ICD-10-CM · FY2027
Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Chapter 17 of the ICD-10-CM Tabular List covers Q00-QA1 and contains 1,095 codes across 89 categories, of which 900 are billable for FY2027.
Excludes2 — not included here
The conditions below are not part of this code, but a patient may have both at the same time. When documentation supports it, this code and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
Note
- Codes from this chapter are not for use on maternal records
Q00-Q07 — Congenital malformations of the nervous system
Q10-Q18 — Congenital malformations of eye, ear, face and neck
- Q10Congenital malformations 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 malformations of ear causing impairment of hearing
- Q17Other congenital malformations of ear
- Q18Other congenital malformations of face and neck
Q20-Q28 — Congenital malformations of the circulatory system
- 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
Q30-Q34 — Congenital malformations of the respiratory system
Q35-Q37 — Cleft lip and cleft palate
Q38-Q45 — Other congenital malformations of the digestive system
- Q38Other congenital malformations of tongue, mouth and pharynx
- Q39Congenital malformations of esophagus
- Q40Other congenital malformations of upper alimentary tract
- Q41Congenital absence, atresia and stenosis of small intestine
- Q42Congenital absence, atresia and stenosis of large intestine
- Q43Other congenital malformations of intestine
- Q44Congenital malformations of gallbladder, bile ducts and liver
- Q45Other congenital malformations of digestive system
Q50-Q56 — Congenital malformations of genital organs
- Q50Congenital malformations of ovaries, fallopian tubes and broad ligaments
- Q51Congenital malformations of uterus and cervix
- Q52Other congenital malformations of female genitalia
- Q53Undescended and ectopic testicle
- Q54Hypospadias
- Q55Other congenital malformations of male genital organs
- Q56Indeterminate sex and pseudohermaphroditism
Q60-Q64 — Congenital malformations of the urinary system
Q65-Q79 — Congenital malformations and deformations of the musculoskeletal system
- Q65Congenital deformities of hip
- Q66Congenital deformities of feet
- Q67Congenital musculoskeletal deformities of head, face, spine and chest
- Q68Other congenital musculoskeletal deformities
- Q69Polydactyly
- Q70Syndactyly
- Q71Reduction defects of upper limb
- Q72Reduction defects of lower limb
- Q73Reduction defects of unspecified limb
- Q74Other congenital malformations of limb(s)
- Q75Other congenital malformations of skull and face bones
- Q76Congenital malformations of spine and bony thorax
- Q77Osteochondrodysplasia with defects of growth of tubular bones and spine
- Q78Other osteochondrodysplasias
- Q79Congenital malformations of musculoskeletal system, not elsewhere classified
Q80-Q89 — Other congenital malformations
- Q80Congenital ichthyosis
- Q81Epidermolysis bullosa
- Q82Other congenital malformations of skin
- Q83Congenital malformations of breast
- Q84Other congenital malformations of integument
- Q85Phakomatoses, not elsewhere classified
- Q86Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
- Q87Other specified congenital malformation syndromes affecting multiple systems
- Q89Other congenital malformations, not elsewhere classified
Q90-Q99 — Chromosomal abnormalities, not elsewhere classified
- Q90Down syndrome
- Q91Trisomy 18 and Trisomy 13
- Q92Other trisomies and partial trisomies of the autosomes, not elsewhere classified
- Q93Monosomies and deletions from the autosomes, not elsewhere classified
- Q95Balanced rearrangements and structural markers, not elsewhere classified
- Q96Turner's syndrome
- Q97Other sex chromosome abnormalities, female phenotype, not elsewhere classified
- Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classified
- Q99Other chromosome abnormalities, not elsewhere classified