• Anergasia (see also Psychosis, organic) 294.9
  • Anesthesia, anesthetic 782.0
  • Anetoderma (maculosum) 701.3
  • Aneuploidy NEC 758.5
  • Aneurin deficiency 265.1
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (ruptured) (saccular) (varicose) 442.9
  • Angiectasis 459.89
  • Angiectopia 459.9
  • Angiitis 447.6
  • Angina (attack) (cardiac) (chest) (effort) (heart) (pectoris) (syndrome) (vasomotor) 413.9
  • Angioblastoma (M9161/1) - see Neoplasm, connective tissue, uncertain behavior
  • Angiocholecystitis (see also Cholecystitis, acute) 575.0
  • Angiocholitis (see also Cholecystitis, acute) 576.1
  • Angiodysgensis spinalis 336.1
  • Angiodysplasia (intestinalis) (intestine) 569.84
  • Angioedema (allergic) (any site) (with urticaria) 995.1
  • Angioendothelioma (M9130/1) - see also Neoplasm, by site, uncertain behavior
  • Angiofibroma (M9160/0) - see also Neoplasm, by site, benign
  • Angiohemophilia (A) (B) 286.4
  • Angioid streaks (choroid) (retina) 363.43
  • Angiokeratoma (M9141/0) - see also Neoplasm, skin, benign
  • Angiokeratosis