200 would most likely mean 200C, this is a Nosode of TB.
You may be able to get it from some pratitioner, certainly me or anyone with a machine can make an imprint (shadow copy)....
From the Homepathic Activation section of the EPFX:
136 BACILLINUM: (Nos) (Tubercular lung tissue) Respiratory pyorrhoea. Tubercular meningitis. Chronic catarrh. Irritable, depressed. Repeated colds.