Anti TB antibodies - IgG / IgM Lab Test

Anti TB antibodies - IgG / IgM
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Clinical Definition of Anti TB antibodies - IgG / IgM

The test is diagnostic evaluation for the qualitative distinction of IgG and IgM antibodies to Mycobacterium Tuberculosis in human serum and plasma.

Tuberculosis is caused by the bacteria Mycobacterium tuberculosis that generally effects the lungs however it can affect other parts of the body. It may cause pulmonary tuberculosis and various skin and abdomen infections. It spreads through the air from infected people - coughing, sneezing or spitting. 

Other commonly used methods to detect TB are:AFB, smear examination Culture, Mycobacterium Tuberculosis Mycobacterium antibody panel (TB-IgG, IgM, IgA)Mycobacterium Tuberculosis by RT-PCRQuantiferon TB GoldMantoux Test

When do you expect results?

24 to 36 Hours

Why Get Tested?

The Anti TB test (IgA, IgG, IgM) is restricted to a standard assesment of antibodies to Mycobacterium tuberculosis in human serum, plasma. It also recognizes antibodies of Mycobacterium bovis and Mycobacterium africanum. The test is a qualitative screening assay and is not for determining quantitative concentration of TB antibodies.

Reason to take Anti TB antibodies - IgG / IgM Test

Symptoms associated with TB test are: 

  • Unexplained weight loss
  • Loss of apetite
  • Fatigue
  • Fever
  • Night sweats
  • Chills
  • Prolonged and persistent cough
  • Painful coughing and breathing and blood in sputum
  • The severety of TB is spreads in the lungs it shows the following symptoms include:
  • Chest pain
  • Coughing up blood
  • Prolonged cough for more than three weeks

Preparations Needed for Anti TB antibodies - IgG / IgM Test

Preparatory instructions during specimen collection*:

No Fasting Required.

No other special preparations required.

Sample Required?

Specimen type:Serum (Blood Sample) 

Specimen collection procedure:Venipuncture - Collection of blood from a vein, usually from the arm.

Understanding results of Anti TB antibodies - IgG / IgM

Reference RangeInterpretation
201 - 300 Sero UnitBorderline Negative

‘*A Reference range is a set of values which helps the healthcare professional to interpret a medical test. It may vary with age, gender, and other factors. Reference ranges may also vary between labs, in value & units depending on instruments used and method of establishment of reference ranges’

References

  1. https://cvi.asm.org/content/19/4/522
  2. http://www.ncbi.nlm.nih.gov/pubmed/22301692
  3. http://www.bioline.org.br/pdf?ms05051
  4. http://www.cdc.gov/tb/topic/testing/default.htm
  5. http://www.tbfacts.org/serological-test-tb/
  6. http://www.omicsonline.org/open-access/a-critical-appraisal-of-the-ban-on-serological-tests-for-tuberculosis-usefulnessof-serological-monitoring-of-tuberculosis-antibodi-2327-5073-1000254.php?aid=75883