<prompt> The following test is not used for diagnosis of leprosy:Lepromin testSplit skin smearFine needle aspiration cytologySkin biopsy  <response>: Ans. is a i.e., Lepromin test: Lepromin test is not used for diagnosis:Lepromin test: It is an intradermal test with biphasic response and demonstrates the delayed type of hypersensitivity.a Early reaction of Fernandez: It occurs in 24-48 hours.b Late reaction of Mistuda: It peaks in 4 weeks and is more meaningful. It indicates that a person is able to mount cell mediated immunity against leprosy.It is used to:a Classify the lesion of leprosy.b To assess prognosis and response to treatment.c To assess resistance of individual to leprosy.Antigen used in Lepromin test:a Lepromin A: It is standard lepromin from armadillo derived lepra bacilli.b Lepromin H: Human derived lepra bacilli. 