| Acute myelomonocytic leukemia | http://bio2rdf.org/meddra:C0023479 | | |
| Acute myocardial infarction | http://bio2rdf.org/meddra:C0155626 | | |
| Acute nephritis | http://bio2rdf.org/meddra:C0268733 | | |
| Acute onset pain | http://bio2rdf.org/meddra:C0184567 | | |
| Acute pharyngitis | http://bio2rdf.org/meddra:C0001344 | | |
| Acute pneumonia | http://bio2rdf.org/meddra:C0740766 | | |
| Acute Promyelocytic Leukemia | http://bio2rdf.org/meddra:C0023487 | | |
| Acute prostatitis | http://bio2rdf.org/meddra:C0149524 | | |
| Acute pulmonary oedema | http://bio2rdf.org/meddra:C0155919 | | |
| Acute pyelonephritis | http://bio2rdf.org/meddra:C0520575 | | |
| Acute respiratory insufficiency | http://bio2rdf.org/meddra:C0865850 | | |
| Acute retention of urine | http://bio2rdf.org/meddra:C0341742 | | |
| Acute sinusitis | http://bio2rdf.org/meddra:C0149512 | | |
| Acute swimmer's ear | http://bio2rdf.org/meddra:C0155393 | | |
| Acute tonsillitis | http://bio2rdf.org/meddra:C0001361 | | |
| Acute ulcerative colitis | http://bio2rdf.org/meddra:C1260710 | | |
| Adams-Stokes Syndrome | http://bio2rdf.org/meddra:C0001396 | | |
| Addison Disease | http://bio2rdf.org/meddra:C0001403 | | |
| Addisonian crisis | http://bio2rdf.org/meddra:C0151467 | | |
| Adenocarcinoma | http://bio2rdf.org/meddra:C0001418 | | |
| Adenocarcinoma pancreas | http://bio2rdf.org/meddra:C0281361 | | |
| Adenoma | http://bio2rdf.org/meddra:C0001430 | | |
| Adenomatous Polyposis Coli | http://bio2rdf.org/meddra:C0032580 | | |
| ADHF | http://bio2rdf.org/meddra:C1609524 | | |
| Adnexitis | http://bio2rdf.org/meddra:C0001577 | | |
| Adrenal carcinoma | http://bio2rdf.org/meddra:C1370740 | | |
| Adrenal Cortical Adenoma | http://bio2rdf.org/meddra:C0206667 | | |
| Adrenal cortical hypofunction | http://bio2rdf.org/meddra:C0405580 | | |
| Adrenal Gland Diseases | http://bio2rdf.org/meddra:C0001621 | | |
| Adrenal Gland Hyperfunction | http://bio2rdf.org/meddra:C0001622 | | |