| 
   | 
  Pericoronitis (chronic)  523.40 | 
   | 
  Pericystitis (see also Cystitis)  595.9 | 
  Pericytoma (M9150/1) - see also Neoplasm, connective tissue, uncertain behavior  | 
   | 
  Peridacryocystitis, acute  375.32 | 
  Peridiverticulitis (see also Diverticulitis)  562.11 | 
   | 
  Periendocarditis (see also Endocarditis)  424.90 | 
   | 
  Periepididymitis (see also Epididymitis)  604.90 | 
  Perifolliculitis (abscedens)  704.8 | 
   | 
  Perigastritis (acute)  535.0 | 
  Perigastrojejunitis (acute)  535.0 | 
  Perihepatitis (acute)  573.3 | 
   | 
  Peri-ileitis (subacute)  569.89 | 
  Perilabyrinthitis (acute) - see Labyrinthitis  | 
  Perimeningitis - see Meningitis  | 
  Perimetritis (see also Endometritis)  615.9 | 
  Perimetrosalpingitis (see also Salpingo-oophoritis)  614.2 | 
   | 
  Perinephric - see condition  | 
  Perinephritic - see condition  | 
  Perinephritis (see also Infection, kidney)  590.9 | 
   | 
  Perineum, perineal - see condition  | 
   | 
  Periodic - see also condition  | 
   | 
  Periodontal  | 
   | 
  Periodontitis (chronic) (complex) (compound) (simplex)  523.40 | 
   | 
   | 
   | 
  Periods - see also Menstruation  | 
   | 
  Perionychia (with lymphangitis)  681.9 | 
   | 
  Perioophoritis (see also Salpingo-oophoritis)  614.2 | 
  Periorchitis (see also Orchitis)  604.90 | 
  Periosteum, periosteal - see condition  | 
  Periostitis (circumscribed) (diffuse) (infective)  730.3 | 
   | 
  Periostosis (see also Periostitis)  730.3 | 
   | 
  Peripartum cardiomyopathy  674.5 | 
  Periphlebitis (see also Phlebitis)  451.9 | 
   | 
  Peripneumonia - see Pneumonia  | 
   | 
  Periprostatitis (see also Prostatitis)  601.9 | 
  Perirectal - see condition  | 
  Perirenal - see condition  | 
  Perisalpingitis (see also Salpingo-oophoritis)  614.2 | 
   | 
  Perisplenitis (infectional)  289.59 | 
  Perispondylitis - see Spondylitis  | 
  Peristalsis reversed or visible  787.4 | 
  Peritendinitis (see also Tenosynovitis)  726.90 | 
   | 
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