What are the contraindications to indirect coomb's test?

A Coomb's test will indicate the formation of antibodies on the red blood cell. This test can be used to determine blood type, and diagnose certain hemolytic anemias. A Coombs' test may also indicate...

An indirect Coombs' test looks for antibodies to someone else's red blood cells in the patient's serum

in this test their is a no load on dc shunt motor so it is an indirect test

If the test is positive, the antigens that react will narrow the search for a cause

The Coombs' tests detect the antibodies responsible for the destruction of the red blood cells