| Q360 | Cleft lip, bilateral |
| Q361 | Cleft lip, median |
| Q369 | Cleft lip, unilateral |
| Q37 | Cleft palate with cleft lip |
| Q370 | Cleft hard palate with bilateral cleft lip |
| Q371 | Cleft hard palate with unilateral cleft lip |
| Q372 | Cleft soft palate with bilateral cleft lip |
| Q373 | Cleft soft palate with unilateral cleft lip |
| Q374 | Cleft hard and soft palate with bilateral cleft lip |
| Q375 | Cleft hard and soft palate with unilateral cleft lip |
| Q378 | Unspecified cleft palate with bilateral cleft lip |
| Q379 | Unspecified cleft palate with unilateral cleft lip |
| Q38 | Other congenital malformations of tongue, mouth and pharynx |
| Q380 | Congenital malformations of lips, not elsewhere classified |
| Q381 | Ankyloglossia |
| Q382 | Macroglossia |
| Q383 | Other congenital malformations of tongue |
| Q384 | Congenital malformations of salivary glands and ducts |
| Q385 | Congenital malformations of palate, not elsewhere classified Congenital malformations of palate, not elsewhere classified |
| Q386 | Other congenital malformations of mouth |
| Q387 | Congenital pharyngeal pouch |
| Q388 | Other congenital malformations of pharynx |
| Q39 | Congenital malformations of esophagus |
| Q390 | Atresia of esophagus without fistula |
| Q391 | Atresia of esophagus with tracheo-esophageal fistula |
| Q392 | Congenital tracheo-esophageal fistula without atresia |
| Q393 | Congenital stenosis and stricture of esophagus |
| Q394 | Esophageal web |
| Q395 | Congenital dilatation of esophagus |
| Q396 | Congenital diverticulum of esophagus |
| Q398 | Other congenital malformations of esophagus |
| Q399 | Congenital malformation of esophagus, unspecified |
| Q40 | Other congenital malformations of upper alimentary tract |
| Q400 | Congenital hypertrophic pyloric stenosis |
| Q401 | Congenital hiatus hernia |
| Q402 | Other specified congenital malformations of stomach |
| Q403 | Congenital malformation of stomach, unspecified |
| Q408 | Other specified congenital malformations of upper alimentary tract |
| Q409 | Congenital malformation of upper alimentary tract, unspecified |
| Q41 | Congenital absence, atresia and stenosis of small intestine |
| Q410 | Congenital absence, atresia and stenosis of duodenum |
| Q411 | Congenital absence, atresia and stenosis of jejunum |
| Q412 | Congenital absence, atresia and stenosis of ileum |
| Q418 | Congenital absence, atresia and stenosis of other specified parts of small intestine |
| Q419 | Congenital absence, atresia and stenosis of small intestine, part unspecified |
| Q42 | Congenital absence, atresia and stenosis of large intestine |
| Q420 | Congenital absence, atresia and stenosis of rectum w fistula Congenital absence, atresia and stenosis of rectum with fistula |
| Q421 | Congenital absence, atresia and stenosis of rectum without fistula |
| Q422 | Congenital absence, atresia and stenosis of anus with fistula |
| Q423 | Congenital absence, atresia and stenosis of anus w/o fistula Congenital absence, atresia and stenosis of anus without fistula |