- Petrositis 383.20
- Peutz-Jeghers disease or syndrome 759.6
- Peyronie's disease 607.85
- Pfeiffer's disease 075
- Phacentocele 379.32
- Phacoanaphylaxis 360.19
- Phacocele (old) 379.32
- Phaehyphomycosis 117.8
- Phagedena (dry) (moist) (see also Gangrene) 785.4
- Phagedenic - see also condition
- Phagomania 307.52
- Phakoma 362.89
- Phantom limb (syndrome) 353.6
- Pharyngeal - see also condition
- Pharyngitis (acute) (catarrhal) (gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (simple) (staphylococcal) (subacute) (suppurative) (ulcerative) (viral) 462
- Pharyngoconjunctival fever 077.2
- Pharyngoconjunctivitis, viral 077.2
- Pharyngolaryngitis (acute) 465.0
- Pharyngoplegia 478.29
- Pharyngotonsillitis 465.8
- Pharyngotracheitis (acute) 465.8
- Pharynx, pharyngeal - see condition
