Doctor insights on:
Lupus Blood Test Results Explained
I had a biopsy on rashes it showed I have lupus. All my blood work is neg (lupus panel) wouldn't it show in blood test? Is this diagnosis wrong?
Discoid lupus: Have a good talk with the Dr who did the biopsy. ...Read more
Do you think if you have any kind of autoimmune disease? Like lupus or anything? Or would it have sawn in blood test. If blood result is normal.
See details: There are literally scores of autoimmune diseases. Some can be diagnosed with the help of lab tests and some cannot. Lupus can be present even if all autoantibody testing is negative. However, this is a rare occurrence. ...Read more
The result of my blood test for C3 complement is high and CPK result is too low, so do I have lupus?
Incomplete: Information. High C3 is an acute phase reactant and may be elevated in any case of inflammation. CPK is an indicator of muscle damage and there is no value that is too low. Diagnosis of lupus is based on a number of parameters and is a combination of clinical findings and lab tests. Please consult your doctor for a proper evaluation. ...Read more
Blood test result- ANA by EIA=negative. Is this reassuring as far as lupus or other autoimmune problem?
Mostly: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your tests are reassuring but do not 100% exclude autoimmune disorders as there are may such disorders that occur without ANA. ...Read more
The result of my blood test for C3 complement is high and CPK result is too low, does this mean I have symptoms of lupus?
What is IgG CMV blood test and what do results say about my health? Can it be indicative of lupus or another infection, disease, disorder, etc.?
Well: A positive test for CMV (cytomegalovirus) IgG indicates that a person was infected with CMV at some time during their life but the IgG test cannot determine when a person was infected. It is a common virus that is usually harmless. However the immunosuppressed can become quite ill. Most people don't even know they have had it. ...Read more
Yes: There is a simple blood test for lupus called an "ana" (for antinuclear antibody). It is positive, or detectable, in about 20% of healthy people, so it is only helpful as an initial screening. A doctor can ask questions, perform a physical exam and order further tests to figure out if a positive test indicates lupus. A negative test is very reassuring. ...Read more
If you is tell by your doctor just buy a blood test that you might have lupus what else could it be?
Many factors: Nobody really knows what lupus is, but making the diagnosis is crucial and lives depend on it. Bloodwork is one component along with other clinical features. The usual screen is the anti-nuclear antibody assay which picks up the vast majority of cases, though most people with positive ANA do not have lupus. Ask the titer, pattern, follow-up labs. ...Read more
What is the likelihood of a false negative herpes type specific blood test with background of lupus (sle)?
About 0% to 9%: Quest diagnostics' website states that their herpes type-specific IgG antibody test is 91-100% sensitive, so there are a few false negative results. A repeat test can be done 4-6 weeks later, if worried about a false negative. Lupus should not affect the result, but if a person is on strong immuno-suppressive therapy, his antibody production may be blocked, which may make test results unreliable. ...Read more
False positive for Lupus, now positive for HCV, waiting on blood test to confirm. Could HCV cause a false + for lupus?
Could you please tell me what blood test are used for lupus. I'm looking at blood test example CBC =blood count. Lupus=?
Yes, but....: Almost all lupus patients have anti-nuclear antibodies in their blood at significant levels, there are other blood tests, but the whole clinical picture needs to be considered before a diagnosis is made, and since no one truly knows what lupus is, some people carry the diagnosis of "borderline / questionable" lupus, and may or may not get treated. ...Read more
Yes: However, the chances are fairly low but not zero. See a rheumatologist if you are concerned. ...Read more
If someone is suspectd to get lupus in later stages i.E 30s-40s.Will his blood test for ANA & antidns b +iv in 10s-20s without disease symtoms.
Need big picture: I understand that you have mouth ulcers, unexplained weight loss, and are taking azathioprine and Plaquenil / hydroxychloroquine; you have a positive ANA at some titer and anti-dsdna. I suspect you have lupus though no one really knows what lupus is and it's defined by criteria; the burning question is whether to treat this aggressively. You deserve a 2nd opinion beyond what we can do. Best 2u. ...Read more
Can an ANA test or any blood test used to diagnose auto-immune diseases show all the types of lupus?
Not necessarily: Patients with systemic le will almost always have a positive ana. However, patients with lupus confined to the skin, i.e. Discoid le or scle (subacute cutaneous le)may not have a positive ana. A positive ANA by itself does not necessarily indicate sle and is seen in a number of medical conditions. The diagnosis of sle is made on the basis of historical, clinical and laboratory criteria. ...Read more
Hi I had 2 blood test that came back with lupus anticoagulant in feb 2012. I got told this won't affect me unless I get pregnant again is this true.
Blood test came back as follows: Anti-Double Stand DNA-14 IU/mL, (CH50)-63 U/mL. Rheumatologist says it is not Lupus, should I get a second opinion?
More information: Thr rheumatoid diseases are best diagnosed clinically. Go back to your doctor and discuss with him all your symptoms ...Read more
Can lupus give you a false negative pregnancy blood test? I have all the symptoms of pregnancy and no uti.
Not aware of: Lupus is not expected to interfere with pregnancy test. ...Read more
Negative ANA blood test but positive anti-dsDNA antibodies. Do I have lupus? What causes this? Very symptomatic.
Rheumatologist: This test alone is insufficient to diagnose lupus. It has to be supplemented with appropriate symptoms and physical findings. A rheumatologist is best qualified to evaluate, advise, and treat you, if needed. ...Read more
Can Diltiazem cause a lupus titer of 1:320? I also have positive ana and homogeneous pattern. All other blood test were normal.
Going for blood test this week to test for lupus and jra. Severe needle and blood phobia. Is there something I can take beforehand to calm down? Scared
Lupus sle panel blood test shows pos myocardial ab, if, myocardial ab titer 1:40, gastric pareital cell 43, RA factor 30. What does this mean?
Difficult to say: Without specific patient scenario, it is difficult to interpret. You can have lab test anomaly without clinical disease. Open the case... ...Read more
I have 2 MRI that show white spots, I have inflammation in my blood test, a spinal tap 5 olblglobin bands, postive lupus doctors say I?
Lupus: It looks like you are under the care of a doctor and have undergone extensive testing. Please follow your doctor's directions. ...Read more
Can you have vasculitis even if your urinaysis, all lupus and sjogren's blood test came back normal? Only C3 and vitamin B12 is low. I have patechiae
Petechiae rashes on upper chest. What could this be? I have had blood test for lupus and sjogren's syndrome but all came back negative except C3 level
Are they petechiae?: Real petechiae do not lose their color when you press down on them. With your dry eyes and joint pain, sjogren and lupus labs are in order. What's your platelet count, did you bleed badly during a dental procedure, and did your physician try something simple like a capillary fragility / tourniquet test? If it really petechiae without signs of clotting trouble, a dermatology consult is in order. ...Read more
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