Certain infectious and parasitic diseases

Q28.1 Other malformations of precerebral vessels
Congenital:
· malformation of precerebral vessels NOS
· precerebral aneurysm (nonruptured)
Q28.2 Arteriovenous malformation of cerebral vessels
Arteriovenous malformation of brain NOS
Congenital arteriovenous cerebral aneurysm (nonruptured)
Q28.3 Other malformations of cerebral vessels
Congenital:
· cerebral aneurysm (nonruptured)
· malformation of cerebral vessels NOS
Q28.8 Other specified congenital malformations of circulatory system
Congenital aneurysm, specified site NEC
Q28.9 Congenital malformation of circulatory system, unspecified
Congenital malformations of the respiratory system
(Q30-Q34)
Q30 Congenital malformations of nose
Excludes: congenital deviation of nasal septum ( Q67.4 )
Q30.0 Choanal atresia
Atresia
Congenital stenosis
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of nares (anterior)(posterior)
Q30.1 Agenesis and underdevelopment of nose
Congenital absence of nose
Q30.2 Fissured, notched and cleft nose
Q30.3 Congenital perforated nasal septum
Q30.8 Other congenital malformations of nose
Accessory nose
Congenital anomaly of nasal sinus wall
Q30.9 Congenital malformation of nose, unspecified
Q31 Congenital malformations of larynx
Excludes: congenital (laryngeal) stridor NOS ( P28.8 )
Q31.0 Web of larynx
Web of larynx:
· NOS
· glottic
· subglottic
Q31.1 Congenital subglottic stenosis
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