- Pneumothorax 512.89
- Pocket(s)
- Podagra 274.01
- Podencephalus 759.89
- Poikilocytosis 790.09
- Poikiloderma 709.09
- Poikilodermatomyositis 710.3
- Pointed ear 744.29
- Poise imperfect 729.90
- Poison ivy, oak, sumac or other plant dermatitis 692.6
- Poisoned - see Poisoning
- Poisoning (acute) - see also Table of Drugs and Chemicals
- Poker spine 720.0
- Policeman's disease 729.2
- Polioencephalitis (acute) (bulbar) (see also Poliomyelitis, bulbar) 045.0
- Polioencephalomyelitis (acute) (anterior) (bulbar) (see also Polioencephalitis) 045.0
- Polioencephalopathy, superior hemorrhagic 265.1
- Poliomeningoencephalitis - see Meningoencephalitis
- Poliomyelitis (acute) (anterior) (epidemic) 045.9
- Poliosis (eyebrow) (eyelashes) 704.3
- Pollakiuria 788.41
- Pollinosis 477.0
