The ICD-9 code range for DISEASES OF THE RESPIRATORY SYSTEM 460-519 is medical classification list by the World Health Organization (WHO).
ICD-9 Code range (460-519), DISEASES OF THE RESPIRATORY SYSTEM, contains ICD-9 codes for ACUTE RESPIRATORY INFECTIONS, THE UPPER RESPIRATORY TRACT, RESPIRATORY SYSTEm, OTHER LUNG DISEASES,PNEUMONIA AND INFLUENZA.