• Pelger-Huët anomaly or syndrome (hereditary hyposegmentation) 288.2
  • Peliosis (rheumatica) 287.0
  • Pelizaeus-Merzbacher
  • Pellagra (alcoholic or with alcoholism) 265.2
  • Pellagra-cerebellar-ataxia-renal aminoaciduria syndrome 270.0
  • Pellegrini (-Stieda) disease or syndrome (calcification, knee joint) 726.62
  • Pellegrini's disease (calcification, knee joint) 726.62
  • Pellizzi's syndrome (pineal) 259.8
  • Pelvic - see also condition
  • Pelvioectasis 591
  • Pelviolithiasis 592.0
  • Pelviperitonitis
  • Pelvis, pelvic - see also condition or type
  • Pemphigoid 694.5
  • Pemphigus 694.4
  • Pendred's syndrome (familial goiter with deaf-mutism) 243
  • Pendulous
  • Penetrating wound - see also Wound, open, by site
  • Penetration, pregnant uterus by instrument
  • Penfield's syndrome (see also Epilepsy) 345.5
  • Penicilliosis of lung 117.3
  • Penis - see condition