• Swimmers'
  • Swimming in the head 780.4
  • Swollen - see also Swelling
  • Swyer's syndrome (XY pure gonadal dysgenesis) 752.7
  • Swyer-James syndrome (unilateral hyperlucent lung) 492.8
  • Sycosis 704.8
  • Sydenham's chorea - see Chorea, Sydenham's
  • Sylvatic yellow fever 060.0
  • Sylvest's disease (epidemic pleurodynia) 074.1
  • Symblepharon 372.63
  • Symonds' syndrome 348.2
  • Sympathetic - see condition
  • Sympatheticotonia (see also Neuropathy, peripheral, autonomic) 337.9
  • Sympathicoblastoma (M9500/3)
  • Sympathicogonioma (M9500/3) - see Sympathicoblastoma
  • Sympathoblastoma (M9500/3) - see Sympathicoblastoma
  • Sympathogonioma (M9500/3) - see Sympathicoblastoma
  • Symphalangy (see also Syndactylism) 755.10
  • Symptoms, specified (general) NEC 780.99
  • Sympus 759.89
  • Synarthrosis 719.80
  • Syncephalus 759.4