Table 4 Abnormalities associated with syndactyly

Nervous system

Q00-Q07

116

4.95

 Anencephaly

Q00

11

0.47

 Encephalocele

Q01

11

0.47

 Microcephaly

Q02

3

0.13

 Hydrocephalus

Q03

56

2.39

 Other malformations of brain

Q04

29

1.24

 Spina bifida

Q05

14

0.60

 Other malformations of nervous system

Q07

1

0.04

Eye, ear, face and neck

Q10-Q18

175

7.47

 Congenital malformations of eyelid, lacrimal apparatus, and orbit

Q10

4

0.17

 Anophthalmos, microphthalmos, and macrophthalmos

Q11

5

0.21

 Congenital lens malformations

Q12

1

0.04

 Congenital malformations of anterior segment of eye

Q13

1

0.04

 Other congenital malformations of eye

Q15

7

0.30

 Congenital malformations of ear causing impairment of hearing

Q16

14

0.60

 Malformations of ear

Q17

131

5.59

 Malformations of face and neck

Q18

16

0.68

Circulatory system

Q20-Q28

318

13.57

 Malformations of cardiac chambers and connections

Q20

11

0.47

 Malformations of cardiac septa

Q21

223

9.52

 Congenital malformations of pulmonary and tricuspid valves

Q22

18

0.77

 Congenital malformations of aortic and mitral valves

Q23

4

0.17

 Other congenital malformations of heart

Q24

30

1.28

 Congenital malformations of great arteries

Q25

126

5.38

 Congenital malformations of great veins

Q26

15

0.64

 Other congenital malformations of peripheral vascular system

Q27

14

0.60

Respiratory system

Q30-Q34

15

0.64

 Congenital malformations of nose

Q30

10

0.43

 Congenital malformations of larynx

Q31

2

0.09

 Congenital malformations of lung

Q33

3

0.13

Cleft lip and cleft palate

Q35-Q37

199

8.49

 Cleft palate

Q35

63

2.69

 Cleft lip

Q36

47

2.01

 Cleft palate with cleft lip

Q37

89

3.80

Digestive system

Q38-Q45

101

4.31

 Other congenital malformations of tongue, mouth and pharynx

Q38

6

0.26

 Congenital malformations of esophagus

Q39

15

0.64

 Other congenital malformations of upper alimentary tract

Q40

2

0.09

 Congenital absence, atresia and stenosis of small intestine

Q41

3

0.13

 Congenital absence, atresia and stenosis of large intestine

Q42

66

2.82

 Other congenital malformations of intestine

Q43

6

0.26

 Congenital malformations of gallbladder, bile ducts, and liver

Q44

3

0.13

 Other congenital malformations of digestive system

Q45

2

0.09

Genital organs

Q50-Q56

140

5.98

 Other congenital malformations of female genitalia

Q52

5

0.21

 Undescended testicle

Q53

37

1.58

 Hypospadias

Q54

52

2.22

 Other congenital malformations of male genital organs

Q55

24

1.02

 Indeterminate sex and pseudohermaphroditism

Q56

27

1.15

Urinary system

Q60-Q64

45

1.92

 Renal agenesis and other reduction defects of kidney

Q60

11

0.47

 Cystic kidney disease

Q61

5

0.21

 Malformations of renal pelvis and ureter

Q62

17

0.73

 Other malformations of kidney

Q63

8

0.34

 Other congenital malformations of urinary system

Q64

6

0.26

Musculoskeletal system

Q65-Q79

1638

69.91

 Congenital deformities of feet

Q66

204

8.71

 Congenital musculoskeletal deformities of head, face, spine, and chest

Q67

9

0.38

 Other congenital musculoskeletal deformities

Q68

27

1.15

 Polydactyly

Q69

646

27.57

 Reduction defects of upper limb

Q71

527

22.49

 Reduction defects of lower limb

Q72

324

13.83

 Reduction defects of unspecified limb

Q73

40

1.71

 Other congenital malformations of limb(s)

Q74

57

2.43

 Other congenital malformations of skull and face bones

Q75

18

0.77

 Other congenital malformations of spine and bony thorax

Q76

16

0.68

 Osteochondrodysplasia with defects of growth of tubular bones and spine

Q77

2

0.09

 Other malformations of musculoskeletal system

Q79

42

1.79

Chromosomal abnormalities

Q90-Q99

46

1.96

 Down’s syndrome

Q90

33

1.41

 Edward‘s syndrome, unspecified

Q91.3

6

0.26

 Triploidy and polyploidy

Q92.7

1

0.04

 Balanced rearrangements and structural markers, not elsewhere classified

Q95

1

0.04

 Other chromosome abnormalities, not elsewhere classified

Q99

5

0.21

Other malformations

Q80-Q89

70

2.99

 Congenital ichthyosis

Q80

1

0.04

 Other congenital malformations of skin

Q82

12

0.51

 Congenital malformations of breast

Q83

2

0.09

 Other congenital malformations of integument

Q84

16

0.68

 Other specified congenital malformation syndromes affecting multiple systems

Q87

16

0.68

 Other congenital malformations, not elsewhere classified

Q89

23

0.98

Other malformations, not coded in Q00-Q99

—

52

2.22