of the worldwide ..., The Immunoglobulin A (IgA) test is run with the celiac disease tests because it helps verify if the TTG, EMA or DGP IgA test versions work. If a person is IgA deficient, doctors must run the Immunoglobulin G (IgG) tests. The immunoglobulin tests are just control tests when testing for celiac disease., Celiac disease is a chronic autoimmune disorder that causes negative side effects in people who eat gluten, which is found in foods like barley, wheat, rye, and small amounts of oa..., Immunoglobulins are Y-shaped molecules made up of sugar and protein produced by plasma cells, a type of white blood cell. They have three main functions: The tip of immunoglobulins contains an ..., Immunoglobulin A (IgA) mediates mucosal responses to food antigens and the intestinal microbiome and is involved in susceptibility to mucosal pathogens, celiac disease, inflammatory bowel disease ..., This test measures the amount of immunoglobulins in your blood. Immunoglobulins are also called antibodies. Antibodies are proteins that your immune system makes to fight germs, such as viruses and bacteria. When you're exposed to germs, your body makes unique antibodies that are specifically designed to destroy only those germs. , However, some people who have IgA deficiency experience pneumonia, ear infections, sinus infections, allergies, asthma and diarrhea. Autoimmune diseases, in which your immune system attacks particular organs or tissues in your own body, can be found with selective IgA deficiency. Common autoimmune conditions found with IgA deficiency include ..., Immunoglobulins are Y-shaped molecules made up of sugar and protein produced by plasma cells, a type of white blood cell. They have three main functions: The tip of immunoglobulins contains an ..., Victims of celiac disease are deficient in IgA as compared to the general population. Total immunoglobulin A (IgA) and Anti-tissue Transglutaminase Antibody (tTG) are the two most important tests performed in the beginning to diagnose celiac disease. The EMA-IgA test is an important marker for celiac disease, portraying a 99% accuracy rate., Posted April 18, 2013. As I understand it, immunoglobulin A levels are tested as a sort of control to ensure that this aspect of your immune function is at adequate levels for accurate ttg IgA, EMA IgA, DGP IgA and AGA IgA (celiac) tests. Your IgA levels are low, as are approximately 5% of all celiacs (higher than regular population)., Immunoglobulin A, Qn, Serum 149 90-386 normal reference My problem comes in as I am moving states for a new job opportunity in early January. ... I also had the celiac test back in 2019 when I was having the worst stomach issues and received the same results (without the tTG IgG and DGA tests) so I think that might have also come …, Dec. 15, 2022. Common variable immunodeficiency (CVID) is a primary immunodeficiency disorder characterized by decreased levels of serum immunoglobulin (Ig), with an estimated prevalence of 1 in 25,000 individuals. Patients with CVID are at increased risk of impaired antibody responses, as well as noninfectious, inflammatory manifestations., The present study investigated serum immunoglobulin (Ig) concentrations in relation to demographic factors, common habits (alcohol consumption and smoking) and metabolic abnormalities in an adult population-based survey including 460 individuals. Serum levels of interleukin (IL)-6, a marker of inflammation, were also determined., However, some people who have IgA deficiency experience pneumonia, ear infections, sinus infections, allergies, asthma and diarrhea. Autoimmune diseases, in which your immune system attacks particular organs or tissues in your own body, can be found with selective IgA deficiency. Common autoimmune conditions found with IgA deficiency include ..., Coordinates of each backbone carbon atom were derived PDB entry 3cm9. [2] Immunoglobulin A ( Ig A, also referred to as sIgA in its secretory form) is an antibody that plays a role in the immune function of mucous membranes. The amount of IgA produced in association with mucosal membranes is greater than all other types of antibody …, The gamma globulin band as seen in conventional serum protein electrophoresis consists of 5 immunoglobulins. In normal serum, about 80% is IgG, 15% is IgA, 5% is IgM, 0.2% is IgD, and a trace is IgE. Elevations of IgG, IgA, and IgM may be due to polyclonal immunoglobulin production. Monoclonal gammopathies of all types may lead to a spike …, Aug 3, 2023 · In our chart review, 848 patients were identified, 85 (10.0%) of whom were found to be negative for celiac disease but had elevated total serum IgA levels (median IgA 351 mg/dL, interquartile range 324–382). Out of 85 patients, 73 were further evaluated by immunologists, with 55 patients undergoing additional laboratory workup. , Posted April 30, 2023. Isolated IgG DGP antibodies are not very specific for coeliac disease. In people under the age of 18, has a positive predictive value (PPV) of about 3% The small study below estimates a PPV of between 2.3% and 51.8% in adults (the large uncertainty is due to the small size of the study)., Posted April 30, 2023. Isolated IgG DGP antibodies are not very specific for coeliac disease. In people under the age of 18, has a positive predictive value (PPV) of about 3% The small study below estimates a PPV of between 2.3% and 51.8% in adults (the large uncertainty is due to the small size of the study)., Immunoglobulin A, Qn, Serum 218 mg/dL reference interval 70-400. Deamidated Gliadin Abs, IgA 76 High units (>30 is moderate to strong positive) Deamidated Gliadin Abs, IgG 3 units 0-19 reference interval. t-Transglutaminase (tTG) IgA <2 U/mL 0-3 reference interval. Tissue Transglutaminase (tTG)has been identified as the endomusial antigen., When an electron loses its partner, it creates a free radical. So is that free radical now hazardous to your health? HowStuffWorks explains. Advertisement The other day, I bought a..., Limitations. A negative tTG IgA result in an untreated patient does not rule out gluten-sensitive enteropathy. This result can often be explained by selective IgA deficiency, a relatively frequent finding in celiac disease. Results of this assay should be used in conjunction with clinical findings and other serological tests., Immunoglobulin A, Qn, Serum. Optimal Result: 87 - 352 mg/dL. Interpret your laboratory results now. Immunoglobulin A (IgA), one of the five primary immunoglobulins, plays a pivotal role in mucosal homeostasis in the gastrointestinal, respiratory, and genitourinary tracts, functioning as the dominant antibody of immunity in this role., What is an immunoglobulins blood test? What is it used for? Why do I need an immunoglobulins blood test? What happens during an immunoglobulins blood test? Will …