| Label | Id | |
|---|---|---|
| aphasia | 0000598 | |
| apodia | 0017446 | |
| appendicitis | 0005649 | |
| apraxia | 0000665 | |
| aprosencephaly | 0035450 | |
| arachnoiditis | 0015304 | |
| argyria | 0018952 | |
| ariboflavinosis | 0004573 | |
| arrhinia | 0015237 | |
| arteriolosclerosis | 0006658 | |
| arteritis | 0043494 | |
| arthrogryposis | 0008779 | |
| arthropathy | 0006816 | |
| asbestosis | 0016466 | |
| aspartylglucosaminuria | 0008830 |