ICD-10-CM
- Podencephalus
- Poikilocytosis
- Pointed ear (congenital)
- Poison ivy, oak, sumac or other plant dermatitis (allergic) (contact)
- Poland syndrome
- Pollinosis
- Pollitzer's disease
- Polyalgia
- Polycarential syndrome of infancy
- Polycoria
- Polycytosis cryptogenica
- Polydipsia
- Polydystrophy, pseudo-Hurler
- Polyhydramnios
- Polymastia
- Polymenorrhea
- Polyopia
- Polyorchism, polyorchidism
- Polyostotic fibrous dysplasia
- Polyotia
- Polyphagia
- Polyploidy
- Polyradiculoneuropathy (acute) (postinfective) (segmentally demyelinating)
- Polysplenia syndrome
- Polytrichia
- Polyunguia
- Pompe's disease (glycogen storage)
- Pompholyx
- Poncet's disease (tuberculous rheumatism)
- Ponos
- Poradenitis, nostras inguinalis or venerea
- Porocephaliasis
- Porokeratosis
- Port wine nevus, mark, or stain
- Posadas-Wernicke disease
- Postcardiotomy syndrome
- Postcaval ureter
- Postcholecystectomy syndrome
- Postclimacteric bleeding
- Postcommissurotomy syndrome
- Postconcussional syndrome
- Postcontusional syndrome
- Post COVID-19 condition, unspecified
- Postencephalitic syndrome
- Postgastrectomy dumping syndrome
- Posthitis
- Postlaminectomy syndrome NEC
- Postleukotomy syndrome
- Postmastectomy lymphedema (syndrome)
- Postpancreatectomy hyperglycemia
- Postpolio (myelitic) syndrome
- Postschizophrenic depression
- Post-traumatic brain syndrome, nonpsychotic
- Post-typhoid abscess
- Postures, hysterical
- Postvalvulotomy syndrome
- POTS (postural orthostatic tachycardia syndrome)
- Pouchitis
- Poultrymen's itch
- Poxvirus NEC