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ICD-10 Chapter Q
Contents
1
Q00-Q89 - Congenital malformations and deformations
1.1
(Q00-Q07) nervous system
1.2
(Q10-Q18) eye, ear, face and neck
1.3
(Q20-Q28) circulatory system
1.4
(Q30-Q34) respiratory system
1.5
(Q35-Q45) digestive system
1.6
(Q50-Q56) genital organs
1.7
(Q60-Q64) urinary system
1.8
(Q65-Q79) musculoskeletal system
1.9
(Q80-Q89) Other
2
Q90-Q99 - Chromosomal abnormalities, not elsewhere classified
3
See also
Q00-Q89 -
Congenital
malformations and deformations
(Q00-Q07)
nervous system
(
Q
00.
)
Anencephaly
and similar malformations
(
Q
00.0
)
Anencephaly
Acephaly
Acrania
Amyelencephaly
Hemianencephaly
Hemicephaly
(
Q
00.1
)
Craniorachischisis
(
Q
00.2
)
Iniencephaly
(
Q
01.
)
Encephalocele
(
Q
02.
)
Microcephaly
(
Q
03.
)
Congenital hydrocephalus
(
Q
03.0
)
Malformations
of
aqueduct of Sylvius
(
Q
03.1
)
Atresia
of
foramina of Magendie
and
Luschka
Dandy-Walker syndrome
(
Q
03.8
) Other
congenital hydrocephalus
(
Q
03.9
)
Congenital hydrocephalus
, unspecified
(
Q
04.
) Other congenital malformations of
brain
(
Q
04.0
)
Congenital malformations
of
corpus callosum
(
Q
04.1
)
Arhinencephaly
(
Q
04.2
)
Holoprosencephaly
(
Q
04.3
) Other
reduction deformities
of
brain
Agyria
and
Lissencephaly
(
EUROCAT
Q04.33)
Microgyria
and
Pachygyria
(
EUROCAT
Q04.34)
Hydranencephaly
(
EUROCAT
Q04.35)
(
Q
04.4
)
Septo-optic dysplasia
(
Q
04.5
)
Megalencephaly
(
Q
04.6
)
Congenital cerebral cysts
Porencephaly
Schizencephaly
(
Q
04.8
) Other specified
congenital malformations
of
brain
(
Q
04.9
)
Congenital malformation
of
brain
, unspecified
(
Q
05.
)
Spina bifida
hydromeningocele
(spinal)
meningocele
(spinal)
meningomyelocele
myelocele
myelomeningocele
rachischisis
syringomyelocele
(
Q
06.
) Other congenital malformations of
spinal cord
(
Q
06.0
)
Amyelia
(
Q
06.1
)
Hypoplasia
and
dysplasia
of
spinal cord
(
Q
06.2
)
Diastematomyelia
(
Q
06.3
) Other congenital
cauda equina
malformations
(
Q
06.4
)
Hydromyelia
(
Q
06.8
) Other specified
congenital malformations
of
spinal cord
(
Q
06.9
)
Congenital malformation
of
spinal cord
, unspecified
(
Q
07.
) Other congenital malformations of
nervous system
(
Q
07.0
)
Arnold-Chiari syndrome
(
Q
07.8
) Other specified
congenital malformations
of
nervous system
(
Q
07.9
)
Congenital malformation
of
nervous system
, unspecified
(Q10-Q18)
eye
,
ear
,
face
and
neck
(
Q
10.
) Congenital malformations of
eyelid
,
lacrimal apparatus
and
orbit
(
Q
10.0
)
Congenital
ptosis
(
Q
10.1
)
Congenital
ectropion
(
Q
10.2
)
Congenital
entropion
(
Q
10.3
) Other
congenital malformations
of
eyelid
Ablepharon
Blepharophimosis
, congenital
Coloboma of eyelid
(
Q
10.4
)
Absence
and
agenesis
of
lacrimal apparatus
(
Q
10.5
)
Congenital
stenosis
and
stricture
of
lacrimal duct
(
Q
10.6
) Other
congenital malformations
of
lacrimal apparatus
(
Q
10.7
)
Congenital malformation
of
orbit
(
Q
11.
)
Anophthalmos
,
microphthalmos
and
macrophthalmos
(
Q
11.0
)
Cystic eyeball
(
Q
11.1
) Other
anophthalmos
(
Q
11.2
)
Microphthalmos
(
Q
11.3
)
Macrophthalmos
(
Q
12.
) Congenital
lens
malformations
(
Q
12.0
) Congenital
cataract
(
Q
12.1
) Congenital
displaced lens
(
Q
12.2
)
Coloboma
of lens
(
Q
12.3
) Congenital
aphakia
(
Q
12.4
)
Spherophakia
(
Q
12.8
) Other congenital
lens
malformations
(
Q
12.9
) Congenital
lens
malformation, unspecified
(
Q
13.
) Congenital malformations of
anterior segment of eye
(
Q
13.0
)
Coloboma
of
iris
(
Q
13.1
) Absence of
iris
Aniridia
(
Q
13.2
) Other
congenital malformations
of
iris
(
Q
13.3
)
Congenital corneal opacity
(
Q
13.4
) Other
congenital corneal malformations
(
Q
13.5
)
Blue sclera
(
Q
13.8
) Other
congenital malformations
of
anterior segment of eye
(
Q
13.9
)
Congenital malformation
of
anterior segment of eye
, unspecified
(
Q
14.
) Congenital malformations of
posterior segment of eye
(
Q
14.0
)
Congenital malformation
of
vitreous humour
(
Q
14.1
)
Congenital malformation
of
retina
(
Q
14.2
)
Congenital malformation
of
optic disc
Coloboma
of
optic disc
(
Q
14.3
)
Congenital malformation
of
choroid
(
Q
14.8
) Other
congenital malformations
of
posterior segment of eye
Coloboma
of the
fundus
(
Q
14.9
)
Congenital malformation
of
posterior segment of eye
, unspecified
(
Q
15.
) Other congenital malformations of
eye
(
Q
15.0
) Congenital
glaucoma
Buphthalmos
Glaucoma of newborn
Hydrophthalmos
Keratoglobus
, congenital, with glaucoma
Macrocornea
with glaucoma
Macrophthalmos
in congenital glaucoma
Megalocornea
with glaucoma
(
Q
16.
) Congenital malformations of
ear
causing impairment of
hearing
(
Q
17.
) Other congenital malformations of
ear
(
Q
17.0
)
Accessory auricle
Accessory tragus
Polyotia
Preauricular appendage
or tag
(
Q
17.1
)
Macrotia
(
Q
17.2
)
Microtia
(
Q
17.3
) Other
misshapen ear
Pointed ear
(
Q
17.4
)
Misplaced ear
Low-set ears
(
Q
17.5
)
Prominent ear
Bat ear
(
Q
17.8
) Other specified
congenital malformations
of
ear
(
Q
17.9
)
Congenital malformation
of
ear
, unspecified
(
Q
18.
) Other congenital malformations of
face
and
neck
(
Q
18.0
)
Sinus
,
fistula
and
cyst
of
branchial cleft
(
Q
18.1
)
Preauricular sinus and cyst
(
Q
18.2
) Other
branchial cleft
malformations
Otocephaly
(
Q
18.3
)
Webbing of neck
(
Q
18.4
)
Macrostomia
(
Q
18.5
)
Microstomia
(
Q
18.6
)
Macrocheilia
(
Q
18.7
)
Microcheilia
(
Q
18.8
) Other specified congenital malformations of
face
and
neck
(
Q
18.9
) Congenital malformation of
face
and
neck
, unspecified
(Q20-Q28)
circulatory system
(
Q
20.
) Congenital malformations of
cardiac chambers
and connections
(
Q
20.0
)
Common arterial trunk
Persistent
truncus arteriosus
(
Q
20.1
)
Double outlet right ventricle
Taussig-Bing syndrome
(
Q
20.2
)
Double outlet left ventricle
(
Q
20.3
) Discordant
ventriculoarterial
connection
Dextrotransposition of aorta
Transposition of great vessels
(complete)
(
Q
20.4
)
Double inlet ventricle
(
Q
20.5
) Discordant
atrioventricular
connection
Corrected transposition
(
Q
20.6
)
Isomerism of atrial appendages
(
Q
21.
) Congenital malformations of
cardiac septa
(
Q
21.0
)
Ventricular septal defect
(
Q
21.1
)
Atrial septal defect
(
Q
21.2
)
Atrioventricular septal defect
(
Q
21.3
)
Tetralogy of Fallot
(
Q
21.8
) Other
congenital
malformations of
cardiac septa
Eisenmenger's syndrome
(
Q
22.
) Congenital malformations of
pulmonary
and
tricuspid valves
(
Q
22.0
)
Pulmonary valve atresia
(
Q
22.1
)
Congenital
pulmonary valve stenosis
(
Q
22.2
)
Congenital
pulmonary valve insufficiency
(
Q
22.3
) Other
congenital malformations
of
pulmonary valve
(
Q
22.4
)
Congenital
tricuspid stenosis
Tricuspid atresia
(
Q
22.5
)
Ebstein's anomaly
(
Q
22.6
)
Hypoplastic right heart syndrome
(
Q
22.8
) Other
congenital
malformations of
tricuspid valve
(
Q
22.9
)
Congenital
malformation of
tricuspid valve
, unspecified
(
Q
23.
) Congenital malformations of
aortic
and
mitral valves
(
Q
23.0
)
Congenital
stenosis of aortic valve
(
Q
23.1
)
Congenital
insufficiency of aortic valve
(
Q
23.2
)
Congenital
mitral stenosis
(
Q
23.3
)
Congenital
mitral insufficiency
(
Q
23.4
)
Hypoplastic left heart syndrome
(
Q
23.8
) Other
congenital
malformations of
aortic
and
mitral valves
(
Q
23.9
)
Congenital
malformation of
aortic
and
mitral valves
, unspecified
(
Q
24.
) Other
congenital malformations of heart
(
Q
24.0
)
Dextrocardia
(
Q
24.1
)
Laevocardia
(
Q
24.2
)
Cor triatriatum
(
Q
24.3
)
Pulmonary infundibular stenosis
(
Q
24.4
)
Congenital
subaortic stenosis
(
Q
24.5
)
Malformation of coronary vessels
(
Q
24.6
)
Congenital
heart block
(
Q
24.8
) Other specified
congenital malformations of heart
(
Q
24.9
)
Congenital malformation of heart
, unspecified
(
Q
25.
) Congenital malformations of
great arteries
(
Q
25.0
)
Patent ductus arteriosus
(
Q
25.1
)
Coarctation of aorta
(
Q
25.2
)
Atresia of aorta
(
Q
25.3
)
Stenosis of aorta
(
Q
25.4
) Other congenital malformations of
aorta
Overriding aorta
(
EUROCAT
Q25.42)
Aneurysm of sinus of Valsalva
(ruptured) (
EUROCAT
Q25.43)
Double aortic arch
(
vascular ring
of aorta)
(
Q
25.5
)
Atresia of pulmonary artery
(
Q
25.6
)
Stenosis of pulmonary artery
(
Q
25.7
) Other
congenital malformations of pulmonary artery
(
Q
26.
) Congenital malformations of
great veins
(
Q
26.0
)
Congenital stenosis of vena cava
(
Q
26.1
)
Persistent left superior vena cava
(
Q
26.2
)
Total anomalous pulmonary venous connection
(
Q
26.3
)
Partial anomalous pulmonary venous connection
(
Q
26.4
)
Anomalous pulmonary venous connection
, unspecified
(
Q
26.5
)
Anomalous portal venous connection
(
Q
26.6
)
Portal vein-hepatic artery fistula
(
Q
26.8
) Other congenital malformations of
great veins
Scimitar syndrome
(
Q
26.9
)
Congenital malformation of great vein
, unspecified
(
Q
27.
) Other
congenital malformations
of
peripheral vascular system
(
Q
27.0
)
Congenital
absence and
hypoplasia
of
umbilical artery
(
Q
27.1
)
Congenital
renal artery stenosis
(
Q
27.2
) Other
congenital malformations
of
renal artery
(
Q
27.3
)
Peripheral arteriovenous malformation
(
Q
27.4
) Congenital
phlebectasia
(
Q
27.8
) Other specified congenital malformations of
peripheral vascular system
(
Q
27.9
)
Congenital malformation
of
peripheral vascular system
, unspecified
(
Q
28.
) Other congenital malformations of
circulatory system
(
Q
28.0
)
Arteriovenous malformation
of
precerebral vessels
(
Q
28.1
) Other malformations of
precerebral vessels
(
Q
28.2
)
Arteriovenous malformation
of
cerebral vessels
(
Q
28.3
) Other malformations of
cerebral vessels
(
Q
28.8
) Other specified
congenital malformations
of
circulatory system
(
Q
28.9
)
Congenital malformation
of
circulatory system
, unspecified
(Q30-Q34)
respiratory system
(
Q
30.
) [[Congenital malformations of
nose
(
Q
30.0
)
Choanal atresia
(
Q
30.1
)
Agenesis
and
underdevelopment of nose
(
Q
30.2
)
Fissured
,
notched
and
cleft nose
(
Q
30.3
)
Congenital
perforated nasal septum
(
Q
30.8
) Other
congenital malformations
of
nose
(
Q
30.9
)
Congenital malformation
of
nose
, unspecified
(
Q
31.
)
Congenital malformations
of
larynx
(
Q
31.0
)
Web of larynx
(
Q
31.1
)
Congenital subglottic stenosis
(
Q
31.2
)
Laryngeal hypoplasia
(
Q
31.3
)
Laryngocele
(
Q
31.5
)
Congenital
laryngomalacia
(
Q
31.8
) Other
congenital malformations
of
larynx
(
Q
31.9
)
Congenital malformation
of
larynx
, unspecified
(
Q
32.
)
Congenital malformations
of
trachea
and
bronchus
(
Q
32.0
)
Congenital
tracheomalacia
(
Q
32.1
) Other
congenital malformations
of
trachea
(
Q
32.2
)
Congenital
bronchomalacia
(
Q
32.3
)
Congenital
stenosis
of
bronchus
(
Q
32.4
) Other
congenital malformations
of
bronchus
(
Q
33.
)
Congenital malformations
of
lung
(
Q
33.0
)
Congenital
cystic lung
(
Q
33.1
)
Accessory lobe
of
lung
(
Q
33.2
)
Sequestration of lung
(
Q
33.3
)
Agenesis
of
lung
(
Q
33.4
)
Congenital
bronchiectasis
(
Q
33.5
)
Ectopic tissue
in
lung
(
Q
33.6
)
Hypoplasia
and
dysplasia
of
lung
(
Q
33.8
) Other
congenital malformations
of
lung
(
Q
33.9
)
Congenital malformation
of
lung
, unspecified
(
Q
34.
) Other
congenital malformations
of
respiratory system
(
Q
34.0
) Anomaly of
pleura
(
Q
34.1
)
Congenital cyst
of
mediastinum
(
Q
34.8
) Other specified
congenital malformations
of
respiratory system
(
Q
34.9
)
Congenital malformation
of
respiratory system
, unspecified
(Q35-Q45)
digestive system
(
Q
35.
)
Cleft palate
(
Q
36.
)
Cleft lip
(
Q
37.
)
Cleft palate
with
cleft lip
(
Q
38.
) Other congenital malformations of
tongue
,
mouth
and
pharynx
(
Q
38.0
) Congenital malformations of
lips
, not elsewhere classified
Van der Woude's syndrome
(
Q
38.1
)
Ankyloglossia
(
Q
38.2
)
Macroglossia
(
Q
38.3
) Other
congenital malformations
of
tongue
Aglossia
Bifid tongue
Hypoplasia of tongue
Hypoglossia
Microglossia
(
Q
38.4
)
Congenital malformations
of
salivary glands
and
ducts
(
Q
38.5
)
Congenital malformations
of
palate
, not elsewhere classified
(
Q
38.6
) Other
congenital malformations
of
mouth
(
Q
38.7
)
Pharyngeal pouch
(
Q
39.
) Congenital malformations of
oesophagus
(
Q
39.0
)
Atresia of oesophagus
without
fistula
(
Q
39.1
)
Atresia of oesophagus
with
tracheo-oesophageal fistula
(
Q
39.2
)
Congenital
tracheo-oesophageal fistula
without
atresia
(
Q
39.3
)
Congenital
stenosis
and
stricture
of
oesophagus
(
Q
39.4
)
Oesophageal web
(
Q
39.5
)
Congenital dilatation of oesophagus
(
Q
39.6
)
Diverticulum of oesophagus
(
Q
39.8
) Other
congenital malformations
of
oesophagus
(
Q
39.9
)
Congenital malformation
of
oesophagus
, unspecified
(
Q
40.
) Other congenital malformations of
upper alimentary tract
(
Q
40.0
) Congenital
hypertrophic pyloric stenosis
(
Q
40.1
) Congenital
hiatus hernia
(
Q
41.
)
Congenital absence
,
atresia
and
stenosis
of
small intestine
(
Q
41.0
)
Congenital absence
,
atresia
and
stenosis
of
duodenum
(
Q
41.1
)
Congenital absence
,
atresia
and
stenosis
of
jejunum
(
Q
41.2
)
Congenital absence
,
atresia
and
stenosis
of
ileum
(
Q
41.8
)
Congenital absence
,
atresia
and
stenosis
of other specified parts of
small intestine
(
Q
41.9
)
Congenital absence
,
atresia
and
stenosis
of
small intestine
, part unspecified
(
Q
42.
)
Congenital absence
,
atresia
and
stenosis
of
large intestine
(
Q
42.0
)
Congenital absence
,
atresia
and
stenosis
of
rectum
with
fistula
(
Q
42.1
)
Congenital absence
,
atresia
and
stenosis
of
rectum
without
fistula
Imperforate rectum
(
Q
42.2
)
Congenital absence
,
atresia
and
stenosis
of
anus
with
fistula
(
Q
42.3
)
Congenital absence
,
atresia
and
stenosis
of
anus
without
fistula
Imperforate anus
(
Q
42.8
)
Congenital absence
,
atresia
and
stenosis
of other parts of
large intestine
(
Q
42.9
)
Congenital absence
,
atresia
and
stenosis
of
large intestine
, part unspecified
(
Q
43.
) Other congenital malformations of
intestine
(
Q
43.0
)
Meckel's diverticulum
(
Q
43.1
)
Hirschsprung's disease
(
Q
43.2
) Other
congenital
functional disorders
of
colon
(
Q
43.3
)
Congenital malformations
of
intestinal fixation
Malrotation of colon
(
Q
43.4
)
Duplication of intestine
(
Q
43.5
)
Ectopic anus
(
Q
43.6
)
Congenital
fistula
of
rectum
and
anus
(
Q
43.7
)
Persistent cloaca
(
Q
43.8
) Other specified
congenital malformations
of
intestine
Dolichocolon
Megaloappendix
Megaloduodenum
Microcolon
(
Q
44.
) Congenital malformations of
gallbladder
,
