Q00-Q99

Congenital malformations, deformations and chromosomal abnormalities

Chapter 17

Covers congenital malformations, deformations, and chromosomal abnormalities present at birth.

Additional Information

From parent codes: Q00-Q99 (Chapter 17)

Excludes 2 — Not Included HereFrom Q00-Q99

Excludes2 means 'NOT INCLUDED HERE!' An Excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time.

  • inborn errors of metabolism (E70-E88)
NotesFrom Q00-Q99

Additional notes from parent codes that apply to this code.

  • Codes from this chapter are not for use on maternal records

Codes in this Chapter (87)

Q00Anencephaly and similar malformations3 codesQ01Encephalocele5 codesQ02MicrocephalyQ03Congenital hydrocephalus4 codesQ04Other congenital malformations of brain9 codesQ05Spina bifida10 codesQ06Other congenital malformations of spinal cord7 codesQ07Other congenital malformations of nervous system3 codesQ10Congenital malformations of eyelid, lacrimal apparatus and orbit8 codesQ11Anophthalmos, microphthalmos and macrophthalmos4 codesQ12Congenital lens malformations7 codesQ13Congenital malformations of anterior segment of eye8 codesQ14Congenital malformations of posterior segment of eye6 codesQ15Other congenital malformations of eye3 codesQ16Congenital malformations of ear causing impairment of hearing7 codesQ17Other congenital malformations of ear8 codesQ18Other congenital malformations of face and neck10 codesQ20Congenital malformations of cardiac chambers and connections9 codesQ21Congenital malformations of cardiac septa7 codesQ22Congenital malformations of pulmonary and tricuspid valves9 codesQ23Congenital malformations of aortic and mitral valves7 codesQ24Other congenital malformations of heart9 codesQ25Congenital malformations of great arteries10 codesQ26Congenital malformations of great veins9 codesQ27Other congenital malformations of peripheral vascular system7 codesQ28Other congenital malformations of circulatory system6 codesQ30Congenital malformations of nose6 codesQ31Congenital malformations of larynx7 codesQ32Congenital malformations of trachea and bronchus5 codesQ33Congenital malformations of lung9 codesQ34Other congenital malformations of respiratory system4 codesQ35Cleft palate5 codesQ36Cleft lip3 codesQ37Cleft palate with cleft lip8 codesQ38Other congenital malformations of tongue, mouth and pharynx9 codesQ39Congenital malformations of esophagus9 codesQ40Other congenital malformations of upper alimentary tract6 codesQ41Congenital absence, atresia and stenosis of small intestine5 codesQ42Congenital absence, atresia and stenosis of large intestine6 codesQ43Other congenital malformations of intestine10 codesQ44Congenital malformations of gallbladder, bile ducts and liver8 codesQ45Other congenital malformations of digestive system6 codesQ50Congenital malformations of ovaries, fallopian tubes and broad ligaments7 codesQ51Congenital malformations of uterus and cervix10 codesQ52Other congenital malformations of female genitalia10 codesQ53Undescended and ectopic testicle4 codesQ54Hypospadias7 codesQ55Other congenital malformations of male genital organs10 codesQ56Indeterminate sex and pseudohermaphroditism5 codesQ60Renal agenesis and other reduction defects of kidney7 codesQ61Cystic kidney disease8 codesQ62Congenital obstructive defects of renal pelvis and congenital malformations of ureter9 codesQ63Other congenital malformations of kidney6 codesQ64Other congenital malformations of urinary system10 codesQ65Congenital deformities of hip9 codesQ66Congenital deformities of feet10 codesQ67Congenital musculoskeletal deformities of head, face, spine and chest9 codesQ68Other congenital musculoskeletal deformities8 codesQ69Polydactyly4 codesQ70Syndactyly6 codesQ71Reduction defects of upper limb9 codesQ72Reduction defects of lower limb10 codesQ73Reduction defects of unspecified limb3 codesQ74Other congenital malformations of limb(s)6 codesQ75Other congenital malformations of skull and face bones8 codesQ76Congenital malformations of spine and bony thorax10 codesQ77Osteochondrodysplasia with defects of growth of tubular bones and spine10 codesQ78Other osteochondrodysplasias9 codesQ79Congenital malformations of musculoskeletal system, not elsewhere classified9 codesQ80Congenital ichthyosis7 codesQ81Epidermolysis bullosa5 codesQ82Other congenital malformations of skin9 codesQ83Congenital malformations of breast6 codesQ84Other congenital malformations of integument9 codesQ85Phakomatoses, not elsewhere classified4 codesQ86Congenital malformation syndromes due to known exogenous causes, not elsewhere classified4 codesQ87Other specified congenital malformation syndromes affecting multiple systems7 codesQ89Other congenital malformations, not elsewhere classified8 codesQ90Down syndrome4 codesQ91Trisomy 18 and Trisomy 138 codesQ92Other trisomies and partial trisomies of the autosomes, not elsewhere classified8 codesQ93Monosomies and deletions from the autosomes, not elsewhere classified9 codesQ95Balanced rearrangements and structural markers, not elsewhere classified7 codesQ96Turner's syndrome7 codesQ97Other sex chromosome abnormalities, female phenotype, not elsewhere classified6 codesQ98Other sex chromosome abnormalities, male phenotype, not elsewhere classified9 codesQ99Other chromosome abnormalities, not elsewhere classified5 codes