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About the test
What is this test done for?
The leptospira Elisa IgG is a specific test to detect the specific IgG in serum of human beings with current or past leptospirosis.
Why is it Done?
It is done to diagnose the infection leptospirosis, which is caused by the pathogenic bacteria called leptospira.
When should it be performed?

This test is done when a person shows following symptoms:

  • High fever
  • Rigors
  • Headache especially periorbital
  • Photophobia
  • Dry cough
  • Nausea, vomiting
  • Pharyngitis
  • Anorexia
  • Muscle pain localized to calf and lumbar areas
  • In severe cases, icterus (jaundice)
  • Renal failure with oligouria
  • Shock
How is it done
A blood sample will be collected from a vein in your arm. No fasting is required prior to sample collection.
The test is done in conjunction with Elisa IgM leptospira.
  • If Elisa IgG is positive, i.e.higher than 20 then it suggests past infections.
  • If it is lower than 20 with positive IgM levels then it would probably suggest acute infections.
Other Tests
A complete blood count along with liver function tests would help to rule out other diagnosis as symptoms are similar of viral hepatitis too. Furthermore, Elisa IgM in conjunction with IgG will help to detect current or past infections.
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