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Igg subclasses
There are 5 types of immunoglobulins: iga, igg, ige, igm and igd. There are 4 types of igg simply called igg1, igg2, igg3, and igg4. You can have a normal total igg level but deficiencies in one or more subclasses.
Dr. Thomas Klein reviewed this
43 year experience in Allergy and Immunology
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Related questions
A 36-year old female asked:
What could it mean to have high absolute cd19+ b cells (627 cells/ul) but have low levels of total IgG and IgG subclasses?
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A 33-year old male asked:
What makes IgG subclasses different from each other? Is it light chain/heavy chain component of IgG that differs for each subclass? I don't get it.
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A 20-year old female asked:
My results show low IgG but normal level igG subclasses, is the low igG level still significant?
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A 33-year old male asked:
What produces IgG subclasses? Are b cells and/or t cells involved? Too complicated to explain? Is there a book that i can buy that explains this?
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A 57-year old female asked:
What causes low total IgG with normal IgG subclasses? SLE patient.GFR 45-55.
1 doctor answer • 2 doctors weighed in
A 54-year old male asked:
Hi: What is significance of high IGM, (twice top reference range level), very high IGE, with low IGG, low IGG subclasses, and low IGA? Thanks much!
1 doctor answer • 1 doctor weighed in
A 39-year old female asked:
Was being tested for autoimmune hepatitis but everything has been negative/normal ASMA, ANA, Iron, TIBC. Neg Hep A,B,C. igG subclasses test normal ranges except igG4 185.7 mg/dL. I did have rising ALT and AST but those have come down. What is igG4?
1 doctor answer • 2 doctors weighed in
A 20-year old female asked:
Tested for autoimmune and reoccurring chest/sinus/flu illness cause. Low gamma globulin and IgG but normal subclasses, is this significant to symptoms?
1 doctor answer • 1 doctor weighed in
A 43-year old asked:
Which of the four subclasses of IgG cannot move across the placenta?
1 doctor answer • 3 doctors weighed in
A 45-year old asked:
What causes IgG deficency ?
1 doctor answer • 2 doctors weighed in
A 43-year old asked:
Do family practice doctors do igg?
1 doctor answer • 3 doctors weighed in
A 44-year old asked:
What is the reason of decrease in igg?
1 doctor answer • 2 doctors weighed in
A 38-year old female asked:
Is an IgG level of 3.5g/l significantly low?
1 doctor answer • 3 doctors weighed in
A 68-year old female asked:
If an IgG kappa paraproteinaemia is measured as 7g?
1 doctor answer • 1 doctor weighed in
A 26-year old female asked:
Is it possible to be IgG positive for herpes 8 weeks after exposure?
2 doctor answers • 2 doctors weighed in
A 31-year old male asked:
1:256 igg for rmsf, anything else that will show a high positive for this?
1 doctor answer • 2 doctors weighed in
A female asked:
Is a culture test more accurate then a igg herpes test or should I do both?
1 doctor answer • 2 doctors weighed in
A 55-year old female asked:
Igg level need to know meaning does higher or lower meanings for a normal levels please?
1 doctor answer • 1 doctor weighed in
A 35-year old female asked:
Can you tell me the most common cause for elevated igg? I had a celiac panel and this was the only abnormal result.
1 doctor answer • 1 doctor weighed in
A 26-year old female asked:
Neg herpes test 4months post exposure. What is the chance it would be neg due to IgG levels being low if i was having a recurrence?
1 doctor answer • 1 doctor weighed in
A 28-year old female asked:
I took a herpeselect test. Help understanding resultshsv 1 IgG herpeselect ab 0.30 0.00-0.89""2 "" ab 0.46 0.00-0.89 what's the meaning?
1 doctor answer • 2 doctors weighed in
A 24-year old female asked:
I had a vhs2-igg result of 0.5, my first "outbreak" was a month ago, what does this mean? I have to retake the test or can I trust this result?
1 doctor answer • 1 doctor weighed in
A 23-year old female asked:
I had a vhs II IgG result of 0.5, my first outbreak was a month ago, what does this mean? I have to retake the test or can I trust this result?
1 doctor answer • 1 doctor weighed in
A 26-year old female asked:
How long should you wait for a IgG herpes test? If i've already had symptoms will it show up? It's been about 11 weeks since possible exposure.
1 doctor answer • 1 doctor weighed in
A member asked about a female:
Hi, my son is 9 and takes Hizentra infusions weekly for hypogammaglobemnia. IgG is now normal but Subclass 3 is still low and subclass 2 is now high?
2 doctor answers • 4 doctors weighed in
A 38-year old asked:
What is an IgG lambda paraproteins?
1 doctor answer • 3 doctors weighed in
A 38-year old asked:
What do low IgG levels mean in my son.?
1 doctor answer • 2 doctors weighed in
A 67-year old male asked:
What does it mean when your IGG is high?
2 doctor answers • 2 doctors weighed in
A 44-year old asked:
What is IgG and its important characteristics?
1 doctor answer • 1 doctor weighed in
A 34-year old asked:
What exactly does a low IgG (3) level indicate?
1 doctor answer • 2 doctors weighed in
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