CC Codes: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99)
245 codes in Q00-Q99 are a CC as a secondary diagnosis under MS-DRG v44.0 (FY2027). Full CC list
Q00-Q07
| Q01.0 | Frontal encephalocele |
| Q01.1 | Nasofrontal encephalocele |
| Q01.2 | Occipital encephalocele |
| Q01.8 | Encephalocele of other sites |
| Q01.9 | Encephalocele, unspecified |
| Q04.4 | Septo-optic dysplasia of brain |
| Q04.5 | Megalencephaly |
| Q04.6 | Congenital cerebral cysts |
| Q04.8 | Other specified congenital malformations of brain |
| Q05.0 | Cervical spina bifida with hydrocephalus |
| Q05.1 | Thoracic spina bifida with hydrocephalus |
| Q05.2 | Lumbar spina bifida with hydrocephalus |
| Q05.3 | Sacral spina bifida with hydrocephalus |
| Q05.4 | Unspecified spina bifida with hydrocephalus |
| Q07.02 | Arnold-Chiari syndrome with hydrocephalus |
| Q07.03 | Arnold-Chiari syndrome with spina bifida and hydrocephalus |
Q20-Q28
| Q20.5 | Discordant atrioventricular connection |
| Q21.0 | Ventricular septal defect |
| Q21.10 | Atrial septal defect, unspecified |
| Q21.11 | Secundum atrial septal defect |
| Q21.12 | Patent foramen ovale |
| Q21.13 | Coronary sinus atrial septal defect |
| Q21.14 | Superior sinus venosus atrial septal defect |
| Q21.15 | Inferior sinus venosus atrial septal defect |
| Q21.16 | Sinus venosus atrial septal defect, unspecified |
| Q21.19 | Other specified atrial septal defect |
| Q21.20 | Atrioventricular septal defect, unspecified as to partial or complete |
| Q21.21 | Partial atrioventricular septal defect |
| Q21.22 | Transitional atrioventricular septal defect |
| Q21.23 | Complete atrioventricular septal defect |
| Q22.1 | Congenital pulmonary valve stenosis |
| Q22.2 | Congenital pulmonary valve insufficiency |
| Q22.3 | Other congenital malformations of pulmonary valve |
| Q23.0 | Congenital stenosis of aortic valve |
| Q23.1 | Congenital insufficiency of aortic valve |
| Q23.2 | Congenital mitral stenosis |
| Q23.3 | Congenital mitral insufficiency |
| Q24.0 | Dextrocardia |
| Q24.1 | Levocardia |
| Q24.3 | Pulmonary infundibular stenosis |
| Q24.5 | Malformation of coronary vessels |
| Q25.0 | Patent ductus arteriosus |
| Q25.1 | Coarctation of aorta |
| Q25.21 | Interruption of aortic arch |
| Q25.29 | Other atresia of aorta |
| Q25.3 | Supravalvular aortic stenosis |
| Q25.40 | Congenital malformation of aorta unspecified |
| Q25.41 | Absence and aplasia of aorta |
| Q25.42 | Hypoplasia of aorta |
| Q25.43 | Congenital aneurysm of aorta |
| Q25.44 | Congenital dilation of aorta |
| Q25.45 | Double aortic arch |
| Q25.46 | Tortuous aortic arch |
| Q25.47 | Right aortic arch |
| Q25.48 | Anomalous origin of subclavian artery |
| Q25.49 | Other congenital malformations of aorta |
| Q25.8 | Other congenital malformations of other great arteries |
| Q25.9 | Congenital malformation of great arteries, unspecified |
| Q26.0 | Congenital stenosis of vena cava |
| Q26.1 | Persistent left superior vena cava |
| Q26.2 | Total anomalous pulmonary venous connection |
| Q26.3 | Partial anomalous pulmonary venous connection |
| Q26.4 | Anomalous pulmonary venous connection, unspecified |
| Q26.8 | Other congenital malformations of great veins |
| Q26.9 | Congenital malformation of great vein, unspecified |
| Q27.30 | Arteriovenous malformation, site unspecified |
| Q27.4 | Congenital phlebectasia |
| Q28.0 | Arteriovenous malformation of precerebral vessels |
| Q28.1 | Other malformations of precerebral vessels |
| Q28.8 | Other specified congenital malformations of circulatory system |
| Q28.9 | Congenital malformation of circulatory system, unspecified |
Q30-Q34
| Q31.1 | Congenital subglottic stenosis |
| Q31.2 | Laryngeal hypoplasia |
| Q31.3 | Laryngocele |
| Q31.5 | Congenital laryngomalacia |
| Q31.8 | Other congenital malformations of larynx |
| Q31.9 | Congenital malformation of larynx, unspecified |
| Q32.0 | Congenital tracheomalacia |
| Q32.1 | Other congenital malformations of trachea |
| Q32.2 | Congenital bronchomalacia |
| Q32.3 | Congenital stenosis of bronchus |
| Q32.4 | Other congenital malformations of bronchus |
| Q33.0 | Congenital cystic lung |
| Q33.4 | Congenital bronchiectasis |
Q38-Q45
| Q39.5 | Congenital dilatation of esophagus |
| Q39.6 | Congenital diverticulum of esophagus |
| Q39.8 | Other congenital malformations of esophagus |
| Q39.9 | Congenital malformation of esophagus, unspecified |
| Q41.0 | Congenital absence, atresia and stenosis of duodenum |
| Q41.1 | Congenital absence, atresia and stenosis of jejunum |
| Q41.2 | Congenital absence, atresia and stenosis of ileum |
| Q41.8 | Congenital absence, atresia and stenosis of other specified parts of small intestine |
| Q41.9 | Congenital absence, atresia and stenosis of small intestine, part unspecified |
| Q42.0 | Congenital absence, atresia and stenosis of rectum with fistula |
| Q42.1 | Congenital absence, atresia and stenosis of rectum without fistula |
| Q42.2 | Congenital absence, atresia and stenosis of anus with fistula |
| Q42.3 | Congenital absence, atresia and stenosis of anus without fistula |
| Q42.8 | Congenital absence, atresia and stenosis of other parts of large intestine |
| Q42.9 | Congenital absence, atresia and stenosis of large intestine, part unspecified |
| Q43.1 | Hirschsprung's disease |
| Q43.2 | Other congenital functional disorders of colon |
| Q43.3 | Congenital malformations of intestinal fixation |
| Q43.4 | Duplication of intestine |
| Q43.5 | Ectopic anus |
| Q43.6 | Congenital fistula of rectum and anus |
| Q43.7 | Persistent cloaca |
| Q43.8 | Other specified congenital malformations of intestine |
| Q43.9 | Congenital malformation of intestine, unspecified |
| Q44.0 | Agenesis, aplasia and hypoplasia of gallbladder |
| Q44.1 | Other congenital malformations of gallbladder |
| Q44.4 | Choledochal cyst |
| Q44.5 | Other congenital malformations of bile ducts |
| Q44.6 | Cystic disease of liver |
| Q44.70 | Other congenital malformation of liver, unspecified |
| Q44.71 | Alagille syndrome |
| Q44.79 | Other congenital malformations of liver |
| Q45.0 | Agenesis, aplasia and hypoplasia of pancreas |
| Q45.1 | Annular pancreas |
| Q45.2 | Congenital pancreatic cyst |
| Q45.3 | Other congenital malformations of pancreas and pancreatic duct |
Q60-Q64
| Q60.0 | Renal agenesis, unilateral |
| Q60.1 | Renal agenesis, bilateral |
| Q60.2 | Renal agenesis, unspecified |
| Q60.3 | Renal hypoplasia, unilateral |
| Q60.4 | Renal hypoplasia, bilateral |
| Q60.5 | Renal hypoplasia, unspecified |
| Q60.6 | Potter's syndrome |
| Q61.00 | Congenital renal cyst, unspecified |
| Q61.01 | Congenital single renal cyst |
| Q61.02 | Congenital multiple renal cysts |
| Q61.11 | Cystic dilatation of collecting ducts |
| Q61.19 | Other polycystic kidney, infantile type |
| Q61.2 | Polycystic kidney, adult type |
| Q61.3 | Polycystic kidney, unspecified |
| Q61.4 | Renal dysplasia |
| Q61.5 | Medullary cystic kidney |
| Q61.8 | Other cystic kidney diseases |
| Q61.9 | Cystic kidney disease, unspecified |
| Q62.0 | Congenital hydronephrosis |
| Q62.10 | Congenital occlusion of ureter, unspecified |
| Q62.11 | Congenital occlusion of ureteropelvic junction |
| Q62.12 | Congenital occlusion of ureterovesical orifice |
| Q62.2 | Congenital megaureter |
| Q62.31 | Congenital ureterocele, orthotopic |
| Q62.32 | Cecoureterocele |
| Q62.39 | Other obstructive defects of renal pelvis and ureter |
| Q64.10 | Exstrophy of urinary bladder, unspecified |
| Q64.11 | Supravesical fissure of urinary bladder |
| Q64.12 | Cloacal exstrophy of urinary bladder |
| Q64.19 | Other exstrophy of urinary bladder |
| Q64.2 | Congenital posterior urethral valves |
| Q64.31 | Congenital bladder neck obstruction |
| Q64.32 | Congenital stricture of urethra |
| Q64.33 | Congenital stricture of urinary meatus |
| Q64.39 | Other atresia and stenosis of urethra and bladder neck |
Q65-Q79
| Q67.5 | Congenital deformity of spine |
| Q67.8 | Other congenital deformities of chest |
| Q68.1 | Congenital deformity of finger(s) and hand |
| Q74.3 | Arthrogryposis multiplex congenita |
| Q76.3 | Congenital scoliosis due to congenital bony malformation |
| Q76.425 | Congenital lordosis, thoracolumbar region |
| Q76.426 | Congenital lordosis, lumbar region |
| Q76.427 | Congenital lordosis, lumbosacral region |
| Q76.428 | Congenital lordosis, sacral and sacrococcygeal region |
| Q76.429 | Congenital lordosis, unspecified region |
| Q76.6 | Other congenital malformations of ribs |
| Q76.7 | Congenital malformation of sternum |
| Q76.8 | Other congenital malformations of bony thorax |
| Q76.9 | Congenital malformation of bony thorax, unspecified |
| Q77.2 | Short rib syndrome |
| Q78.0 | Osteogenesis imperfecta |
| Q78.2 | Osteopetrosis |
| Q79.60 | Ehlers-Danlos syndrome, unspecified |
| Q79.61 | Classical Ehlers-Danlos syndrome |
| Q79.62 | Hypermobile Ehlers-Danlos syndrome |
| Q79.63 | Vascular Ehlers-Danlos syndrome |
| Q79.69 | Other Ehlers-Danlos syndromes |
Q80-Q89
| Q85.1 | Tuberous sclerosis |
| Q85.81 | PTEN hamartoma tumor syndrome |
| Q85.82 | Other Cowden syndrome |
| Q85.83 | Von Hippel-Lindau syndrome |
| Q85.89 | Other phakomatoses, not elsewhere classified |
| Q85.9 | Phakomatosis, unspecified |
| Q87.11 | Prader-Willi syndrome |
| Q87.19 | Other congenital malformation syndromes predominantly associated with short stature |
| Q87.2 | Congenital malformation syndromes predominantly involving limbs |
| Q87.3 | Congenital malformation syndromes involving early overgrowth |
| Q87.40 | Marfan syndrome, unspecified |
| Q87.410 | Marfan syndrome with aortic dilation |
| Q87.418 | Marfan syndrome with other cardiovascular manifestations |
| Q87.42 | Marfan syndrome with ocular manifestations |
| Q87.43 | Marfan syndrome with skeletal manifestation |
| Q87.5 | Other congenital malformation syndromes with other skeletal changes |
| Q87.81 | Alport syndrome |
| Q87.82 | Arterial tortuosity syndrome |
| Q87.83 | Bardet-Biedl syndrome |
| Q87.84 | Laurence-Moon syndrome |
| Q87.85 | MED13L syndrome |
| Q87.86 | Kleefstra syndrome |
| Q87.87 | Hao-Fountain Syndrome |
| Q87.88 | CTNNB1 syndrome |
| Q87.89 | Other specified congenital malformation syndromes, not elsewhere classified |
| Q87.A | Loeys-Dietz syndrome |
| Q89.01 | Asplenia (congenital) |
| Q89.09 | Congenital malformations of spleen |
| Q89.3 | Situs inversus |
| Q89.7 | Multiple congenital malformations, not elsewhere classified |
| Q89.81 | Kabuki syndrome |
| Q89.89 | Other specified congenital malformations |
Q90-Q99
| Q91.0 | Trisomy 18, nonmosaicism (meiotic nondisjunction) |
| Q91.1 | Trisomy 18, mosaicism (mitotic nondisjunction) |
| Q91.2 | Trisomy 18, translocation |
| Q91.3 | Trisomy 18, unspecified |
| Q91.4 | Trisomy 13, nonmosaicism (meiotic nondisjunction) |
| Q91.5 | Trisomy 13, mosaicism (mitotic nondisjunction) |
| Q91.6 | Trisomy 13, translocation |
| Q91.7 | Trisomy 13, unspecified |
| Q93.3 | Deletion of short arm of chromosome 4 |
| Q93.4 | Deletion of short arm of chromosome 5 |
| Q93.51 | Angelman syndrome |
| Q93.52 | Phelan-McDermid syndrome |
| Q93.59 | Other deletions of part of a chromosome |
| Q93.7 | Deletions with other complex rearrangements |
| Q93.82 | Williams syndrome |
| Q93.88 | Other microdeletions |
| Q93.89 | Other deletions from the autosomes |
| Q93.9 | Deletion from autosomes, unspecified |
| Q99.811 | Usher syndrome, type 1 |
| Q99.812 | Usher syndrome, type 2 |
| Q99.813 | Usher syndrome, type 3 |
| Q99.818 | Other Usher syndrome |
| Q99.819 | Usher syndrome, unspecified |
QA0-QA1
| QA0.0101 | SCN2A-related neurodevelopmental disorder |
| QA0.0102 | CACNA1A-related neurodevelopmental disorder |
| QA0.0109 | Neurodevelopmental disorder related to pathogenic variant in other ion channel gene |
| QA0.011 | Neurodevelopmental disorders, related to pathogenic variants in glutamate receptor genes |
| QA0.012 | Neurodevelopmental disorders, related to pathogenic variants in other receptor genes |
| QA0.0131 | SLC6A1-related disorder |
| QA0.0139 | Neurodevelopmental disorder, related to pathogenic variant in other transporter or solute carrier gene |
| QA0.0141 | Syntaxin-binding protein 1-related disorder |
| QA0.0142 | DLG4-related synaptopathy |
| QA0.0149 | Neurodevelopmental disorder, related to pathogenic variant in other synapse related gene |
| QA0.0151 | FOXG1 syndrome |
| QA0.0159 | Neurodevelopmental disorder, related to other genes associated with transcription and gene expression |
| QA0.8 | Other neurodevelopmental disorders related to pathogenic variants in other specific genes |