2006 ICD-9-CM Volume 1 Diagnosis Codes > Infectious And Parasitic Diseases 001-139 > Poliomyelitis And Other Non-Arthropod-Borne Viral Diseases Of Central Nervous System 045-049 > 045 Acute poliomyelitis 046 Slow virus infection of central nervous system 047 Meningitis due to enterovirus 048 Other enterovirus diseases of central nervous system 049 Other non-arthropod-borne viral diseases of central nervous system