| 3-Methylglutaconicaciduria | HP:0003344 | | |
| 3-Methylglutaconic aciduria | HP:0003535 | | |
| 3-methylglutaricaciduria | HP:0003344 | | |
| 3-Methylglutaric aciduria | HP:0003344 | | |
| 3rd toe clinodactyly | HP:0008115 | | |
| 4-5 finger syndactyly | HP:0010705 | | |
| 4-5 toe syndactyly | HP:0004692 | | |
| 46,xy gonadal dysgenesis | HP:0008668 | | |
| 4-Hydroxyphenylacetic aciduria | HP:0003607 | | |
| 4-Hydroxyphenylpyruvic aciduria | HP:0003161 | | |
| 4th finger camptodactyly | HP:0009276 | | |
| 4th toe clinodactyly | HP:0011918 | | |
| 5-oxoprolinase deficiency | HP:0040142 | | |
| 5th finger camptodactyly | HP:0009185 | | |
| 5th finger middle phalangeal hypoplasia | HP:0004220 | | |
| 6 metacarpals | HP:0001501 | | |
| Abasia | HP:0012651 | | |
| Abdomen abnormality | HP:0001438 | | |
| Abdominal aortic aneurysm | HP:0004953 | | |
| Abdominal colic | HP:0011848 | | |
| Abdominal distension | HP:0003270 | | |
| Abdominal distention | HP:0003270 | | |
| Abdominal ectopia cordis | HP:0011582 | | |
| Abdominal muscular hypoplasia | HP:0005247 | | |
| Abdominal obesity | HP:0012743 | | |
| Abdominal pain | HP:0002027 | | |
| Abdominal protuberance | HP:0001538 | | |
| Abdominal situs inversus | HP:0003363 | | |
| Abdominal swelling | HP:0003270 | | |
| Abdominal symptom | HP:0011458 | | |
