• Pyelonephrosis (see also Pyelitis) 590.80
  • Pyelophlebitis 451.89
  • Pyemia, pyemic (purulent) (see also Septicemia) 038.9
  • Pygopagus 759.4
  • Pykno-epilepsy, pyknolepsy (idiopathic) (see also Epilepsy) 345.0
  • Pyle (-Cohn) disease (craniometaphyseal dysplasia) 756.89
  • Pylephlebitis (suppurative) 572.1
  • Pylethrombophlebitis 572.1
  • Pylethrombosis 572.1
  • Pyloritis (see also Gastritis) 535.5
  • Pylorospasm (reflex) 537.81
  • Pylorus, pyloric - see condition
  • Pyo-oophoritis (see also Salpingo-oophoritis) 614.2
  • Pyo-ovarium (see also Salpingo-oophoritis) 614.2
  • Pyoarthrosis - see Pyarthrosis
  • Pyocele
  • Pyococcal dermatitis 686.00
  • Pyococcide, skin 686.00
  • Pyocolpos (see also Vaginitis) 616.10
  • Pyocyaneus dermatitis 686.09
  • Pyocystitis (see also Cystitis) 595.9
  • Pyoderma, pyodermia 686.00