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This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799. The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1. Both volumes can be downloaded for free from the website of the World Health Organization.
| Chapter | Block | Title |
|---|---|---|
| I | 001–139 | Infectious and Parasitic Diseases |
| II | 140–239 | Neoplasms |
| III | 240–279 | Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders |
| IV | 280–289 | Diseases of the Blood and Blood-forming Organs |
| V | 290–319 | Mental Disorders |
| VI | 320–389 | Diseases of the Nervous System and Sense Organs |
| VII | 390–459 | Diseases of the Circulatory System |
| VIII | 460–519 | Diseases of the Respiratory System |
| IX | 520–579 | Diseases of the Digestive System |
| X | 580–629 | Diseases of the Genitourinary System |
| XI | 630–679 | Complications of Pregnancy, Childbirth, and the Puerperium |
| XII | 680–709 | Diseases of the Skin and Subcutaneous Tissue |
| XIII | 710–739 | Diseases of the Musculoskeletal System and Connective Tissue |
| XIV | 740–759 | Congenital Anomalies |
| XV | 760–779 | Certain Conditions originating in the Perinatal Period |
| XVI | 780–799 | Symptoms, Signs and Ill-defined Conditions |
| XVII | 800–999 | Injury and Poisoning |
| E800–E999 | Supplementary Classification of External Causes of Injury and Poisoning | |
| V01–V82 | Supplementary Classification of Factors influencing Health Status and Contact with Health Services | |
| M8000–M9970 | Morphology of Neoplasms |
- 780 General symptoms
- 780.0 Alteration of consciousness
- 780.1 Hallucinations
- 780.2 Syncope
- 780.3 Convulsions
- 780.31 Febrile convulsions
- 780.32 Complex febrile convulsions
- 780.39 Other convulsions
- 780.4 Dizziness/vertigo, NOS
- 780.5 Sleep disturbance, unspec.
- 780.50 Unspecified sleep disturbance
- 780.51 Insomnia with sleep apnea, unspecified
- 780.52 Insomnia, unspecified
- 780.53 Hypersomnia with sleep apnea, unspecified
- 780.54 Hypersomnia, unspecified
- 780.55 Disruptions of 24-hour sleep-wake cycle, unspecified
- 780.56 Dysfunctions associated with sleep stages or arousal from sleep
- 780.57 Unspecified sleep apnea
- 780.58 Sleep related movement disorder, unspecified
- 780.59 Other sleep disturbances
- 780.6 Fever, nonperinatal
- 780.7 Malaise and fatigue
- 780.71 Chronic fatigue syndrome
- 780.72 Functional quadriplegia
- 780.79 Other malaise and fatigue
- 780.8 Sweating, excessive
- 780.9 Other general symptoms
- 781 Symptoms involving nervous and musculoskeletal systems
- 781.0 Abnormal involuntary movements
- 781.1 Disturbances, smell and taste
- 781.2 Gait abnormality
- 781.3 Lack of coordination
- 781.5 Clubbing of fingers
- 781.8 Neurologic neglect syndrome
- 781.9 Other symptoms involving nervous and musculoskeletal systems
- 782 Symptoms involving skin and other integumentary tissue
- 783 Symptoms concerning nutrition, metabolism and development
- 783.0 Anorexia
- Loss of appetite
- 783.1 Abnormal weight gain
- 783.2 Abnormal loss of weight
- 783.3 Feeding difficulties and mismanagement
- 783.4 Lack of expected normal physiological development
- 783.5 Polydipsia
- 783.6 Polyphagia
- 783.9 Other
- 783.0 Anorexia
- 784 Symptoms involving head and neck
- 784.0 Headache
- 784.1 Throat pain
- 784.2 Swelling mass or lump in head and neck
- 784.3 Aphasia
- 784.4 Voice disturbance
- 784.5 Dysarthria
- 784.6 Other symbolic dysfunction
- 784.60 Symbolic dysfunction, unspecified
- 784.61 Alexia and dyslexia
- 784.7 Epistaxis
- 784.8 Hemorrhage from throat
- 784.9 Other symptoms involving head and neck
- 785 Symptoms involving cardiovascular system
- 785.0 Tachycardia
- 785.1 Palpitations
- 785.2 Murmur of heart, undiagnosed
- 785.3 Other abnormal heart sounds
- 785.4 Gangrene
- 785.5 Shock, unspec.
- 785.50 Shock unspecified
- 785.51 Cardiogenic shock
- 785.52 Septic shock
- 785.6 Enlarged lymph nodes
- 785.9 Bruit
- 786 Symptoms involving respiratory system and other chest symptoms
- 787 Symptoms involving digestive system
- 787.0 Nausea and vomiting
- 787.1 Heartburn
- 787.2 Dysphagia
- 787.3 Gas/bloating
- 787.4 Visible peristalsis
- 787.5 Abnormal bowel sounds
- 787.6 Encopresis, NOS, fecal incontinence
- 787.9 Other symptoms involving digestive system
- 788 Symptoms involving urinary system
- 788.0 Renal colic
- 788.1 Dysuria
- 788.2 Retention of urine
- 788.3 Urinary incontinence
- 788.30 Urinary incontinence unspecified
- 788.31 Urge incontinence
- 788.32 Stress incontinence
- 788.33 Mixed incontinence
- 788.34 Incontinence without sensory awareness
- 788.35 Post-void dribbling
- 788.36 Nocturnal enuresis
- 788.37 Continuous leakage
- 788.38 Overflow incontinence
- 788.39 Other urinary incontinence
- 788.4 Frequency of urination and polyuria
- 788.5 Oliguria and anuria
- 788.6 Other abnormality of urination
- 788.63 Urgency of urination
- 789 Other symptoms involving abdomen and pelvis
- 789.0 Abdominal pain
- 789.1 Hepatomegaly
- 789.2 Splenomegaly
- 789.3 Abdominal/pelvic mass, unspec.
- 789.4 Abdominal rigidity
- 789.5 Ascites
- 789.6 Abdominal tenderness
- 790 Nonspecific findings on examination of blood
- 790.0 Abnormal red blood cell
- 790.1 Elevated sedimentation rate
- 790.2 Abnormal glucose
- 790.21 Impaired fasting glucose
- 790.22 Impaired glucose tolerance test (oral)
- 790.29 Other abnormal glucose
- 790.3 Excessive blood level of alcohol
- 790.4 Abnormal transaminase/LDH
- 790.5 Other nonspecific abnormal serum enzyme levels
- 790.6 Abnormal blood chemistry, other
- 790.7 Bacteremia (not septicemia)
- 790.8 Viremia, unspecified
- 790.9 Other nonspecific findings on examination of blood
- 790.91 Abnormal arterial blood gases
- 790.92 Abnormal coagulation profile
- 790.93 Abnormal prostate specific antigen
- 790.99 Other
- 791 Nonspecific findings on examination of urine
- 792 Nonspecific abnormal findings in other body substances
- 793 Nonspecific abnormal findings on radiological and other examination
- 794 Nonspecific abnormal results of function studies
- 794.1 Peripheral nervous system and special senses
- 794.15 Abnormal auditory function study
- 794.3 Cardiovascular
- 794.31 Abnormal electrocardiogram
- 794.1 Peripheral nervous system and special senses
- 795 Nonspecific abnormal histological and immunological findings
- 795.0 Nonspecific abnormal Papanicolaou smear of cervix
- 795.5 Positive PPD TERM: 9/30/11
- 796 Other nonspecific abnormal findings
- 797 Senility without mention of psychosis
- 798 Sudden death, cause unknown
- 798 Sudden infant death syndrome
- 799 Other ill-defined and unknown causes of morbidity and mortality
- 799.0 Asphyxia
- 799.1 Respiratory arrest
- 799.2 Nervousness
- 799.3 Debility
- 799.4 Cachexia
- 799.8 Other ill-defined conditions
- 799.81 Decreased libido
- 799.89 Other ill-defined conditions
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