Symptoms, signs, and ill-defined conditions

• 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
• Nonspecific abnormal findings (790-796)
  • 790 Nonspecific findings on examination of blood
  • 791 Nonspecific findings on examination of urine
  • 792 Nonspecific abnormal findings in other body substances
  • 793 Nonspecific abnormal findings on radiological and other examination of body structure
  • 794 Nonspecific abnormal results of function studies
  • 795 Nonspecific abnormal histological and immunological findings
  • 796 Other nonspecific abnormal findings
• Ill-defined and unknown causes of morbidity and mortality (797-799)
  • 797 Senility without mention of psychosis
  • 798 Sudden death, cause unknown
  • 799 Other ill-defined and unknown causes of morbidity and mortality