What does a positive ANA titer 1 mean?

In most cases, a positive ANA test indicates that your immune system has launched a misdirected attack on your own tissue — in other words, an autoimmune reaction. But some people have positive ANA tests even when they’re healthy.

What does an ANA titer of 1 320 mean?

If the ANA titre is high (e.g. 1:640, 1:1280 or 1:2560), this indicates more severe disease. If the ANA titre is low (e.g. 1:40, 1:80 or even 1:160), there is often no autoimmune disease. If the ANA titre is in the middle (e.g. 1:320), the result is less clear and should be interpreted in the clinical context.

What does an ANA titer of 1 100 mean?

A laboratory that begins at 1:40 may call a test positive, while a laboratory that begins at 1:100 would call it negative. Most lupus patients have very strongly positive tests – essentially always more than 1:80, often more than 1:5120. Most laboratories count 1:80 and higher as clearly positive.

What does an ANA titer of 1 640 mean?

In our laboratory, an ANA titer of 1:640 is defined as a “high titer” because of a 0.5% prevalence of positives in normal individuals.

What is considered a high titer ANA?

A titer of 1:160 or above is commonly considered a positive test result. Other conditions with ANA associations include Crohn’s disease, mononucleosis, subacute bacterial endocarditis, tuberculosis, and lymphoproliferative diseases.

What cancers show positive ANA?

Neoplastic diseases may cause positive ANA. Some authors have described that ANA is found in the sera from lung, breast, head and neck cancer patients as frequently as in RA and SLE 3, 4, 5. Chapman et al. 6 has suggested that in breast cancer they may be used as an aid to early diagnosis.

What is considered a high ANA titre?

Is a ANA titer 1 160 high?

What does high Ana titre mean for autoimmune disease?

If the ANA titre is high (e.g. 1:640, 1:1280 or 1:2560), this indicates more severe disease If the ANA titre is low (e.g. 1:40, 1:80 or even 1:160), there is often no autoimmune disease If the ANA titre is in the middle (e.g. 1:320), the result is less clear and should be interpreted in the clinical context

What does an ANA level of 1 : 640 mean?

An ANA of 1:640 is high enough to indicate lupus or a similar autoimmune connective tissue disease, rather than the other autoimmune diseases such as thryoid which may also happen to have an elevated ANA assuming there are any of the relevant typical symptoms. Other diseases tend to have lower levels.

What can cause Ana titre of 1 : 2560?

Here is the site if you want to try it: http://www.mayoclinic.org/symptom-checker/select-symptom/itt-20009075 I have a few of your symptoms but I’m not sure they are related or have the same cause.

What is a positive ANA titer test?

A positive ANA titer blood test indicates the presence of an autoimmune disease. Additional testing is usually performed as a follow-up to help determine what specific disease may be present.