2006 ICD-9-CM Volume 1 Diagnosis Codes > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > 780 General symptoms 781 Symptoms involving nervous and musculoskeletal systems 782 Symptoms involving skin and other integumentary tissue 783 Symptoms concerning nutrition metabolism and development 784 Symptoms involving head and neck 785 Symptoms involving cardiovascular system 786 Symptoms involving respiratory system and other chest symptoms 787 Symptoms involving digestive system 788 Symptoms involving urinary system 789 Other symptoms involving abdomen and pelvis