• Psychalgia 307.80
  • Psychasthenia 300.89
  • Psychiatric disorder or problem NEC 300.9
  • Psychogenic - see also condition
  • Psychoneurosis, psychoneurotic (see also Neurosis) 300.9
  • Psychopathic - see also condition
  • Psychopathy, sexual (see also Deviation, sexual) 302.9
  • Psychophysiologic, psychophysiological condition - see Reaction, psychophysiologic
  • Psychose passionelle 297.8
  • Psychosexual identity disorder 302.6
  • Psychosis 298.9
  • Psychotic (see also condition) 298.9
  • Pterygium (eye) 372.40
  • Ptilosis 374.55
  • PTLD (post-transplant lymphoproliferative disorder) 238.77
  • Ptomaine (poisoning) (see also Poisoning, food) 005.9
  • Ptosis (adiposa) 374.30
  • PTSD (Post-Traumatic Stress Disorder) 309.81
  • Ptyalism 527.7
  • Ptyalolithiasis 527.5
  • Pubalgia 848.8
  • Pubarche, precocious 259.1