Q00-Q99ICD-10-CM chapter
Congenital malformations, deformations and chromosomal abnormalities
Q00-Q99 covers the ICD-10-CM codes for congenital malformations, deformations and chromosomal abnormalities — 87 categories. Select one to see its codes, billable status, and coding notes.
Categories in Q00-Q99
Q00Anencephaly and similar malformations›Q01Encephalocele›Q02MicrocephalyBillable›Q03Congenital hydrocephalus›Q04Other congenital malformations of brain›Q05Spina bifida›Q06Other congenital malformations of spinal cord›Q07Other congenital malformations of nervous system›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›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›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›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›Q60Renal agenesis and other reduction defects of kidney›Q61Cystic kidney disease›Q62Congenital obstructive defects of renal pelvis and congenital malformations of ureter›Q63Other congenital malformations of kidney›Q64Other congenital malformations of urinary 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›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›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›
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