The igm immunoglobulin in Delhi Test is a blood test that measures the levels of immunoglobulin M and antibodies produced by your body's immune system in response to recent infections. These antibodies are basically the first line of defense against any new infections. The increased levels basically indicate a recent or acute infection. So, the tests basically help in early detection. The immunoglobulin igm test in Delhi helps the doctors identify some acute infections or understand the body's response to new infections. The igm levels can indicate the active immune response of the body and helps in monitoring the disease progression.