» Antivenin (Micrurus Fulvius) conforms to the regulations of the FDA concerning biologics (see
Biologics 1041). It is the sterile, non-pyrogenic preparation derived by drying a frozen solution of specific venom-neutralizing globulins obtained from the serum of healthy horses immunized against venom of the Eastern Coral snake (
Micrurus fulvius). It is standardized by biological assay on mice, in terms of one dose of antivenin neutralizing the venom of
Micrurus fulvius in not less than 250 mouse LD
50. It may contain a suitable preservative. When constituted as specified in the labeling, it is opalescent and contains not more than 20.0 percent of solids, determined by drying 1 mL at 105
to constant weight (±1 mg).