The following test is not used for dignosis of leprosy-
Lepromatous test it is not a diagnostic test but a prognostic test. it helps in the classification of leprosy. antigens used for skin testing: mitsuda lepromin, Dharmendra leprominmanifests as biphasic reaction: early Fernandez (48-72hrs)and late mitsuda reaction (3-4weeks)Represents Cmi towards antigen. Erythema and induration more than 5mm indicates positive and good delayed hypersensitivity. lepromin test positive: tuberculoid, borderline tuberculoid leprosy lepromin test negative in lepromatous leprosy, borderline lepromatous leprosyand mid borderline leprosy iadvl textbook of dermatologypage 2060
Lepromin test
slit skin smear
Fine needle aspiration cytology
skin biopsy
Bacterial infections