| 
  Oxyuris vermicularis (infestation)  127.4 | 
   | 
   | 
  Pachyderma, pachydermia  701.8 | 
   | 
   | 
  Pachydermatocele (congenital)  757.39 | 
   | 
   | 
  Pachydermoperiostitis  | 
   | 
  Pachydermoperiostosis  | 
   | 
  Pachymeningitis (adhesive) (basal) (brain) (cerebral) (cervical) (chronic) (circumscribed) (external) (fibrous) (hemorrhagic) (hypertrophic) (internal) (purulent) (spinal) (suppurative) (see also Meningitis)  322.9 | 
   | 
  Pachyonychia (congenital)  757.5 | 
   | 
  Pachyperiosteodermia  | 
   | 
  Pachyperiostosis  | 
   | 
  Pacinian tumor (M9507/0) - see Neoplasm, skin, benign  | 
  Pads, knuckle or Garrod's  728.79 | 
  Paget's disease (osteitis deformans)  731.0 | 
   | 
  Paget-Schroetter syndrome (intermittent venous claudication)  453.8 | 
  Pain(s) (see also Painful)  780.96 | 
   | 
  Painful - see also Pain  | 
   | 
   | 
   | 
  Palate - see condition  | 
   | 
  Palatoschisis (see also Cleft, palate)  749.00 | 
   | 
  Palindromic arthritis (see also Rheumatism, palindromic)  719.3 | 
   | 
   | 
   | 
  Palmar - see also condition  | 
   | 
  Palpable  | 
   | 
  Palpitation (heart)  785.1 | 
   | 
  Palsy (see also Paralysis)  344.9 | 
   | 
  Paltauf-Sternberg disease  201.9 | 
  Paludism - see Malaria  | 
   | 
  Panaris (with lymphangitis)  681.9 | 
   | 
  Panaritium (with lymphangitis)  681.9 | 
   | 
  Panarteritis (nodosa)  446.0 | 
   | 
   | 
   | 
  Pancarditis (acute) (chronic)  429.89 | 
   | 
  Pancoast's syndrome or tumor (carcinoma, pulmonary apex) (M8010/3)  162.3 | 
  Pancoast-Tobias syndrome (M8010/3) (carcinoma, pulmonary apex)  162.3 | 
   | 
  Pancreas, pancreatic - see condition  | 
   | 
   | 
   | 
   | 
  Pancytopenia (acquired)  284.1 | 
   | 
  Panencephalitis - see also Encephalitis  | 
   | 
   | 
   | 
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