The test used to diagnose Dubin Johnson syndrome is-: (A) Bromsulphalein test (BSP), (B) Scrum transaminases, (C) Hippuratc test, (D) Gamma glutamyl transferase level
Answer is A. A prolonged BSP dye excretion test is diagnostic of Dubin Johnson syndrome
BSP is a dye which is removed from circulation by the same mechanism as bilirubin.