ICD-10-CM
Congenital malformations, deformations and chromosomal abnormalities
Chapter 17, Q00-Q99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Categories
87 categories in this chapter. Open one, or page through every code below.
- Q00Anencephaly and similar malformations
- Q01Encephalocele
- Q02Microcephaly
- Q03Congenital hydrocephalus
- Q04Other congenital malformations of brain
- Q05Spina bifida
- Q06Other congenital malformations of spinal cord
- Q07Other congenital malformations of nervous system
- Q10Congenital malform of eyelid, lacrimal apparatus and orbit
- Q11Anophthalmos, microphthalmos and macrophthalmos
- Q12Congenital lens malformations
- Q13Congenital malformations of anterior segment of eye
- Q14Congenital malformations of posterior segment of eye
- Q15Other congenital malformations of eye
- Q16Congenital malform of ear causing impairment of hearing
- Q17Other congenital malformations of ear
- Q18Other congenital malformations of face and neck
- Q20Congenital malformations of cardiac chambers and connections
- Q21Congenital malformations of cardiac septa
- Q22Congenital malformations of pulmonary and tricuspid valves
- Q23Congenital malformations of aortic and mitral valves
- Q24Other congenital malformations of heart
- Q25Congenital malformations of great arteries
- Q26Congenital malformations of great veins
- Q27Other congenital malformations of peripheral vascular system
- Q28Other congenital malformations of circulatory system
- Q30Congenital malformations of nose
- Q31Congenital malformations of larynx
- Q32Congenital malformations of trachea and bronchus
- Q33Congenital malformations of lung
- Q34Other congenital malformations of respiratory system
- Q35Cleft palate
- Q36Cleft lip
- Q37Cleft palate with cleft lip
- Q38Other congenital malformations of tongue, mouth and pharynx
- Q39Congenital malformations of esophagus
51 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
361 to 400 of 1,067
- Q44.79Other congenital malformations of liverBillable
- Q45Other congenital malformations of digestive systemHeader
- Q45.0Agenesis, aplasia and hypoplasia of pancreasBillable
- Q45.1Annular pancreasBillable
- Q45.2Congenital pancreatic cystBillable
- Q45.3Other congenital malformations of pancreas and pancreatic ductBillable
- Q45.8Other specified congenital malformations of digestive systemBillable
- Q45.9Congenital malformation of digestive system, unspecifiedBillable
- Q50Congen malform of ovaries, fallopian tubes and broad ligamentsHeader
- Q50.0Congenital absence of ovaryHeader
- Q50.01Congenital absence of ovary, unilateralBillable
- Q50.02Congenital absence of ovary, bilateralBillable
- Q50.1Developmental ovarian cystBillable
- Q50.2Congenital torsion of ovaryBillable
- Q50.3Other congenital malformations of ovaryHeader
- Q50.31Accessory ovaryBillable
- Q50.32Ovarian streakBillable
- Q50.39Other congenital malformation of ovaryBillable
- Q50.4Embryonic cyst of fallopian tubeBillable
- Q50.5Embryonic cyst of broad ligamentBillable
- Q50.6Other congenital malformations of fallop and broad ligamentBillable
- Q51Congenital malformations of uterus and cervixHeader
- Q51.0Agenesis and aplasia of uterusBillable
- Q51.1Doubling of uterus with doubling of cervix and vaginaHeader
- Q51.10Doubling of uterus with doubling of cervix and vagina without obstBillable
- Q51.11Doubling of uterus with doubling of cervix and vagina with obstBillable
- Q51.2Other doubling of uterusHeader
- Q51.21Complete doubling of uterusBillable
- Q51.22Partial doubling of uterusBillable
- Q51.28Other and unspecified doubling of uterusBillable
- Q51.3Bicornate uterusBillable
- Q51.4Unicornate uterusBillable
- Q51.5Agenesis and aplasia of cervixBillable
- Q51.6Embryonic cyst of cervixBillable
- Q51.7Congen fistulae between uterus and digestive and urinary tractsBillable
- Q51.8Other congenital malformations of uterus and cervixHeader
- Q51.81Other congenital malformations of uterusHeader
- Q51.810Arcuate uterusBillable
- Q51.811Hypoplasia of uterusBillable
- Q51.818Other congenital malformations of uterusBillable