• Anhidrosis (lid) (neurogenic) (thermogenic) 705.0
  • Anhydration 276.51
  • Anhydremia 276.52
  • Anidrosis 705.0
  • Aniridia (congenital) 743.45
  • Anisakiasis (infection) (infestation) 127.1
  • Anisakis larva infestation 127.1
  • Aniseikonia 367.32
  • Anisocoria (pupil) 379.41
  • Anisocytosis 790.09
  • Anisometropia (congenital) 367.31
  • Ankle - see condition
  • Ankyloblepharon (acquired) (eyelid) 374.46
  • Ankylodactly (see also Syndactylism) 755.10
  • Ankyloglossia 750.0
  • Ankylosis (fibrous) (osseous) 718.50
  • Ankylostoma - see Ancylostoma
  • Ankylostomiasis (intestinal) - see Ancylostomiasis
  • Ankylurethria (see also Stricture, urethra) 598.9
  • Annular - see also condition
  • Anodontia (complete) (partial) (vera) 520.0
  • Anomaly, anomalous (congenital) (unspecified type) 759.9