• Conical
  • Conjoined twins 759.4
  • Conjugal maladjustment V61.10
  • Conjunctiva - see condition
  • Conjunctivitis (exposure) (infectious) (nondiphtheritic) (pneumococcal) (pustular) (staphylococcal) (streptococcal) NEC 372.30
  • Conjunctivochalasis 372.81
  • Conjunctoblepharitis - see Conjunctivitis
  • Conn (-Louis) syndrome (primary aldosteronism) 255.12
  • Connective tissue - see condition
  • Conradi (-Hünermann) syndrome or disease (chondrodysplasia calcificans congenita) 756.59
  • Consanguinity V19.7
  • Consecutive - see condition
  • Consolidated lung (base) - see Pneumonia, lobar
  • Constipation 564.00
  • Constitutional - see also condition
  • Constitutionally substandard 301.6
  • Constriction
  • Constrictive - see condition
  • Consultation V65.9
  • Consumption - see Tuberculosis
  • Contact
  • Contamination, food (see also Poisoning, food) 005.9