| AK | above knee; acetate kinase; adenosine kinase; adenylate kinase; artificial kidney |
|---|---|
| APCD | acquired prothrombin complex deficiency [syndrome]; adult polycystic kidney disease |
| APCKD | adult-type polycystic kidney disease |
| APKD | adult-onset polycystic kidney disease |
| ARPKD | autosomal recessive polycystic kidney disease |