- Pseudothalassemia 285.0
- Pseudotrichinosis 710.3
- Pseudotruncus arteriosus 747.29
- Pseudotuberculosis, pasteurella (infection) 027.2
- Pseudotumor
- Pseudoxanthoma elasticum 757.39
- Psilosis (sprue) (tropical) 579.1
- Psittacosis 073.9
- Psoitis 728.89
- Psora NEC 696.1
- Psoriasis 696.1
- Psorospermiasis 136.4
- Psorospermosis 136.4
- 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
