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January 2023
October 2022

CMS Transmittals

In Memoriam: Gregory B. Root

ICD-10 Code or Description Search:
Congenital malformations, deformations and chromosomal abnormalities -Back to Parent Categories

*Header codes are not valid for HIPAA-covered transactions
Q00*Anencephaly and similar malformations
Q03*Congenital hydrocephalus
Q04*Other congenital malformations of brain
Q05*Spina bifida
Q06*Other congenital malformations of spinal cord
Q07*Other congenital malformations of nervous system
Q07.0*Arnold-Chiari syndrome
Q10*Congenital malformations of eyelid, lacrimal apparatus and orbit
Q11*Anophthalmos, microphthalmos and macrophthalmos
Q12*Congenital lens malformations
Q13*Congenital malformations of anterior segment of eye
Q13.8*Other congenital malformations of anterior segment of eye
Q14*Congenital malformations of posterior segment of eye
Q15*Other congenital malformations of eye
Q16*Congenital malformations of ear causing impairment of hearing
Q17*Other congenital malformations of ear
Q18*Other congenital malformations of face and neck
Q20*Congenital malformations of cardiac chambers and connections
Q21*Congenital malformations of cardiac septa
Q22*Congenital malformations of pulmonary and tricuspid valves
Q23*Congenital malformations of aortic and mitral valves
Q24*Other congenital malformations of heart
Q25*Congenital malformations of great arteries
Q25.2*Atresia of aorta
Q25.4*Other congenital malformations of aorta
Q25.7*Other congenital malformations of pulmonary artery
Q26*Congenital malformations of great veins
Q27*Other congenital malformations of peripheral vascular system
Q27.3*Arteriovenous malformation (peripheral)
Q28*Other congenital malformations of circulatory system
Q30*Congenital malformations of nose
Q31*Congenital malformations of larynx
Q32*Congenital malformations of trachea and bronchus
Q33*Congenital malformations of lung
Q34*Other congenital malformations of respiratory system
Q35*Cleft palate
Q36*Cleft lip
Q37*Cleft palate with cleft lip
Q38*Other congenital malformations of tongue, mouth and pharynx
Q39*Congenital malformations of esophagus
Q40*Other congenital malformations of upper alimentary tract
Q41*Congenital absence, atresia and stenosis of small intestine
Q42*Congenital absence, atresia and stenosis of large intestine
Q43*Other congenital malformations of intestine
Q44*Congenital malformations of gallbladder, bile ducts and liver
Q45*Other congenital malformations of digestive system
Q50*Congenital malformations of ovaries, fallopian tubes and broad ligaments
Q50.0*Congenital absence of ovary
Q50.3*Other congenital malformations of ovary
Q51*Congenital malformations of uterus and cervix
Q51.1*Doubling of uterus with doubling of cervix and vagina
Q51.2*Other doubling of uterus
Q51.8*Other congenital malformations of uterus and cervix
Q51.81*Other congenital malformations of uterus
Q51.82*Other congenital malformations of cervix
Q52*Other congenital malformations of female genitalia
Q52.1*Doubling of vagina
Q52.12*Longitudinal vaginal septum
Q52.7*Other and unspecified congenital malformations of vulva
Q53*Undescended and ectopic testicle
Q53.0*Ectopic testis
Q53.1*Undescended testicle, unilateral
Q53.11*Abdominal testis, unilateral
Q53.2*Undescended testicle, bilateral
Q53.21*Abdominal testis, bilateral
Q55*Other congenital malformations of male genital organs
Q55.2*Other and unspecified congenital malformations of testis and scrotum
Q55.6*Other congenital malformations of penis
Q56*Indeterminate sex and pseudohermaphroditism
Q60*Renal agenesis and other reduction defects of kidney
Q61*Cystic kidney disease
Q61.0*Congenital renal cyst
Q61.1*Polycystic kidney, infantile type
Q62*Congenital obstructive defects of renal pelvis and congenital malformations of ureter
Q62.1*Congenital occlusion of ureter
Q62.3*Other obstructive defects of renal pelvis and ureter
Q62.6*Malposition of ureter
Q63*Other congenital malformations of kidney
Q64*Other congenital malformations of urinary system
Q64.1*Exstrophy of urinary bladder
Q64.3*Other atresia and stenosis of urethra and bladder neck
Q64.7*Other and unspecified congenital malformations of bladder and urethra
Q65*Congenital deformities of hip
Q65.0*Congenital dislocation of hip, unilateral
Q65.3*Congenital partial dislocation of hip, unilateral
Q65.8*Other congenital deformities of hip
Q66*Congenital deformities of feet
Q66.2*Congenital metatarsus (primus) varus
Q66.5*Congenital pes planus
Q66.8*Other congenital deformities of feet
Q67*Congenital musculoskeletal deformities of head, face, spine and chest
Q68*Other congenital musculoskeletal deformities
Q70.0*Fused fingers
Q70.1*Webbed fingers
Q70.2*Fused toes
Q70.3*Webbed toes
Q71*Reduction defects of upper limb
Q71.0*Congenital complete absence of upper limb
Q71.1*Congenital absence of upper arm and forearm with hand present
Q71.2*Congenital absence of both forearm and hand
Q71.3*Congenital absence of hand and finger
Q71.4*Longitudinal reduction defect of radius
Q71.5*Longitudinal reduction defect of ulna
Q71.6*Lobster-claw hand
Q71.8*Other reduction defects of upper limb
Q71.81*Congenital shortening of upper limb
Q71.89*Other reduction defects of upper limb
Q71.9*Unspecified reduction defect of upper limb
Q72*Reduction defects of lower limb
Q72.0*Congenital complete absence of lower limb
Q72.1*Congenital absence of thigh and lower leg with foot present
Q72.2*Congenital absence of both lower leg and foot
Q72.3*Congenital absence of foot and toe(s)
Q72.4*Longitudinal reduction defect of femur
Q72.5*Longitudinal reduction defect of tibia
Q72.6*Longitudinal reduction defect of fibula
Q72.7*Split foot
Q72.8*Other reduction defects of lower limb
Q72.81*Congenital shortening of lower limb
Q72.89*Other reduction defects of lower limb
Q72.9*Unspecified reduction defect of lower limb
Q73*Reduction defects of unspecified limb
Q74*Other congenital malformations of limb(s)
Q75*Other congenital malformations of skull and face bones
Q76*Congenital malformations of spine and bony thorax
Q76.4*Other congenital malformations of spine, not associated with scoliosis
Q76.41*Congenital kyphosis
Q76.42*Congenital lordosis
Q77*Osteochondrodysplasia with defects of growth of tubular bones and spine
Q78*Other osteochondrodysplasias
Q79*Congenital malformations of musculoskeletal system, not elsewhere classified
Q79.5*Other congenital malformations of abdominal wall
Q80*Congenital ichthyosis
Q81*Epidermolysis bullosa
Q82*Other congenital malformations of skin
Q83*Congenital malformations of breast
Q84*Other congenital malformations of integument
Q85*Phakomatoses, not elsewhere classified
Q85.0*Neurofibromatosis (nonmalignant)
Q86*Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
Q87*Other specified congenital malformation syndromes affecting multiple systems
Q87.4*Marfan's syndrome
Q87.41*Marfan's syndrome with cardiovascular manifestations
Q87.8*Other specified congenital malformation syndromes, not elsewhere classified
Q89*Other congenital malformations, not elsewhere classified
Q89.0*Congenital absence and malformations of spleen
Q90*Down syndrome
Q91*Trisomy 18 and Trisomy 13
Q92*Other trisomies and partial trisomies of the autosomes, not elsewhere classified
Q92.6*Marker chromosomes
Q93*Monosomies and deletions from the autosomes, not elsewhere classified
Q93.5*Other deletions of part of a chromosome
Q93.8*Other deletions from the autosomes
Q95*Balanced rearrangements and structural markers, not elsewhere classified
Q96*Turner's syndrome
Q97*Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Q98*Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Q99*Other chromosome abnormalities, not elsewhere classified

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