The ICD-9 code range POLIOMYELITIS AND OTHER NON-ARTHROPOD-BORNE VIRAL DISEASES AND PRION DISEASES OF CENTRAL NERVOUS SYSTEM for 045-049 is medical classification list by the World Health Organization (WHO).
Acute poliomyelitis
Acute paralytic poliomyelitis specified as bulbar
Acute paralytic poliomyelitis specified as bulbar, poliovirus, unspecified type
Acute paralytic poliomyelitis specified as bulbar, poliovirus type I
Acute paralytic poliomyelitis specified as bulbar, poliovirus type II
Acute paralytic poliomyelitis specified as bulbar, poliovirus type III
Acute poliomyelitis with other paralysis
Acute nonparalytic poliomyelitis
Slow virus infection of central nervous system
Jakob-creutzfeldt disease
Other specified prion diseases of central nervous system
Meningitis due to enterovirus
Other non-arthropod-borne viral diseases of central nervous system