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INTERNATIONAL CLASSIFICATION OF DISEASES

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vertical line Table of Contents Alphabetical Index of Diseases and Injuries Explanation of Disease Classification

16. Symptoms, Signs, and Ill-Defined Conditions (780-799)




This section includes symptoms, signs, abnormal results of laboratory or other investigative
 procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere
 is recorded.

Signs and symptoms that point rather definitely to a given diagnosis are assigned to some
 category in the preceding part of the classification. In general, categories 780-796 include
 the more ill-defined conditions and symptoms that point with perhaps equal suspicion to two
 or more diseases or to two or more systems of the body, and without the necessary study of
 the case to make a final diagnosis. Practically all categories in this group could be
 designated as "not otherwise specified," or as "unknown etiology," or as "transient." The
 Alphabetic Index should be consulted to determine which symptoms and signs are to be
 allocated here and which to more specific sections of the classification; the residual
 subcategories numbered .9 are provided for other relevant symptoms which cannot be allocated
 elsewhere in the classification.

The conditions and signs or symptoms included in categories 780-796 consist of: (a) cases
 for which no more specific diagnosis can be made even after all facts bearing on the case
 have been investigated; (b) signs or symptoms existing at the time of initial encounter
 that proved to be transient and whose causes could not be determined; (c) provisional
 diagnoses in a patient who failed to return for further investigation or care; (d) cases
 referred elsewhere for investigation or treatment before the diagnosis was made; (e) cases
 in which a more precise diagnosis was not available for any other reason; (f) certain
 symptoms which represent important problems in medical care and which it might be desired
 to classify in addition to a known cause.

SYMPTOMS (780-789)

780	General symptoms
780.0	Alteration of consciousness
Excludes:	coma:
diabetic (250.2-250.3)
hepatic (572.2)
originating in the perinatal period  (779.2)
780.01	Coma
780.02	Transient alteration of awareness
780.03	Persistent vegetative state
780.09	Other
Drowsiness
Semicoma
Unconsciousness
Somnolence
Stupor
780.1	Hallucinations
Hallucinations:
NOS
auditory
gustatory
olfactory
tactile
Excludes: those associated with mental disorders, as functional psychoses (295.0-298.9)
organic brain syndromes (290.0-294.9, 310.0-310.9)
visual hallucinations (368.16)
780.2	Syncope and collapse
Blackout
Fainting
(Near) (Pre)syncope
Vasovagal attack
Excludes:	carotid sinus syncope (337.0)
heat syncope (992.1)
neurocirculatory asthenia (306.2)
orthostatic hypotension (458.0)
shock NOS (785.50)
780.3	Convulsions
Excludes:	convulsions:
epileptic (345.10-345.91)
in newborn (779.0)
780.31	Febrile convulsions (simple), unspecified
Febrile seizures NOS
780.32	Complex febrile convulsions 
Febrile seizure: 
atypical
complex
complicated
Excludes:	status epilepticus (345.3)
780.39	Other convulsions
Convulsive disorder NOS
Fits NOS
Recurrent convulsions NOS
Seizure NOS
Seizures NOS
780.4	Dizziness and giddiness
Light-headedness
Vertigo NOS
Excludes:	Méniére's disease and other specified vertiginous syndromes (386.0-386.9)
780.5	Sleep disturbances
Excludes:	circadian rhythm sleep disorders (327.30-327.39)
organic hypersomnia (327.10-327.19)
organic insomnia (327.00-327.09)
organic sleep apnea (327.20-327.29)
organic sleep related movement disorders (327.51-327.59)
parasomnias (327.40-327.49)
that of nonorganic origin (307.40-307.49)
780.50	Sleep disturbance, unspecified
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
Excludes:	restless legs syndrome (333.94)
780.59	Other
780.6	Fever
Chills with fever
Fever NOS
Fever of unknown origin (FUO)
Hyperpyrexia NOS
Pyrexia NOS
Pyrexia of unknown origin
Code first underlying condition when associated fever is present, such as with:
leukemia (codes from categories 204, 205, 206, 207, 208)
neutropenia (288.00-288.09)
sickle-cell disease (282.60-282.69)
Excludes:	pyrexia of unknown origin (during):
in newborn (778.4)
labor (659.2)
the puerperium (672)
780.7	Malaise and fatigue
Excludes:	debility, unspecified (799.3)
fatigue (during):
combat (308.0-308.9)
heat (992.6)
pregnancy (646.8)
neurasthenia (300.5)
senile asthenia (797)
780.71	Chronic fatigue syndrome
780.79	Other malaise and fatigue
Asthenia NOS
Lethargy
Postviral (asthenic) syndrome
Tiredness
780.8	Generalized hyperhidrosis
Diaphoresis
Excessive sweating
Secondary hyperhidrosis
Excludes:	focal (localized) (primary) (secondary) hyperhidrosis (705.21-705.22)
Frey's syndrome (705.22)
780.9	Other general symptoms
Excludes:	hypothermia:
NOS (accidental) (991.6)
due to anesthesia (995.89)
of newborn (778.2-778.3)
memory disturbance as part of a pattern of mental disorder
780.91	Fussy infant (baby)
780.92	Excessive crying of infant (baby)
Excludes:	excessive crying of child, adolescent or adult (780.95)
780.93	Memory loss
Amnesia (retrograde)
Memory loss NOS
Excludes:	mild memory disturbance due to organic brain damage (310.1)
transient global amnesia (437.7)
780.94	Early satiety
780.95	Excessive crying of child, adolescent, or adult
Excludes:	excessive crying of infant (baby) (780.92)
780.96	Generalized pain
Pain NOS
780.97	Altered mental status
Change in mental status
Excludes:	altered level of consciousness (780.01-780.09)
altered mental status due to known condition - code to condition
delirium NOS (780.09)
780.99	Other general symptoms
Chill(s) NOS
Hypothermia, not associated with low environmental temperature
781	Symptoms involving nervous and musculoskeletal systems
Excludes:	depression NOS (311)
disorders specifically relating to:
back (724.0-724.9)
hearing (388.0-389.9)
joint (718.0-719.9)
limb (729.0-729.9)
neck (723.0-723.9)
vision (368.0-369.9)
pain in limb (729.5)
781.0	Abnormal involuntary movements
Abnormal head movements
Fasciculation
Spasms NOS
Tremor NOS
Excludes:	abnormal reflex (796.1)
chorea NOS (333.5)
infantile spasms (345.60-345.61)
spastic paralysis (342.1, 343.0-344.9)
specified movement disorders classifiable to 333 (333.0-333.9)
that of nonorganic origin (307.2-307.3)
781.1	Disturbances of sensation of smell and taste
Anosmia
Parageusia
Parosmia
781.2	Abnormality of gait
Gait:
ataxic
paralytic
spastic
staggering
Excludes:	ataxia:
NOS (781.3)
difficulty in walking (719.7)
locomotor (progressive) (094.0)
781.3	Lack of coordination
Ataxia NOS
Muscular incoordination
Excludes:	ataxic gait (781.2)
cerebellar ataxia (334.0-334.9)
difficulty in walking (719.7)
vertigo NOS (780.4)
781.4	Transient paralysis of limb
Monoplegia, transient NOS
Excludes:	paralysis (342.0-344.9)
781.5	Clubbing of fingers
781.6	Meningismus
Dupre's syndrome
Meningism
781.7	Tetany
Carpopedal spasm
Excludes:	tetanus neonatorum (771.3)
tetany:
hysterical (300.11)
newborn (hypocalcemic) (775.4)
parathyroid (252.1)
psychogenic (306.0)
781.8	Neurologic neglect syndrone
Asomatognosia
Hemi-akinesia
Hemi-inattention
Hemispatial neglect
Left-sided neglect
Sensory extinction
Sensory neglect
Visuospatial neglect
781.9	Other symptoms involving nervous and musculoskeletal systems
781.91	Loss of height
Excludes:	osteoporosis (733.00-733.09)
781.92	Abnormal posture
781.93	Ocular torticollis
781.94	Facial weakness
Facial droop
Excludes:	facial weakness due to late effect of cerebrovascular accident (438.83)
781.99	Other symptoms involving nervous and musculoskeletal systems
782	Symptoms involving skin and other integumentary tissue
Excludes:	symptoms relating to breast (611.71-611.79)
782.0	Disturbance of skin sensation
Anesthesia of skin
Burning or prickling sensation
Hyperesthesia
Hypoesthesia
Numbness
Paresthesia
Tingling
782.1	Rash and other nonspecific skin eruption
Exanthem
Excludes:	vesicular eruption (709.8)
782.2	Localized superficial swelling, mass, or lump
Subcutaneous nodules
Excludes:	localized adiposity (278.1)
782.3	Edema
Anasarca
Dropsy
Localized edema NOS
Excludes:	ascites (789.51-789.59)
edema of:
newborn NOS (778.5)
pregnancy (642.0-642.9, 646.1)
fluid retention (276.6)
hydrops fetalis (773.3, 778.0)
hydrothorax (511.8)
nutritional edema (260, 262)
782.4	Jaundice, unspecified, not of newborn
Cholemia NOS
Icterus NOS
Excludes:	jaundice in newborn (774.0-774.7)
due to isoimmunization (773.0-773.2, 773.4)
782.5	Cyanosis
Excludes:	newborn (770.83)
782.6	Pallor and flushing
782.61	Pallor
782.62	Flushing
Excessive blushing
782.7	Spontaneous ecchymoses
Petechiae
Excludes:	ecchymosis in fetus or newborn (772.6)
purpura (287.0-287.9)
782.8	Changes in skin texture
Induration of skin
Thickening of skin
782.9	Other symptoms involving skin and integumentary tissues
783	Symptoms concerning nutrition, metabolism, and development
783.0	Anorexia
Loss of appetite
Excludes:	anorexia nervosa (307.1)
loss of appetite of nonorganic origin (307.59)
783.1	Abnormal weight gain
Excludes:	excessive weight gain in pregnancy (646.1)
obesity (278.00)
morbid (278.01)
783.2	Abnormal loss of weight and underweight
Use additional code to identify Body Mass Index (BMI), if known (V85.0-V85.54)
783.21	Loss of weight
783.22	Underweight
783.3	Feeding difficulties and mismanagement
Feeding problem (elderly) (infant)
Excludes:	feeding disturbance or problems:
in newborn (779.3)
of nonorganic origin (307.50-307.59)
783.4	Lack of expected normal physiological development in childhood
Excludes:	delay in sexual development and puberty (259.0)
gonadal dysgenesis (758.6)
pituitary dwarfism (253.3)
slow fetal growth and fetal malnutrition (764.00-764.99)
specific delays in mental development (315.0-315.9)
783.40	Lack of normal physiological development, unspecified
Inadequate development
Lack of development
783.41	Failure to thrive
Failure to gain weight
783.42	Delayed milestones
Late talker
Late walker
783.43	Short stature
Growth failure
Growth retardation
Lack of growth
Physical retardation
783.5	Polydipsia
Excessive thirst
783.6	Polyphagia
Excessive eating
Hyperalimentation NOS
Excludes:	disorders of eating of nonorganic origin (307.50-307.59)
783.7	Adult failure to thrive
783.9	Other symptoms concerning nutrition, metabolism, and development
Hypometabolism
Excludes:	abnormal basal metabolic rate (794.7)
dehydration (276.51)
other disorders of fluid, electrolyte, and acid-base balance (276.0-276.9)
784	Symptoms involving head and neck
Excludes:	encephalopathy NOS (348.30)
specific symptoms involving neck classifiable to 723 (723.0-723.9)
784.0	Headache
Facial pain
Pain in head NOS
Excludes:	atypical face pain (350.2)
migraine (346.0-346.9)
tension headache (307.81)
784.1	Throat pain
Excludes:	dysphagia (787.20-787.29)
neck pain (723.1)
sore throat (462)
chronic (472.1)
784.2	Swelling, mass, or lump in head and neck
Space-occupying lesion, intracranial NOS
784.3	Aphasia
Excludes:	aphasia due to late effects of cerebrovascular disease (438.11)
developmental aphasia (315.31)
784.4	Voice disturbance
784.40	Voice disturbance, unspecified
784.41	Aphonia
Loss of voice
784.49	Other
Change in voice
Dysphonia
Hoarseness
Hypernasality
Hyponasality
784.5	Other speech disturbance
Dysarthria
Dysphasia
Slurred speech
Excludes:	stammering and stuttering (307.0)
that of nonorganic origin (307.0, 307.9)
784.6	Other symbolic dysfunction
Excludes:	developmental learning delays (315.0-315.9)
784.60	Symbolic dysfunction, unspecified
784.61	Alexia and dyslexia
Alexia (with agraphia)
784.69	Other
Acalculia
Agnosia
Agraphia NOS
Apraxia
784.7	Epistaxis
Hemorrhage from nose
Nosebleed
784.8	Hemorrhage from throat
Excludes:	hemoptysis (786.3)
784.9	Other symptoms involving head and neck
784.91	Postnasal drip
784.99	Other symptoms involving head and neck
Choking sensation
Feeling of foreign body in throat
Halitosis
Mouth breathing
Sneezing
Excludes:	foreign body in throat (933.0)
785	Symptoms involving cardiovascular system
Excludes:	heart failure NOS (428.9)
785.0	Tachycardia, unspecified
Rapid heart beat
Excludes:	neonatal tachycardia (779.82)
paroxysmal tachycardia (427.0-427.2)
785.1	Palpitations
Awareness of heart beat
Excludes:	specified dysrhythmias (427.0-427.9)
785.2	Undiagnosed cardiac murmurs
Heart murmur NOS
785.3	Other abnormal heart sounds
Cardiac dullness, increased or decreased
Friction fremitus, cardiac
Precordial friction
785.4	Gangrene
Gangrene:
NOS
spreading cutaneous
Gangrenous cellulitis
Phagedena
Code first  any associated underlying condition
Excludes:	gangrene of certain sites­see Alphabetic Index
gangrene with atherosclerosis of the extremities (440.24)
gas gangrene (040.0)
785.5	Shock without mention of trauma
785.50	Shock, unspecified
Failure of peripheral circulation
785.51	Cardiogenic shock
785.52	Septic shock
endotoxic
gram-negative
Code first:
systemic inflammatory response syndrome due to infectious process with organ
 dysfunction (995.92)
785.59	Other
Shock:
hypovolemic
Excludes:	shock (due to):
anesthetic (995.4)
anaphylactic (995.0)
due to serum (999.4)
electric (994.8)
following abortion (639.5)
lightning (994.0)
obstetrical (669.1)
postoperative (998.0)
traumatic (958.4)
785.6	Enlargement of lymph nodes
Lymphadenopathy
"Swollen glands"
Excludes:	lymphadenitis (chronic) (289.1-289.3)
acute (683)
785.9	Other symptoms involving cardiovascular system
Bruit (arterial)
Weak pulse
786	Symptoms involving respiratory system and other chest symptoms
786.0	Dyspnea and respiratory abnormalities
786.00	Respiratory abnormality, unspecified
786.01	Hyperventilation
Excludes:	hyperventilation, psychogenic (306.1)
786.02	Orthopnea
786.03	Apnea
Excludes:	apnea of newborn (770.81, 770.82)
sleep apnea (780.51, 780.53, 780.57)
786.04	Cheyne-Stokes respiration
786.05	Shortness of breath
786.06	Tachypnea
Excludes:	transitory tachypnea of newborn (770.6)
786.07	Wheezing
Excludes:	asthma (493.00-493.92)
786.09	Other
Respiratory:
distress
insufficiency
Excludes:	respiratory distress:
following trauma and surgery (518.5)
newborn (770.89)
syndrome (newborn) (769)
adult (518.5)
respiratory failure (518.81, 518.83-518.84)
newborn (770.84)
786.1	Stridor
Excludes:	congenital laryngeal stridor (748.3)
786.2	Cough
Excludes:	cough:
psychogenic (306.1)
smokers' (491.0)
with hemorrhage (786.3)
786.3	Hemoptysis
Cough with hemorrhage
Pulmonary hemorrhage NOS
Excludes:	pulmonary hemorrhage of newborn (770.3)
786.4	Abnormal sputum
Abnormal:
amount of sputum
color of sputum
odor of sputum
Excessive sputum
786.5	Chest pain
786.50	Chest pain, unspecified
786.51	Precordial pain
786.52	Painful respiration
Pain:
anterior chest wall
pleuritic
Pleurodynia
Excludes:	epidemic pleurodynia (074.1)
786.59	Other
Discomfort in chest
Pressure in chest
Tightness in chest
Excludes:	pain in breast (611.71)
786.6	Swelling, mass, or lump in chest
Excludes:	lump in breast (611.72)
786.7	Abnormal chest sounds
Abnormal percussion, chest
Friction sounds, chest
Rales
Tympany, chest
Excludes:	wheezing (786.07)
786.8	Hiccough
Excludes:	psychogenic hiccough (306.1)
786.9	Other symptoms involving respiratory system and chest
Breath-holding spell
787	Symptoms involving digestive system
Excludes:	constipation (564.0-564.9)
pylorospasm (537.81)
congenital (750.5)
787.0	Nausea and vomiting
Emesis
Excludes:	hematemesis NOS (578.0)
vomiting:
bilious, following gastrointestinal surgery (564.3)
cyclical (536.2)
psychogenic (306.4)
excessive, in pregnancy (643.0-643.9)
habit (536.2)
of newborn (779.3)
psychogenic NOS (307.54)
787.01	Nausea with vomiting
787.02	Nausea alone
787.03	Vomiting alone
787.1	Heartburn
Pyrosis
Waterbrash
Excludes:	dyspepsia or indigestion (536.8)
787.2	Dysphagia
Code first, if applicable, dysphagia due to late effect of cerebrovascular accident (438.82)
787.20	Dysphagia, unspecified
Difficulty in swallowing NOS
787.21	Dysphagia, oral phase
787.22	Dysphagia, oropharyngeal phase
787.23	Dysphagia, pharyngeal phase
787.24	Dysphagia, pharyngoesophageal phase
787.29	Other dysphagia
Cervical dysphagia
Neurogenic dysphagia
787.3	Flatulence, eructation, and gas pain
Abdominal distention (gaseous)
Bloating
Tympanites (abdominal) (intestinal)
Excludes:	aerophagy (306.4)
787.4	Visible peristalsis
Hyperperistalsis
787.5	Abnormal bowel sounds
Absent bowel sounds
Hyperactive bowel sounds
787.6	Incontinence of feces
Encopresis NOS
Incontinence of sphincter ani
Excludes:	that of nonorganic origin (307.7)
787.7	Abnormal feces
Bulky stools
Excludes:	abnormal stool content (792.1)
melena:
NOS (578.1)
newborn (772.4, 777.3)
787.9	Other symptoms involving digestive system

Excludes:	gastrointestinal hemorrhage (578.0-578.9)
intestinal obstruction (560.0-560.9)
specific functional digestive disorders:
esophagus (530.0-530.9)
stomach and duodenum (536.0-536.9)
those not elsewhere classified (564.0-564.9)
787.91	Diarrhea
Diarrhea NOS
787.99	Other
Change in bowel habits
Tenesmus (rectal)
788	Symptoms involving urinary system
Excludes:	hematuria (599.7)
nonspecific findings on examination of the urine (791.0-791.9)
small kidney of unknown cause (589.0-589.9)
uremia NOS (586)
urinary obstruction (599.60, 599.69)
788.0	Renal colic
Colic (recurrent) of:
kidney
ureter
788.1	Dysuria
Painful urination
Strangury
788.2	Retention of urine
Code first, if applicable, hyperplasia of prostate (600.0-600.9 with fifth-digit 1)
788.20	Retention of urine, unspecified
788.21	Incomplete bladder emptying
788.29	Other specified retention of urine
788.3	Urinary incontinence
Excludes:	that of nonorganic origin (307.6)
Code, if applicable, any causal condition first, such as:
congenital ureterocele (753.23)
genital prolapse (618.00-618.9)
hyperplasia of prostate (600.0-600.9 with fifth-digit 1)
788.30	Urinary incontinence, unspecified
Enuresis NOS
788.31	Urge incontinence
788.32	Stress incontinence, male
Excludes:	stress incontinence, female (625.6)
788.33	Mixed incontinence (female) (male)
Urge and stress
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
Code first, if applicable, hyperplasia of prostate (600.0-600.9 with fifth-digit 1)
788.41	Urinary frequency
Frequency of micturition
788.42	Polyuria
788.43	Nocturia
788.5	Oliguria and anuria
Deficient secretion of urine
Suppression of urinary secretion
Excludes:	that complicating:
abortion (634-638 with .3, 639.3)
ectopic or molar pregnancy (639.3)
pregnancy, childbirth, or the puerperium (642.0-642.9, 646.2)
788.6	Other abnormality of urination
Code first, if applicable, hyperplasia of prostate (600.0-600.9 with fifth-digit 1)
788.61	Splitting of urinary stream
Intermittent urinary stream
788.62	Slowing of urinary stream
Weak stream
788.63	Urgency of urination
Excludes:	urge incontinence (788.31, 788.33)
788.64	Urinary hesitancy
788.65	Straining on urination
788.69	Other
788.7	Urethral discharge
Penile discharge
Urethrorrhea
788.8	Extravasation of urine
788.9	Other symptoms involving urinary system
Extrarenal uremia
Vesical:
pain
tenesmus
789	Other symptoms involving abdomen and pelvis
The following fifth-digit subclassification is to be used for codes 789.0, 789.3, 789.4, 789.6 
0	unspecified site
1	right upper quadrant
2	left upper quadrant
3	right lower quadrant
4	left lower quadrant
5	periumbilic
6	epigastric
7	generalized
9	other specified site
multiple sites
Excludes:	symptoms referable to genital organs:
female (625.0-625.9)
male (607.0-608.9)
psychogenic (302.70-302.79)
789.0	Abdominal pain
Colic:
NOS
infantile
Cramps, abdominal
Excludes:	renal colic (788.0)
789.1	Hepatomegaly
Enlargement of liver
789.2	Splenomegaly
Enlargement of spleen
789.3	Abdominal or pelvic swelling, mass, or lump
Diffuse or generalized swelling or mass:
abdominal NOS
umbilical
Excludes:	abdominal distention (gaseous) (787.3)
ascites (789.51-789.59)
789.4	Abdominal rigidity
789.5	Ascites
Fluid in peritoneal cavity
789.51	Malignant ascites
Code first malignancy, such as:
malignant neoplasm of ovary (183.0)
secondary malignant neoplasm of retroperitoneum and peritoneum (197.6)
789.59	Other ascites
789.6	Abdominal tenderness
Rebound tenderness
789.9	Other symptoms involving abdomen and pelvis
Umbilical:
bleeding
discharge

NONSPECIFIC ABNORMAL FINDINGS (790-796)

790	Nonspecific findings on examination of blood
Excludes:	abnormality of:
platelets (287.0-287.9)
thrombocytes (287.0-287.9)
white blood cells (288.00-288.9)
790.0	Abnormality of red blood cells
Excludes:	anemia:
congenital (776.5)
newborn, due to isoimmunization (773.0-773.2, 773.5)
of premature infant (776.6)
other specified types (280.0-285.9)
hemoglobin disorders (282.5-282.7)
polycythemia:
familial (289.6)
neonatorum (776.4)
secondary (289.0)
vera (238.4)
790.01	Precipitous drop in hematocrit
Drop in hematocrit
790.09	Other abnormality of red blood cells
Abnormal red cell morphology NOS
Abnormal red cell volume NOS
Anisocytosis
Poikilocytosis
790.1	Elevated sedimentation rate
790.2	Abnormal glucose
Excludes:	diabetes mellitus (250.00-250.93)
dysmetabolic syndrome X (277.7)
gestational diabetes (648.8)
glycosuria (791.5)
hypoglycemia (251.2)
that complicating pregnancy, childbirth, or the puerperium (648.8)
790.21	Impaired fasting glucose
Elevated fasting glucose
790.22	Impaired glucose tolerance test (oral)
Elevated glucose tolerance test
790.29	Other abnormal glucose
Abnormal glucose NOS
Abnormal non-fasting glucose
Hyperglycemia NOS
Pre-diabetes NOS
790.3	Excessive blood level of alcohol
Elevated blood-alcohol
790.4	Nonspecific elevation of levels of transaminase or lactic acid dehydrogenase [LDH]
790.5	Other nonspecific abnormal serum enzyme levels
Abnormal serum level of:
acid phosphatase
alkaline phosphatase
amylase
lipase
Excludes:	deficiency of circulating enzymes (277.6)
790.6	Other abnormal blood chemistry
Abnormal blood levels of:
cobalt
copper
iron
lead
lithium
magnesium
mineral
zinc
Excludes:	abnormality of electrolyte or acid-base balance (276.0-276.9)
hypoglycemia NOS (251.2)
lead poisoning (984.0-984.9)
specific finding indicating abnormality of:
amino-acid transport and metabolism (270.0-270.9)
carbohydrate transport and metabolism (271.0-271.9)
lipid metabolism (272.0-272.9)
uremia NOS (586)
790.7	Bacteremia
Excludes:	bacteremia of newborn (771.83)
septicemia (038)
Use additional code to identify organism (041)
790.8	Viremia, unspecified
790.9	Other nonspecific findings on examination of blood
790.91	Abnormal arterial blood gases
790.92	Abnormal coagulation profile
Abnormal or prolonged:
bleeding time
coagulation time
partial thromboplastin time [PTT]
prothrombin time [PT]
Excludes:	coagulation (hemorrhagic) disorders (286.0-286.9)
790.93	Elevated prostate specific antigen [PSA]
790.94	Euthyroid sick syndrome
790.95	Elevated C-reactive protein (CRP)
790.99	Other
791	Nonspecific findings on examination of urine
Excludes:	hematuria NOS (599.7)
specific findings indicating abnormality of:
amino-acid transport and metabolism (270.0-270.9)
carbohydrate transport and metabolism (271.0-271.9)
791.0	Proteinuria
Albuminuria
Bence-Jones proteinuria
Excludes:	postural proteinuria (593.6)
that arising during pregnancy or the puerperium (642.0-642.9, 646.2)
791.1	Chyluria
Excludes:	filarial (125.0-125.9)
791.2	Hemoglobinuria
791.3	Myoglobinuria
791.4	Biliuria
791.5	Glycosuria
Excludes:	renal glycosuria (271.4)
791.6	Acetonuria
Ketonuria
791.7	Other cells and casts in urine
791.9	Other nonspecific findings on examination of urine
Crystalluria
Elevated urine levels of:
17-ketosteroids
catecholamines
indolacetic acid
vanillylmandelic acid [VMA]
Melanuria
792	Nonspecific abnormal findings in other body substances
Excludes:	that in chromosomal analysis (795.2)
792.0	Cerebrospinal fluid
792.1	Stool contents
Abnormal stool color
Fat in stool
Mucus in stool
Occult blood
Pus in stool
Excludes:	blood in stool [melena] (578.1)
newborn (772.4, 777.3)
792.2	Semen
Abnormal spermatozoa
Excludes:	azoospermia (606.0)
oligospermia (606.1)
792.3	Amniotic fluid
792.4	Saliva
Excludes:	that in chromosomal analysis (795.2)
792.5	Cloudy (hemodialysis) (peritoneal) dialysis effluent
792.9	Other nonspecific abnormal findings in body substances
Peritoneal fluid
Pleural fluid
Synovial fluid
Vaginal fluids
793   Nonspecific abnormal findings on radiological and other examination of body structure
Includes:	nonspecific abnormal findings of:
thermography
ultrasound examination [echogram]
x-ray examination
Excludes:	abnormal results of function studies and radioisotope scans (794.0-794.9)
793.0	Skull and head
Excludes:	nonspecific abnormal echoencephalogram (794.01)
793.1	Lung field
Coin lesion lung
Shadow, lung
793.2	Other intrathoracic organ
Abnormal:
echocardiogram
heart shadow
ultrasound cardiogram
Mediastinal shift
793.3	Biliary tract
Nonvisualization of gallbladder
793.4	Gastrointestinal tract
793.5	Genitourinary organs
Filling defect:
bladder
kidney
ureter
793.6	Abdominal area, including retroperitoneum
793.7	Musculoskeletal system
793.8	Breast
793.80	Abnormal mammogram, unspecified
793.81	Mammographic microcalcification
Excludes:	mammographic calcification (793.89)
mammographic calculus (793.89)
793.89	Other abnormal findings on radiological examination of breast
Mammographic calcification
Mammographic calculus
793.9	Other
Excludes:	abnormal finding by radioisotope localization of placenta (794.9)
793.91	Image test inconclusive due to excess body fat
Use additional code to identify Body Mass Index (BMI), if known (V85.0-V85.54)
793.99	Other nonspecific abnormal findings on radiological and other examinations of
 body structure
Abnormal:
placental finding by x-ray or ultrasound method
radiological findings in skin and subcutaneous tissue
794	Nonspecific abnormal results of function studies
Includes:	radioisotope:
scans
uptake studies
scintiphotography
794.0	Brain and central nervous system
794.00	Abnormal function study, unspecified
794.01	Abnormal echoencephalogram
794.02	Abnormal electroencephalogram [EEG]
794.09	Other
Abnormal brain scan
794.1	Peripheral nervous system and special senses
794.10	Abnormal response to nerve stimulation, unspecified
794.11	Abnormal retinal function studies
Abnormal electroretinogram [ERG]
794.12	Abnormal electro-oculogram [EOG]
794.13	Abnormal visually evoked potential
794.14	Abnormal oculomotor studies
794.15	Abnormal auditory function studies
794.16	Abnormal vestibular function studies
794.17	Abnormal electromyogram [EMG]
Excludes:	that of eye (794.14)
794.19	Other
794.2	Pulmonary
Abnormal lung scan
Reduced:
ventilatory capacity
vital capacity
794.3	Cardiovascular
794.30	Abnormal function study, unspecified
794.31	Abnormal electrocardiogram [ECG] [EKG]
Excludes:	long QT syndrome (426.82)
794.39	Other
Abnormal:
ballistocardiogram
phonocardiogram
vectorcardiogram
794.4	Kidney
Abnormal renal function test
794.5	Thyroid
Abnormal thyroid:
scan
uptake
794.6	Other endocrine function study
794.7	Basal metabolism
Abnormal basal metabolic rate [BMR]
794.8	Liver
Abnormal liver scan
794.9	Other
Bladder
Pancreas
Placenta
Spleen
795	Other and nonspecific abnormal cytological, histological, immunological and DNA 
test findings
Excludes:	nonspecific abnormalities of red blood cells (790.01-790.09)
795.0	Abnormal Papanicolaou smear of cervix and cervical HPV
Abnormal thin preparation smear of cervix
Abnormal cervical cytology
Excludes:	carcinoma in-situ of cervix (233.1)
cervical intraepithelial neoplasia I (CIN I) (622.11)
cervical intraepithelial neoplasia II (CIN II) (622.12)
cervical intraepithelial neoplasia III (CIN III) (233.1)
dysplasia (histologically confirmed) of cervix (uteri) NOS (622.10)
mild dysplasia (histologically confirmed) (622.11)
moderate dysplasia (histologically confirmed) (622.12)
severe dysplasia (histologically confirmed) (233.1)
795.00	Abnormal glandular Papanicolaou smear of cervix
Atypical endocervical cells NOS
Atypical endometrial cells NOS
Atypical glandular cells NOS
795.01	Papanicolaou smear of cervix with atypical squamous cells of undetermined
 significance (ASC-US)
795.02	Papanicolaou smear of cervix with atypical squamous cells cannot exclude high
 grade squamous intraepithelial lesion (ASC-H)
795.03	Papanicolaou smear of cervix with low grade squamous intraepithelial lesion (LGSIL)
795.04	Papanicolaou smear of cervix with high grade squamous intraepithelial lesion (HGSIL)
795.05	Cervical high risk human papillomavirus (HPV) DNA test positive
795.06	Papanicolaou smear of cervix with cytologic evidence of malignancy
795.08	Unsatisfactory smear
Inadequate sample
795.09	Other abnormal Papanicolaou smear of cervix and cervical HPV
Cervical low risk human papillomavirus (HPV) DNA test positive
Use additional code for associated human papillomavirus (079.4)
Excludes:	encounter for Papanicolaou cervical smear to confirm findings of recent
 normal smear following initial abnormal smear (V72.32)
795.1	Nonspecific abnormal Papanicolaou smear of other site
795.2	Nonspecific abnormal findings on chromosomal analysis
Abnormal karyotype
795.3	Nonspecific positive culture findings
Positive culture findings in:
nose
sputum
throat
wound
Excludes:	that of:
blood (790.7-790.8)
urine (791.9)
795.31	Nonspecific positive findings for anthrax
Positive findings by nasal swab
795.39	Other nonspecific positive culture findings
795.4	Other nonspecific abnormal histological findings
795.5	Nonspecific reaction to tuberculin skin test without active tuberculosis
Abnormal result of Mantoux test
PPD positive
Tuberculin (skin test):
positive
reactor
795.6	False positive serological test for syphilis
False positive Wassermann reaction
795.7	Other nonspecific immunological findings
Excludes:	abnormal tumor markers (795.81-795.89)
elevated prostate specific antigen [PSA] (790.93)
elevated tumor associated antigens (795.81-795.89)
isoimmunization, in pregnancy (656.1-656.2)
affecting fetus or newborn (773.0-773.2)
795.71	Nonspecific serologic evidence of human immunodeficiency virus [HIV]
Inconclusive human immunodeficiency virus [HIV] test (adult) (infant)
Note:	This code is ONLY to be used when a test finding is reported as nonspecific.
  Asymptomatic positive findings are coded to V08.  If any HIV infection symptom or
 condition is present, see code 042.  Negative findings are not coded.
Excludes:	acquired immunodeficiency syndrome [AIDS] (042)
asymptomatic human immunodeficiency virus, [HIV] infection status (V08)
HIV infection, symptomatic (042)
human immunodeficiency virus [HIV] disease (042)
positive (status) NOS (V08)
795.79	Other and unspecified nonspecific immunological findings
Raised antibody titer
Raised level of immunoglobulins
795.8	Abnormal tumor markers
Elevated tumor associated antigens [TAA]
Elevated tumor specific antigens [TSA]
Excludes:	elevated prostate specific antigen [PSA] (790.93)
795.81	Elevated carcinoembryonic antigen [CEA]
795.82	Elevated cancer antigen 125 [CA 125]
795.89	Other abnormal tumor markers
796	Other nonspecific abnormal findings
796.0	Nonspecific abnormal toxicological findings
Abnormal levels of heavy metals or drugs in blood, urine, or other tissue
Excludes:	excessive blood level of alcohol (790.3)
796.1	Abnormal reflex
796.2	Elevated blood pressure reading without diagnosis of hypertension
Note:	This category is to be used to record an episode of elevated blood pressure in
 a patient in whom no formal diagnosis of hypertension has been made, or as an incidental
 finding.
796.3	Nonspecific low blood pressure reading
796.4	Other abnormal clinical findings
796.5	Abnormal finding on antenatal screening
796.6	Abnormal findings on neonatal screening
Excludes: nonspecific serologic evidence of human immunodeficiency virus [HIV] (795.71)
796.9	Other

ILL-DEFINED AND UNKNOWN CAUSES OF MORBIDITY AND MORTALITY (797-799)

797	Senility without mention of psychosis
Old age
Senescence
Senile asthenia
Senile:
debility
exhaustion
Excludes:	senile psychoses (290.0-290.9)
798	Sudden death, cause unknown
798.0	Sudden infant death syndrome
Cot death
Crib death
Sudden death of nonspecific cause in infancy
798.1	Instantaneous death
798.2	Death occurring in less than 24 hours from onset of symptoms, not otherwise explained
Death known not to be violent or instantaneous, for which no cause could be discovered
Died without sign of disease
798.9	Unattended death
Death in circumstances where the body of the deceased was found and no cause could be
 discovered
Found dead
799	Other ill-defined and unknown causes of morbidity and mortality
799.0	Asphyxia and hypoxemia
Excludes:	asphyxia and hypoxemia (due to):
carbon monoxide (986)
hypercapnia (786.09)
inhalation of food or foreign body (932-934.9)
newborn (768.0-768.9)
traumatic (994.7)
799.01	Asphyxia
799.02	Hypoxemia
799.1	Respiratory arrest
Cardiorespiratory failure
Excludes:	cardiac arrest (427.5)
failure of peripheral circulation (785.50)
respiratory distress:
NOS (786.09)
acute (518.82)
following trauma or surgery (518.5)
newborn (770.89)
syndrome (newborn) (769)
adult (following trauma or surgery) (518.5)
other (518.82)
respiratory failure (518.81, 518.83-518.84)
newborn (770.84)
respiratory insufficiency (786.09)
acute (518.82)
799.2	Nervousness
"Nerves"
799.3	Debility, unspecified
Excludes:	asthenia (780.79)
nervous debility (300.5)
neurasthenia (300.5)
senile asthenia (797)
799.4	Cachexia
Wasting disease
Code first underlying condition, if known
799.8	Other ill-defined conditions
799.81	Decreased libido
Decreased sexual desire
Excludes:	psychosexual dysfunction with inhibited sexual desire (302.71)
799.89	Other ill-defined conditions
799.9	Other unknown and unspecified cause
Undiagnosed disease, not specified as to site or system involved
Unknown cause of morbidity or mortality







TABLE OF CONTENTS

Preface

Acknowledgments

Introduction

The ICD-9-CM Coordination and Maintenance Committee

Characteristics of the ICD-9-CM

The Disease Classification

Alphabetical Index of Diseases

Table of Drugs and Chemicals

Index To External Causes of Injury (E Code)

Classification of Procedures

Index to Procedures

Appendix A:
Morphology of Neoplasms


Appendix C:
Classification of Drugs by American Hospital Formulary Services List Number and their ICD-9-CM Equivalents


Appendix D:
Classification of Industrial Accidents According to Agency


Appendix E:
List of Three-Digit Categories






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CTR071118
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