- Papilledema 377.00
- Papillitis 377.31
- Papilloma (M8050/0) - see also Neoplasm, by site, benign
- Papillomata, multiple, of yaws 102.1
- Papillomatosis (M8060/0) - see also Neoplasm, by site, benign
- Papillon-Léage and Psaume syndrome (orodigitofacial dysostosis) 759.89
- Papule 709.8
- Papulosis, malignant 447.8
- Papyraceous fetus 779.89
- Para-urethritis 597.89
- Paracephalus 759.7
- Parachute mitral valve 746.5
- Paracoccidioidomycosis 116.1
- Paracoccidiomycosis - see Paracoccidioidomycosis
- Paracusis 388.40
- Paradentosis 523.5
- Paradoxical facial movements 374.43
- Paraffinoma 999.9
- Paraganglioma (M8680/1)
- Parageusia 781.1
- Paragonimiasis 121.2
- Paragranuloma, Hodgkin's (M9660/3) 201.0
