Acute respiratory distress syndrome (ARDS)
Acute tubular necrosis (ATN)
Acute-on-chronic kidney (renal) disease
Adamantinoma (site unspecified)
Actinomyces infection
Actinomycosis
Acute kidney (renal) failure (ARF) – azotaemic (urine output unspecified)
Acute kidney (renal) failure (ARF) – azotaemic – anuric
Acute kidney (renal) failure (ARF) – azotaemic – oliguric
Acute kidney (renal) failure (ARF) – azotaemic – polyuric