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Doctor insights on: Legionella Pneumophila Ab Ig M Ifa

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How is the testing done for legionella pneumophila?

How is the  testing done for legionella pneumophila?

Urine test: There is a very accurate and rapid urine test to detect infection with legionella. The organism can also be cultured from sputum though this is more difficult. ...Read more

Dr. Gregory Lanza
811 doctors shared insights

Immunoglobulin M (Definition)

There are 5 classes of immune proteins: igg, iga, igm, ige and igd. Igm fights infection. If you produce too little then infections may occur and you have hypogammaglobulinemia. If you have too much you ...Read more


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What's legionella pneumophila?

What's legionella pneumophila?

Legionnaires disease: Legionella pneumophilia is the bacteria that causes legionaires' disease. It was first recognized when it caused an epidemic of pneumonia at a pennsylvania state american legion convention in philadelphia in 1976. Thus the name. ...Read more

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Toxoplasmosis - 2nd round: IgG 107.2 (156 1st test;) IgM 0.132 (0.15 1st test). Ifa 1:80. Is this confirmation of old infection? (16 weeks preg)

Toxoplasmosis - 2nd  round: IgG 107.2 (156 1st test;) IgM 0.132 (0.15 1st test). Ifa 1:80. Is this confirmation of old infection? (16 weeks preg)

Yes.: Your results are consistent with remote infection that should not affect a current pregnancy. Talk to your obstetrician as well. Avoid cat litter and all undercooked foods in pregnancy! ...Read more

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Had HSV DNA PCR test with CSF? Negative. Also had HSV 1/2 antibody (IgM), IFA with reflex to Titer, CSF. Negative. Can I still have HSV 1 or 2?

Had HSV DNA PCR test with CSF?  Negative.  Also had HSV 1/2 antibody (IgM), IFA with reflex to Titer, CSF. Negative. Can I still have HSV 1 or 2?

No HSV in CNS: With these tests, you're obviously under a doctor's care, maybe including an infectious diseases specialist or neurologist. They can answer these questions best. But these results effectively rule out HSV infection of your central nervous system. Something else is causing the problem. That said, the HSV IgM test is notoriously unreliable. You probably also had an IgG test, probably negative. ...Read more

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Core ab +be. Igm -ve. Surface antigen -ve. Surface ab +ve. E antigen -ve. E antibody +be. I was vaccinated for hepetitis b in 1996.Explain.

Core ab +be. Igm -ve. Surface antigen -ve. Surface ab +ve. E antigen -ve. E antibody +be. I was vaccinated for hepetitis b in 1996.Explain.

Sounds good: You'll do well to discuss with your personal health care provider, but it sounds to me like you recovered from an episode of hepatitis b, perhaps before you were immunized. ...Read more

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What does it mean to have a positive IgM p41 ab but IgM p39 ab. and IgM p23 ab. are negative? What causes p41 to be present?

What does it mean to have a positive IgM p41 ab but IgM p39 ab. and IgM p23 ab. are negative? What causes p41 to be present?

Unlikely lyme: P41 is not very specific for Lyme and 1.5 percent of general population may have it likely as protection against getting Lyme that is inherited rather than acquired. The other negative tests also confirm that u do not have it, but Lyme disease is a clinical diagnosis and all factors need to be considered. If you are still having symptoms, work with your doctor to get to the button of the problem ...Read more

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What is hepatitis b core ab IgM test?

What is hepatitis b core ab IgM test?

See below: Presence of IgM hepatitis b core antibody indicates an acute (current) or recent hepatitis b infection. ...Read more

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Age 49 healthy male. Oct 15 & Mar 16 EBV test comparisons. AB IGG >600 both AB IGM 52.4 74.4 EA IGG 23.4 29.2 NA IGG 51.3 40.5 Any advice, Tx?

Age 49 healthy male. Oct 15 & Mar 16 EBV test comparisons. 
AB IGG >600 both 
AB IGM 52.4 74.4 
EA IGG 23.4 29.2 
NA IGG 51.3 40.5
Any advice, Tx?

See below: 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 lab data indicates that you had EBV infection, like most adults have had. If you have no symptoms, there is nothing to be concerned about. ...Read more

Dr. Hirenkumar Italia
11 doctors shared insights

Legionella (Definition)

Legionella is a bacterium that is normally associated with water - air conditioning towers, fountains, hot tubs. This bacteria is associated with legionnaire's disease as well as ...Read more