Alphabetical Reference

Index Terms: Q

Terms and conditions starting with 'Q' classified in the 2026 ICD-10-CM system.

Anencephaly Q00.0
Craniorachischisis Q00.1
Iniencephaly Q00.2
Frontal encephalocele Q01.0
Nasofrontal encephalocele Q01.1
Occipital encephalocele Q01.2
Encephalocele of other sites Q01.8
Encephalocele, unspecified Q01.9
Malformations of aqueduct of Sylvius Q03.0
Atresia of foramina of Magendie and Luschka Q03.1
Other congenital hydrocephalus Q03.8
Congenital hydrocephalus, unspecified Q03.9
Congenital malformations of corpus callosum Q04.0
Arhinencephaly Q04.1
Holoprosencephaly Q04.2
Other reduction deformities of brain Q04.3
Septo-optic dysplasia of brain Q04.4
Megalencephaly Q04.5
Congenital cerebral cysts Q04.6
Other specified congenital malformations of brain Q04.8
Congenital malformation of brain, unspecified Q04.9
Cervical spina bifida with hydrocephalus Q05.0
Thoracic spina bifida with hydrocephalus Q05.1
Lumbar spina bifida with hydrocephalus Q05.2
Sacral spina bifida with hydrocephalus Q05.3
Unspecified spina bifida with hydrocephalus Q05.4
Cervical spina bifida without hydrocephalus Q05.5
Thoracic spina bifida without hydrocephalus Q05.6
Lumbar spina bifida without hydrocephalus Q05.7
Sacral spina bifida without hydrocephalus Q05.8
Spina bifida, unspecified Q05.9
Amyelia Q06.0
Hypoplasia and dysplasia of spinal cord Q06.1
Diastematomyelia Q06.2
Other congenital cauda equina malformations Q06.3
Hydromyelia Q06.4
Other specified congenital malformations of spinal cord Q06.8
Congenital malformation of spinal cord, unspecified Q06.9
Arnold-Chiari syndrome Q07.0
Arnold-Chiari syndrome without spina bifida or hydrocephalus Q07.00
Arnold-Chiari syndrome with spina bifida Q07.01
Arnold-Chiari syndrome with hydrocephalus Q07.02
Arnold-Chiari syndrome with spina bifida and hydrocephalus Q07.03
Other specified congenital malformations of nervous system Q07.8
Congenital malformation of nervous system, unspecified Q07.9
Congenital ptosis Q10.0
Congenital ectropion Q10.1
Congenital entropion Q10.2
Other congenital malformations of eyelid Q10.3
Absence and agenesis of lacrimal apparatus Q10.4
Congenital stenosis and stricture of lacrimal duct Q10.5
Other congenital malformations of lacrimal apparatus Q10.6
Congenital malformation of orbit Q10.7
Cystic eyeball Q11.0
Other anophthalmos Q11.1
Microphthalmos Q11.2
Macrophthalmos Q11.3
Congenital cataract Q12.0
Congenital displaced lens Q12.1
Coloboma of lens Q12.2
Congenital aphakia Q12.3
Spherophakia Q12.4
Other congenital lens malformations Q12.8
Congenital lens malformation, unspecified Q12.9
Coloboma of iris Q13.0
Absence of iris Q13.1
Other congenital malformations of iris Q13.2
Congenital corneal opacity Q13.3
Other congenital corneal malformations Q13.4
Blue sclera Q13.5
Other congenital malformations of anterior segment of eye Q13.8
Rieger anomaly Q13.81
Other congenital malformations of anterior segment of eye Q13.89
Congenital malformation of anterior segment of eye, unspecified Q13.9
Congenital malformation of vitreous humor Q14.0
Congenital malformation of retina Q14.1
Congenital malformation of optic disc Q14.2
Congenital malformation of choroid Q14.3
Other congenital malformations of posterior segment of eye Q14.8
Congenital malformation of posterior segment of eye, unspecified Q14.9
Congenital glaucoma Q15.0
Other specified congenital malformations of eye Q15.8
Congenital malformation of eye, unspecified Q15.9
Congenital absence of (ear) auricle Q16.0
Congenital absence, atresia and stricture of auditory canal (external) Q16.1
Absence of eustachian tube Q16.2
Congenital malformation of ear ossicles Q16.3
Other congenital malformations of middle ear Q16.4
Congenital malformation of inner ear Q16.5
Congenital malformation of ear causing impairment of hearing, unspecified Q16.9
Accessory auricle Q17.0
Macrotia Q17.1
Microtia Q17.2
Other misshapen ear Q17.3
Misplaced ear Q17.4
Prominent ear Q17.5
Other specified congenital malformations of ear Q17.8
Congenital malformation of ear, unspecified Q17.9
Sinus, fistula and cyst of branchial cleft Q18.0
Preauricular sinus and cyst Q18.1