List of ICD-9 codes 780–799: symptoms, signs, and ill-defined conditions

ICD-9 chapters
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

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.

Symptoms (780–789)

780 General symptoms
- 780.0 Alteration of consciousness
- 780.1 Hallucinations
- 780.2 Syncope
- 780.3 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
- 780.8 Sweating, excessive
- 780.9 Other general symptoms
  - 780.91 Fussy infant
  - 780.92 Crying, infant, excessive
  - 780.93 Memory loss
  - 780.94 Early satiety
  - 780.95 Other excessive crying
  - 780.96 Generalized pain
  - 780.97 Altered mental status
  - 780.99 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
  - Dysdiadochokinesia
  - Ataxia NOS
  - Hypotonia
- 781.5 Clubbing of fingers
- 781.8 Neurologic neglect syndrome
- 781.9 Other symptoms involving nervous and musculoskeletal systems
  - 781.91 Loss of height
  - 781.92 Abnormal posture
  - 781.94 Facial weakness
782 Symptoms involving skin and other integumentary tissue
- 782.0 Sensory disturbance skin
- 782.1 Rash, nonvesicular, unspec.
- 782.2 Localized swelling/mass, superficial
- 782.3 Edema, localized, NOS
- 782.4 Jaundice
- 782.5 Cyanosis
- 782.7 Petechiae
- 782.8 Change in skin texture
- 782.9 Other symptoms involving skin
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
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
  - 784.41 Aphonia
  - 784.49 Hoarseness
- 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
  - 784.91 Postnasal drip
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
- 786.0 Dyspnea and respiratory abnormalities
  - 786.03 Apnea
  - 786.04 Cheyne-Stokes respiration
  - 786.05 Shortness of breath
  - 786.06 Tachypnea
  - 786.07 Wheezing
  - 786.09 Other respiratory abnormalities
    - Bradypnea
- 786.1 Stridor
- 786.2 Cough
- 786.3 Hemoptysis
- 786.4 Abnormal sputum
- 786.5 Chest pain, unspec.
  - 786.51 Precordial pain
  - 786.52 Pleuritic pain
- 786.6 swelling, mass, or lump in chest
- 786.7 Abnormal chest sounds
  - Rales
- 786.8 Hiccoughs
787 Symptoms involving digestive system
- 787.0 Nausea and vomiting
  - 787.01 Nausea w/vomiting
  - 787.02 Nausea, alone
  - 787.03 Vomiting, alone
- 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
  - 787.91 Diarrhea, NOS
788 Symptoms involving urinary system
- 788.0 Renal colic
- 788.1 Dysuria
- 788.2 Retention of urine
- 788.3 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

Nonspecific abnormal findings (790–796)

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
  - Iron overload disorder
- 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
    - Reticulocytosis
791 Nonspecific findings on examination of urine
792 Nonspecific abnormal findings in other body substances
- 792.1 Blood in stool, occult
793 Nonspecific abnormal findings on radiological and other examination
- 793.1 Abnormal X-ray, lung TERM: 9/30/11
- 793.8 Mammogram, abnormal, unspec.
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
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
- 796.2 Elevated BP w/o hypertension

Ill-defined and unknown causes of morbidity and mortality (797–799)

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

v t e Signs and symptoms relating to perception, emotion and behaviour
Cognition	Confusion Delirium Psychosis Delusion Amnesia Anterograde amnesia Retrograde amnesia Convulsion Dizziness Disequilibrium Presyncope/Lightheadedness Vertigo
Emotion	Anger Anxiety Depression Fear Paranoia Hostility Irritability Suicidal ideation
Behavior	Verbosity Russell's sign
Perception	Sensory processing disorder Hallucination (Auditory hallucination) Smell Anosmia Hyposmia Dysosmia Parosmia Phantosmia Hyperosmia Synesthesia Taste Ageusia Hypogeusia Dysgeusia Hypergeusia

v t e Signs and symptoms relating to movement and gait
Gait	Gait abnormality CNS Scissor gait Cerebellar ataxia Choreic gait Festinating gait/Parkinsonian gait Magnetic gait Marche à petit pas Propulsive gait Stomping gait Spastic gait Truncal ataxia Vestibular gait Muscular Myopathic gait/Waddling gait Trendelenburg gait Pigeon gait Foot drop Steppage gait Toe walking Asymmetric gait Leaping gait Asynchronous gait Gunslinger's gait Hemiparetic gait Limp Antalgic gait Deformity Lotus gait
Coordination	Ataxia Cerebellar ataxia Dysmetria Dysdiadochokinesia Pronator drift Dyssynergia Sensory ataxia Asterixis Abasia Hemimotor neglect
Abnormal movement	Athetosis Chorea Tremor Fasciculation Fibrillation Myokymia Myoclonus Hyperkinesia / Hypokinesia Myotonia / Pseudomyotonia Hypotonia Stereotypy Akathisia Echopraxia Echolalia
Posturing	Abnormal posturing Stooped posture Camptocormia Osteoporosis Opisthotonus Spasm Trismus Cramp Tetany Hypertonia Joint locking Catalepsy Waxy flexibility Grimacing Tonic immobility
Paralysis	Flaccid paralysis Periodic paralysis Spastic paraplegia Spastic diplegia Spastic paraplegia Syndromes Monoplegia Diplegia / Paraplegia Hemiplegia Triplegia Tetraplegia / Quadruplegia General causes Upper motor neuron lesion Lower motor neuron lesion Sleep paralysis
Weakness	Hemiparesis Gowers' sign Locomotive syndrome Ptosis
Range of motion	Contracture Bethlem sign Club foot Joint stiffness Ankylosis Hypermobility Gorlin sign EDS HSD Boutonniere deformity Swan neck deformity Scoliosis Kyphosis
Other	Rachitic rosary Flat feet Overpronation/Flexible flat feet Knock-knee Bow-leggedness Back knee Hyporeflexia Hyperreflexia Clasp-knife response Shivering Hypnic jerk Astasia-abasia Vertigo Motion sickness Conversion disorder Shell shock Stupor Catatonia Dancing mania

v t e Signs and symptoms relating to skin and subcutaneous tissue
Disturbances of skin sensation	Hypoesthesia Paresthesia Formication Hyperesthesia Hypoalgesia Hyperalgesia
Circulation	Cyanosis Pallor Livedo Livedo reticularis Flushing Petechia Blanching
Edema	Peripheral edema Anasarca
Other	Rash Desquamation Induration Diaphoresis Mass Neck mass
Skin	Asboe-Hansen sign Auspitz's sign Borsari's sign Braverman's sign Crowe sign Dennie–Morgan fold Darier's sign Fitzpatrick's sign Florid cutaneous papillomatosis Gottron's sign Hutchinson's sign Janeway lesion Kerr's sign Koebner's phenomenon Koplik's spots Leser-Trelat sign Nikolsky's sign Pastia's sign Russell's sign Wickham striae Wolf's isotopic response Munro's microabscess
Nails	Aldrich-Mees' lines Beau's lines Muehrcke's lines Terry's nails

v t e Signs and symptoms relating to the reproductive system
Female	Cervical motion tenderness Strawberry cervix Boggy uterus Adnexal mass Vaginal discharge Vaginal Odor Cramping Endometrium Arias-Stella phenomenon Canga's bead symptom Genital ulcer
Male	Testicular pain sudden Discharge from penis Inflammation/Redness Swollen testicles Prehn's sign Genital ulcer

v t e Signs and symptoms relating to the urinary system
Pain	Dysuria Renal colic Costovertebral angle tenderness Vesical tenesmus
Control	Urinary incontinence Enuresis Diurnal enuresis Giggling Nocturnal enuresis Post-void dribbling Stress Urge Overflow Urinary retention
Volume	Oliguria Anuria Polyuria
Other	Lower urinary tract symptoms Nocturia urgency frequency Extravasation of urine Uremia
Eponymous	Addis count Brewer infarcts Lloyd's sign Mathe's sign