• Perirenal - see condition
  • Perisalpingitis (see also Salpingo-oophoritis) 614.2
  • Perisigmoiditis 569.89
  • Perisplenitis (infectional) 289.59
  • Perispondylitis - see Spondylitis
  • Peristalsis reversed or visible 787.4
  • Peritendinitis (see also Tenosynovitis) 726.90
  • Perithelioma (M9150/1) - see Pericytoma
  • Peritoneum, peritoneal - see also condition
  • Peritonitis (acute) (adhesive) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) 567.9
  • Peritonsillar - see condition
  • Peritonsillitis 475
  • Perityphlitis (see also Appendicitis) 541
  • Periureteritis 593.89
  • Periurethral - see condition
  • Periurethritis (gangrenous) 597.89
  • Periuterine - see condition
  • Perivaginitis (see also Vaginitis) 616.10
  • Perivasculitis, retinal 362.18
  • Perivasitis (chronic) 608.4
  • Periventricular leukomalacia 779.7
  • Perivesiculitis (seminal) (see also Vesiculitis) 608.0