- Pachyderma, pachydermia, L85.9
- Pachydermatocele (congenital), Q82.8
- Pachydermoperiostosis
- Pachygyria, Q04.3
- Pachymeningitis (adhesive) (basal) (brain) (cervical) (chronic)(circumscribed) (external) (fibrous) (hemorrhagic) (hypertrophic) (internal) (purulent) (spinal) (suppurative)
- Pachyonychia (congenital), Q84.5
- Pacinian tumor
- Pad, knuckle or Garrod\’s, M72.1
- Paget-Schroetter syndrome, I82.890
- Paget\’s disease
- Pain (s), R52
- Painful
- Painter\’s colic
- Palate
- Palatoplegia, K13.79
- Palatoschisis
- Palilalia, R48.8
- Palliative care, Z51.5
- Pallor, R23.1
- Palmar
- Palpable
- Palpitations (heart), R00.2
- Palsy, G83.9
- Paludism
- Panangiitis, M30.0
- Panaris, panaritium
- Panarteritis nodosa, M30.0
- Pancake heart, R93.1
- Pancarditis (acute) (chronic), I51.89
- Pancoast\’s syndrome or tumor, C34.1-
- Pancolitis, ulcerative (chronic), K51.00
- Pancreas, pancreatic
- Pancreatitis (annular) (apoplectic) (calcareous) (edematous) (hemorrhagic) (malignant) (subacute) (suppurative), K85.90
- Pancreatoblastoma
- Pancreolithiasis, K86.89
- Pancytolysis, D75.89
- Pancytopenia (acquired), D61.818
- PANDAS (pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections syndrome), D89.89
- Panencephalitis, subacute, sclerosing, A81.1
- Panhematopenia, D61.9
- Panhemocytopenia, D61.9
- Panhypogonadism, E29.1
- Panhypopituitarism, E23.0
- Panic (attack) (state), F41.0
- Panmyelopathy, familial, constitutional, D61.09
- Panmyelophthisis, D61.82
- Panmyelosis (acute) (with myelofibrosis), C94.4-
- Panner\’s disease
- Panneuritis endemica, E51.11
- Panniculitis (nodular) (nonsuppurative), M79.3
- Panniculus adiposus (abdominal), E65
- Pannus (allergic) (cornea) (degenerativus) (keratic), H16.42-
- Panophthalmitis, H44.01-
- Pansinusitis (chronic) (hyperplastic) (nonpurulent) (purulent), J32.4
- Panuveitis (sympathetic), H44.11-
- Panvalvular disease, I08.9
- PAPA (pyogenic arthritis, pyoderma gangrenosum, and acne syndrome), M04.8
- Papanicolaou smear, cervix, Z12.4
- Papilledema (choked disc), H47.10
- Papillitis, H46.00
- Papilloma
- Papillomata, multiple, of yaws, A66.1
- Papillomatosis
- Papillomavirus, as cause of disease classified elsewhere, B97.7
- Papillon-Léage and Psaume syndrome, Q87.0
- Papule (s), R23.8
- Papulosis
- Papyraceous fetus, O31.0-
- Para-albuminemia, E88.09
- Paracephalus, Q89.7
- Parachute mitral valve, Q23.2
- Paracoccidioidomycosis, B41.9
- Paradentosis, K05.4
- Paraffinoma, T88.8
- Paraganglioma, D44.7
- Parageusia, R43.2
- Paragonimiasis, B66.4
- Paragranuloma, Hodgkin
- Parahemophilia, D68.2
- Parakeratosis, R23.4
- Paralysis, paralytic (complete) (incomplete), G83.9
- Paramedial urethrovesical orifice, Q64.79
- Paramenia, N92.6
- Parametritis, N73.2
- Parametrium, parametric
- Paramnesia
- Paramolar, K00.1
- Paramyloidosis, E85.89
- Paramyoclonus multiplex, G25.3
- Paramyotonia (congenita), G71.19
- Parangi
- Paranoia (querulans), F22
- Paranoid
- Paraparesis
- Paraphasia, R47.02
- Paraphilia, F65.9
- Paraphimosis (congenital), N47.2
- Paraphrenia, paraphrenic (late), F22
- Paraplegia (lower), G82.20
- Parapoxvirus, B08.60
- Paraproteinemia, D89.2
- Parapsoriasis, L41.9
- Parasitic
- Parasitism, B89
- Parasitophobia, F40.218
- Parasomnia, G47.50
- Paraspadias, Q54.9
- Paraspasmus facialis, G51.8
- Parasuicide (attempt)
- Parathyroid gland
- Parathyroid tetany, E20.9
- Paratrachoma, A74.0
- Paratyphilitis
- Paratyphoid (fever)
- Paratyphus
- Paraurethral duct, Q64.79
- Paraurethritis
- Paravaccinia NEC, B08.04
- Paravaginitis
- Parencephalitis
- Parent-child conflict
- Paresis
- Paresthesia, R20.2
- Paretic
- Parinaud\’s
- Parkinsonism (idiopathic) (primary), G20
- Parkinson\’s disease, syndrome or tremor
- Parodontitis
- Parodontosis, K05.4
- Paronychia
- Parorexia (psychogenic), F50.89
- Parosmia, R43.1
- Parotid gland
- Parotitis, parotiditis (allergic)(nonspecific toxic) (purulent) (septic) (suppurative)
- Parrot fever, A70
- Parrot\’s disease (early congenital syphilitic pseudoparalysis), A50.02
- Parry-Romberg syndrome, G51.8
- Parry\’s disease or syndrome, E05.00
- Pars planitis
- Parsonage-Turner syndrome (-Aldren), G54.5
- Parson\’s disease (exophthalmic goiter), E05.00
- Particolored infant, Q82.8
- Parturition
- Parulis, K04.7
- Parvovirus, as cause of disease classified elsewhere, B97.6
- Pasini and Pierini\’s atrophoderma, L90.3
- Passage
- Passive
- Past due on rent or mortgage, Z59.81-
- Pasteurella septica, A28.0
- Pasteurellosis
- PAT (paroxysmal atrial tachycardia), I47.1
- Patau\’s syndrome
- Patches
- Patellar
- Patent
- Paterson syndrome or web (-Brown)(-Kelly), D50.1
- Pathologic, pathological
- Pathology (of)
- Pattern, sleep-wake, irregular, G47.23
- Patulous
- Pause, sinoatrial, I49.5
- Paxton\’s disease, B36.2
- Pearl (s)
- Pearl-worker\’s disease
- Pectenosis, K62.4
- Pectoral
- Pectus
- Pedatrophia, E41
- Pederosis, F65.4
- Pediatric inflammatory multisystem syndrome, M35.81
- Pediculosis (infestation), B85.2
- Pediculus (infestation)
- Pedophilia, F65.4
- Peg-shaped teeth, K00.2
- Pelade
- Pelger-Huët anomaly or syndrome, D72.0
- Peliosis (rheumatica), D69.0
- Pelizaeus-Merzbacher disease, E75.29
- Pellagra (alcoholic) (with polyneuropathy), E52
- Pellagra-cerebellar-ataxia-renal aminoaciduria syndrome, E72.02
- Pellegrini disease or syndrome (-Stieda)
- Pellizzi\’s syndrome, E34.8
- Pelvic
- Pelviolithiasis
- Pelviperitonitis
- Pelvis
- Pel\’s crisis, A52.11
- Pemphigoid, L12.9
- Pemphigus, L10.9
- Pendred\’s syndrome, E07.1
- Pendulous
- Penetrating wound
- Penicillosis, B48.4
- Penis
- Penitis, N48.29
- Pentalogy of Fallot, Q21.8
- Pentasomy X syndrome, Q97.1
- Pentosuria (essential), E74.89
- Percreta placenta, O43.23-
- Peregrinating patient
- Perforation, perforated (nontraumatic) (of)
- Periadenitis mucosa necrotica recurrens, K12.0
- Periappendicitis (acute)
- Periarteritis nodosa (disseminated) (infectious) (necrotizing), M30.0
- Periarthritis (joint)
- Periarthrosis (angioneural)
- Pericapsulitis, adhesive (shoulder)
- Pericarditis (with decompensation) (with effusion), I31.9
- Pericardium, pericardial
- Pericellulitis
- Pericementitis (chronic) (suppurative)
- Perichondritis
- Periclasia, K05.4
- Pericoronitis
- Pericystitis, N30.90
- Peridiverticulitis (intestine), K57.92
- Periendocarditis
- Periepididymitis, N45.1
- Perifolliculitis, L01.02
- Perihepatitis, K65.8
- Perilabyrinthitis (acute)
- Perimeningitis
- Perimetritis
- Perimetrosalpingitis
- Perineocele, N81.81
- Perinephric, perinephritic
- Perinephritis
- Perineum, perineal
- Perineuritis NEC
- Periodic
- Periodontitis (chronic) (complex) (compound) (local) (simplex), K05.30
- Periodontoclasia, K05.4
- Periodontosis (juvenile), K05.4
- Periods
- Perionychia
- Perioophoritis
- Periorchitis, N45.2
- Periosteum, periosteal
- Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic)
- Periostosis (hyperplastic)
- Peripartum
- Periphlebitis
- Periproctitis, K62.89
- Periprostatitis
- Perirectal
- Perirenal
- Perisalpingitis
- Perisplenitis (infectional), D73.89
- Peristalsis, visible or reversed, R19.2
- Peritendinitis
- Peritoneum, peritoneal
- Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion), K65.9
- Peritonsillar
- Peritonsillitis, J36
- Perityphlitis, K37
- Periureteritis, N28.89
- Periurethral
- Periurethritis (gangrenous)
- Periuterine
- Perivaginitis
- Perivasculitis, retinal, H35.06-
- Perivasitis (chronic), N49.1
- Perivesiculitis (seminal)
- Perlèche NEC, K13.0
- Pernicious
- Pernio, perniosis, T69.1
- Perpetrator (of abuse)
- Persecution
- Perseveration (tonic), R48.8
- Persistence, persistent (congenital)
- Person (with)
- Personality (disorder), F60.9
- Perthes\’ disease
- Pertussis, A37.90
- Perversion, perverted
- Pervious, congenital
- Pes (congenital)
- Pest, pestis
- Petechia, petechiae, R23.3
- Petechial typhus, A75.9
- Peter\’s anomaly, Q13.4
- Petit mal seizure
- Petit\’s hernia
- Petrellidosis, B48.2
- Petrositis, H70.20-
- Peutz-Jeghers disease or syndrome, Q85.89
- Peyronie\’s disease, N48.6
- PFAPA (periodic fever, aphthous stomatitis, pharyngitis, and adenopathy syndrome), M04.8
- Pfeiffer\’s disease
- Phagedena (dry) (moist) (sloughing)
- Phagedenic
- Phakoma, H35.89
- Phakomatosis, Q85.9
- Phantom limb syndrome (without pain), G54.7
- Pharyngeal pouch syndrome, D82.1
- Pharyngitis (acute) (catarrhal)(gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pseudomembranous) (simple) (subacute) (suppurative) (ulcerative) (viral), J02.9
- Pharyngoconjunctivitis, viral, B30.2
- Pharyngolaryngitis (acute), J06.0
- Pharyngoplegia, J39.2
- Pharyngotonsillitis, herpesviral, B00.2
- Pharyngotracheitis, chronic, J42
- Pharynx, pharyngeal
- Phencyclidine-induced
- Phenomenon
- Phenylketonuria, E70.1
- Pheochromoblastoma
- Pheochromocytoma
- Pheohyphomycosis
- Pheomycosis
- Phimosis (congenital) (due to infection), N47.1
- Phlebectasia
- Phlebitis (infective) (pyemic) (septic) (suppurative), I80.9
- Phlebofibrosis, I87.8
- Phleboliths, I87.8
- Phlebopathy,
- Phlebosclerosis, I87.8
- Phlebothrombosis
- Phlebotomus fever, A93.1
- Phlegmasia
- Phlegmon
- Phlegmonous
- Phlyctenulosis (allergic) (keratoconjunctivitis) (nontuberculous)
- Phobia, phobic, F40.9
- Phocas\’ disease
- Phocomelia, Q73.1
- Phoria, H50.50
- Phosphate-losing tubular disorder, N25.0
- Phosphatemia, E83.39
- Phosphaturia, E83.39
- Photodermatitis (sun), L56.8
- Photokeratitis, H16.13-
- Photophobia, H53.14-
- Photophthalmia
- Photopsia, H53.19
- Photoretinitis
- Photosensitivity, photosensitization skin (sun), L56.8
- Phrenitis
- Phrynoderma (vitamin A deficiency), E50.8
- Phthiriasis (pubis), B85.3
- Phthirus infestation
- Phthisis
- PHTS, Q85.81
- Phycomycosis
- Physalopteriasis, B81.8
- Physical restraint status, Z78.1
- Phytobezoar, T18.9
- Pian
- Pianoma, A66.1
- Pica, F50.89
- Pick-Niemann disease
- Picking, nose, F98.8
- Pickwickian syndrome, E66.2
- Pick\’s
- Piebaldism, E70.39
- Piedra (beard) (scalp), B36.8
- Pierre Robin deformity or syndrome, Q87.0
- Pierson\’s disease or osteochondrosis, M91.0
- Pig-bel, A05.2
- Pigeon
- Pigmentation (abnormal) (anomaly), L81.9
- Piles, K64.9
- Pili
- Pill roller hand (intrinsic)
- Pilomatrixoma
- Pilonidal
- Pimple, R23.8
- PIMS, M35.81
- PIN
- Pinched nerve
- Pindborg tumor
- Pineal body or gland
- Pinealoblastoma, C75.3
- Pinealoma, D44.5
- Pineoblastoma, C75.3
- Pineocytoma, D44.5
- Pinguecula, H11.15-
- Pingueculitis, H10.81-
- Pinhole meatus, N35.919
- Pink
- Pinkus\’ disease (lichen nitidus), L44.1
- Pinpoint
- Pins and needles, R20.2
- Pinta, A67.9
- Pintids, A67.1
- Pinworm (disease) (infection) (infestation), B80
- Piroplasmosis, B60.00
- Pistol wound
- Pitchers\’ elbow
- Pithecoid pelvis, Q74.2
- Pithiatism, F48.8
- Pitted
- Pitting, R60.9
- Pituitary gland
- Pituitary-snuff-taker\’s disease, J67.8
- Pityriasis (capitis), L21.0
- Placenta, placental
- Placentitis, O41.14-
- Plagiocephaly, Q67.3
- Plague, A20.9
- Planning, family
- Plaque (s)
- Plasmacytoma, C90.3-
- Plasmacytopenia, D72.818
- Plasmacytosis, D72.822
- Plaster ulcer
- Plateau iris syndrome (post-iridectomy) (postprocedural) (without glaucoma), H21.82
- Platybasia, Q75.8
- Platyonychia (congenital), Q84.6
- Platypelloid pelvis, M95.5
- Platyspondylisis, Q76.49
- Plaut disease (-Vincent), A69.1
- Plethora, R23.2
- Pleura, pleural
- Pleuralgia, R07.81
- Pleurisy (acute) (adhesive) (chronic) (costal) (diaphragmatic) (double) (dry) (fibrinous) (fibrous) (interlobar) (latent) (plastic) (primary) (residual) (sicca) (sterile) (subacute) (unresolved), R09.1
- Pleuritis sicca
- Pleuro-pneumonia-like-organism, as cause of disease classified elsewhere (PPLO), B96.0
- Pleurobronchopneumonia
- Pleurodynia, R07.81
- Pleuropericarditis
- Pleuropneumonia (acute) (bilateral) (double) (septic), J18.8
- Pleurorrhea
- Plexitis, brachial, G54.0
- Plica
- Plicated tongue, K14.5
- Plug
- Plumbism
- Plummer-Vinson syndrome, D50.1
- Plummer\’s disease, E05.20
- Pluricarential syndrome of infancy, E40
- Plus (and minus) hand (intrinsic)
- PMEI (polymorphic epilepsy in infancy), G40.83-
- Pneumathemia
- Pneumatic hammer syndrome (drill), T75.21
- Pneumatocele (lung), J98.4
- Pneumatosis
- Pneumaturia, R39.89
- Pneumoblastoma
- Pneumocephalus, G93.89
- Pneumococcemia, A40.3
- Pneumococcus, pneumococcal
- Pneumoconiosis (due to) (inhalation of), J64
- Pneumocystis carinii pneumonia, B59
- Pneumocystis jiroveci (pneumonia), B59
- Pneumocystosis (with pneumonia), B59
- Pneumohemopericardium, I31.2
- Pneumohemothorax, J94.2
- Pneumohydropericardium
- Pneumohydrothorax
- Pneumomediastinum, J98.2
- Pneumomycosis, B49
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), J18.9
- Pneumonic
- Pneumonitis (acute) (primary)
- Pneumonoconiosis
- Pneumoparotid, K11.8
- Pneumopathy NEC, J98.4
- Pneumopericarditis
- Pneumopericardium
- Pneumophagia (psychogenic), F45.8
- Pneumopleurisy, pneumopleuritis, J18.8
- Pneumopyopericardium, I30.1
- Pneumopyothorax
- Pneumorrhagia
- Pneumothorax NOS, J93.9
- Podagra, M10.9
- Podencephalus, Q01.9
- Poikilocytosis, R71.8
- Poikiloderma, L81.6
- Poikilodermatomyositis, M33.10
- Pointed ear (congenital), Q17.3
- Poison ivy, oak, sumac or other plant dermatitis (allergic) (contact), L23.7
- Poisoning (acute)
- Poker spine
- Poland syndrome, Q79.8
- Polioencephalitis (acute) (bulbar), A80.9
- Polioencephalomyelitis (acute) (anterior), A80.9
- Polioencephalopathy, superior hemorrhagic, E51.2
- Poliomeningoencephalitis
- Poliomyelitis (acute) (anterior) (epidemic), A80.9
- Poliosis (eyebrow) (eyelashes), L67.1
- Pollakiuria, R35.0
- Pollinosis, J30.1
- Pollitzer\’s disease, L73.2
- Polyadenitis
- Polyalgia, M79.89
- Polyangiitis, M30.0
- Polyarteritis
- Polyarthralgia
- Polyarthritis, polyarthropathy, M13.0
- Polyarthrosis, M15.9
- Polycarential syndrome of infancy, E40
- Polychondritis (atrophic) (chronic)
- Polycoria, Q13.2
- Polycystic (disease)
- Polycythemia (secondary), D75.1
- Polycytosis cryptogenica, D75.1
- Polydactylism, polydactyly, Q69.9
- Polydipsia, R63.1
- Polydystrophy, pseudo-Hurler, E77.0
- Polyembryoma
- Polyglandular
- Polyhydramnios, O40.-
- Polymastia, Q83.1
- Polymenorrhea, N92.0
- Polymyalgia, M35.3
- Polymyositis (acute) (chronic) (hemorrhagic), M33.20
- Polyneuritis, polyneuritic
- Polyneuropathy (peripheral), G62.9
- Polyopia, H53.8
- Polyorchism, polyorchidism, Q55.21
- Polyosteoarthritis, M15.9-
- Polyostotic fibrous dysplasia, Q78.1
- Polyotia, Q17.0
- Polyp, polypus
- Polyphagia, R63.2
- Polyploidy, Q92.7
- Polypoid
- Polyposis
- Polyradiculitis
- Polyradiculoneuropathy (acute) (postinfective) (segmentally demyelinating), G61.0
- Polyserositis
- Polysplenia syndrome, Q89.09
- Polysyndactyly, Q70.4
- Polytrichia, L68.3
- Polyunguia, Q84.6
- Polyuria, R35.89
- Pompe\’s disease (glycogen storage), E74.02
- Pompholyx, L30.1
- Poncet\’s disease (tuberculous rheumatism), A18.09
- Pond fracture
- Ponos, B55.0
- Pons, pontine
- Poor
- Poradenitis, nostras inguinalis or venerea, A55
- Porencephaly (congenital) (developmental) (true), Q04.6
- Porocephaliasis, B88.8
- Porokeratosis, Q82.8
- Poroma, eccrine
- Porphyria (South African), E80.20
- Porphyrinuria
- Porphyruria
- Port wine nevus, mark, or stain, Q82.5
- Portal
- Posadas-Wernicke disease, B38.9
- Positive
- Post COVID-19 condition, unspecified, U09.9
- Post-dates (40-42 weeks) (pregnancy) (mother), O48.0
- Post-term (40-42 weeks) (pregnancy) (mother), O48.0
- Post-traumatic brain syndrome, nonpsychotic, F07.81
- Post-typhoid abscess, A01.09
- Postcardiotomy syndrome, I97.0
- Postcaval ureter, Q62.62
- Postcholecystectomy syndrome, K91.5
- Postclimacteric bleeding, N95.0
- Postcommissurotomy syndrome, I97.0
- Postconcussional syndrome, F07.81
- Postcontusional syndrome, F07.81
- Postcricoid region
- Postencephalitic syndrome, F07.89
- Posterior
- Posterolateral sclerosis (spinal cord)
- Postexanthematous
- Postfebrile
- Postgastrectomy dumping syndrome, K91.1
- Posthemiplegic chorea
- Posthemorrhagic anemia (chronic), D50.0
- Postherpetic neuralgia (zoster), B02.29
- Posthitis, N47.7
- Postimmunization complication or reaction
- Postinfectious
- Postlaminectomy syndrome NEC, M96.1
- Postleukotomy syndrome, F07.0
- Postmastectomy lymphedema (syndrome), I97.2
- Postmaturity, postmature (over 42 weeks)
- Postmeasles complication NEC, B05.89
- Postmenopausal
- Postnasal drip, R09.82
- Postnatal
- Postoperative (postprocedural)
- Postpancreatectomy hyperglycemia, E89.1
- Postpartum
- Postphlebitic syndrome
- Postpolio syndrome (myelitic), G14
- Postpoliomyelitic
- Postprocedural
- Postschizophrenic depression, F32.89
- Postsurgery status
- Postures, hysterical, F44.2
- Postvaccinal reaction or complication
- Postvalvulotomy syndrome, I97.0
- Potain\’s
- POTS (postural orthostatic tachycardia syndrome), G90.A
- Potter\’s
- Pott\’s
- Pouch
- Pouchitis, K91.850
- Poultrymen\’s itch, B88.0
- Poverty NEC, Z59.6
- Poxvirus NEC, B08.8
- Prader-Willi syndrome, Q87.11
- Prader-Willi-like syndrome, Q87.19
- Pre-eclampsia, O14.9-
- Pre-eruptive color change, teeth, tooth, K00.8
- Pre-excitation atrioventricular conduction, I45.6
- Pre-kwashiorkor
- Pre-syncope, R55
- Preauricular appendage or tag, Q17.0
- Prebetalipoproteinemia (acquired) (essential) (familial) (hereditary) (primary) (secondary), E78.1
- Precipitate labor or delivery, O62.3
- Preclimacteric bleeding (menorrhagia), N92.4
- Precocious
- Precocity, sexual (constitutional) (cryptogenic) (female) (idiopathic) (male), E30.1
- Precordial pain, R07.2
- Predeciduous teeth, K00.2
- Prediabetes, prediabetic, R73.03
- Predislocation status of hip at birth, Q65.6
- Preglaucoma, H40.00-
- Pregnancy (single) (uterine), Z33.1
- Preiser\’s disease
- Preleukemia (syndrome), D46.9
- Preluxation, hip, congenital, Q65.6
- Premature
- Prematurity NEC (less than 37 completed weeks)
- Premenstrual
- Premolarization, cuspids, K00.2
- Prenatal
- Preparatory care for subsequent treatment NEC
- Prepartum
- Preponderance, left or right ventricular, I51.7
- Prepuce
- PRES (posterior reversible encephalopathy syndrome), I67.83
- Presbycardia, R54
- Presbycusis, presbyacusia, H91.1-
- Presbyesophagus, K22.89
- Presbyophrenia, F03
- Presbyopia, H52.4
- Prescription of contraceptives (initial), Z30.019
- Presence (of)
- Presenile
- Presentation, fetal
- Prespondylolisthesis (congenital), Q76.2
- Pressure
- Preterm
- Previa
- Priapism, N48.30
- Prickling sensation (skin), R20.2
- Prickly heat, L74.0
- Primary
- Primigravida
- Primipara
- Primus varus, Q66.21-
- PRIND (Prolonged reversible ischemic neurologic deficit), I63.9
- Pringle\’s disease (tuberous sclerosis), Q85.1
- Prinzmetal angina, I20.1
- Prizefighter ear
- Problem (with) (related to)
- Procedure (surgical)
- Procidentia (uteri), N81.3
- Proctalgia, K62.89
- Proctitis, K62.89
- Proctocele
- Proctocolitis
- Proctoptosis, K62.3
- Proctorrhagia, K62.5
- Proctosigmoiditis, K63.89
- Proctospasm, K59.4
- Profichet\’s disease
- Progeria, E34.8
- Prognathism (mandibular) (maxillary), M26.19
- Progonoma (melanotic)
- Progressive
- Prolactinoma
- Prolapse, prolapsed
- Prolapsus, female, N81.9
- Proliferation (s)
- Proliferative
- Prolonged, prolongation (of)
- Prominence, prominent
- Promiscuity
- Pronation
- Prophylactic
- Propionic acidemia, E71.121
- Proptosis (ocular)
- Prosecution, anxiety concerning, Z65.3
- Prosopagnosia, R48.3
- Prostadynia, N42.81
- Prostate, prostatic
- Prostatism
- Prostatitis (congestive) (suppurative) (with cystitis), N41.9
- Prostatocystitis, N41.3
- Prostatorrhea, N42.89
- Prostatosis, N42.82
- Prostration, R53.83
- Protanomaly (anomalous trichromat), H53.54
- Protanopia (complete) (incomplete), H53.54
- Protection (against) (from)
- Protein
- Proteinemia, R77.9
- Proteinosis
- Proteinuria, R80.9
- Proteolysis, pathologic, D65
- Proteus, as cause of disease classified elsewhere (mirabilis) (morganii), B96.4
- Prothrombin gene mutation, D68.52
- Protoporphyria, erythropoietic, E80.0
- Protozoal
- Protrusion, protrusio
- Prune belly (syndrome), Q79.4
- Prurigo (ferox) (gravis) (Hebrae) (Hebra\’s) (mitis) (simplex), L28.2
- Pruritus, pruritic (essential), L29.9
- Pseudarthrosis, pseudoarthrosis (bone)
- Pseudo-Cushing\’s syndrome, alcohol-induced, E24.4
- Pseudo-Hurler\’s polydystrophy, E77.0
- Pseudo-obstruction intestine (acute) (chronic) (idiopathic) (intermittent secondary) (primary), K59.89
- Pseudoaneurysm
- Pseudoangina (pectoris)
- Pseudoangioma, I81
- Pseudoarteriosus, Q28.8
- Pseudoarthrosis
- Pseudobulbar affect (PBA), F48.2
- Pseudochromhidrosis, L67.8
- Pseudocirrhosis, liver, pericardial, I31.1
- Pseudocowpox, B08.03
- Pseudocoxalgia, M91.3-
- Pseudocroup, J38.5
- Pseudocyesis, F45.8
- Pseudocyst
- Pseudoelephantiasis neuroarthritica, Q82.0
- Pseudoexfoliation, capsule (lens)
- Pseudofolliculitis barbae, L73.1
- Pseudoglioma, H44.89
- Pseudohemophilia (Bernuth\’s) (hereditary) (type B)
- Pseudohermaphroditism, Q56.3
- Pseudohydrocephalus, G93.2
- Pseudohypertrophic muscular dystrophy (Erb\’s), G71.02
- Pseudohypertrophy, muscle, G71.09
- Pseudohypoparathyroidism, E20.1
- Pseudoinsomnia, F51.03
- Pseudoleukemia, infantile, D64.89
- Pseudomembranous
- Pseudomeningocele (cerebral) (infective) (post-traumatic), G96.198
- Pseudomenses (newborn), P54.6
- Pseudomenstruation (newborn), P54.6
- Pseudomonas
- Pseudomyotonia, G71.19
- Pseudomyxoma peritonei, C78.6
- Pseudoneuritis, optic, congenital (nerve) (disc) (papilla), Q14.2
- Pseudopapilledema, H47.33-
- Pseudoparalysis
- Pseudopelade, L66.0
- Pseudophakia, Z96.1
- Pseudopolyarthritis, rhizomelic, M35.3
- Pseudopolycythemia, D75.1
- Pseudopseudohypoparathyroidism, E20.1
- Pseudopterygium, H11.81-
- Pseudoptosis (eyelid)
- Pseudopuberty, precocious
- Pseudorickets (renal), N25.0
- Pseudorubella, B08.20
- Pseudosclerema, newborn, P83.88
- Pseudosclerosis (brain)
- Pseudotetanus
- Pseudotetany, R29.0
- Pseudotruncus arteriosus, Q25.49
- Pseudotuberculosis, A28.2
- Pseudotumor, G93.2
- Pseudoxanthoma elasticum, Q82.8
- Psilosis (sprue) (tropical), K90.1
- Psittacosis, A70
- Psoitis, M60.88
- Psoriasis, L40.9
- Psychasthenia, F48.8
- Psychiatric disorder or problem, F99
- Psychogenic
- Psychological and behavioral factors affecting medical condition, F59
- Psychoneurosis, psychoneurotic
- Psychopathy, psychopathic
- Psychosexual identity disorder of childhood, F64.2
- Psychosis, psychotic, F29
- Psychosomatic
- Psychosyndrome, organic, F07.9
- Psychotic episode due to or associated with physical condition, F06.8
- Pterygium (eye), H11.00-
- Ptilosis (eyelid)
- Ptomaine (poisoning)
- Ptosis
- PTP, D69.51
- Ptyalism (periodic), K11.7
- Ptyalolithiasis, K11.5
- Pubarche, precocious, E30.1
- Pubertas praecox, E30.1
- Puberty (development state), Z00.3
- Puckering, macula
- Pudenda, pudendum
- Puente\’s disease (simple glandular cheilitis), K13.0
- Puerperal, puerperium (complicated by, complications)
- Puerperium
- Pulmolithiasis, J98.4
- Pulmonary
- Pulpitis (acute) (anachoretic) (chronic) (hyperplastic) (putrescent) (suppurative) (ulcerative), K04.01
- Pulpless tooth, K04.99
- Pulse
- Pulsus alternans or trigeminus, R00.8
- Punch drunk, F07.81
- Punctum lacrimale occlusion
- Puncture
- PUO (pyrexia of unknown origin), R50.9
- Pupillary membrane (persistent), Q13.89
- Pupillotonia
- Purpura, D69.2
- Purpuric spots, R23.3
- Purulent
- Pus
- Pustular rash, L08.0
- Pustule (nonmalignant), L08.9
- Pustulosis palmaris et plantaris, L40.3
- Putnam disease or syndrome (-Dana)
- Putrescent pulp (dental), K04.1
- Pyarthritis, pyarthrosis
- Pyelectasis
- Pyelitis (congenital) (uremic)
- Pyelocystitis
- Pyelonephritis
- Pyelonephrosis (obstructive), N11.1
- Pyelophlebitis, I80.8
- Pyeloureteritis cystica, N28.85
- Pyemia, pyemic (fever) (infection) (purulent)
- Pygopagus, Q89.4
- Pyknoepilepsy (idiopathic)
- Pyknolepsy, G40.A09
- Pylephlebitis, K75.1
- Pylethrombophlebitis, K75.1
- Pylethrombosis, K75.1
- Pyle\’s syndrome, Q78.5
- Pyloritis, K29.90
- Pylorospasm NEC (reflex), K31.3
- Pylorus, pyloric
- Pyo-oophoritis
- Pyo-ovarium
- Pyoarthrosis
- Pyocele
- Pyocolpos
- Pyocystitis, N30.80
- Pyoderma, pyodermia, L08.0
- Pyodermatitis, L08.0
- Pyogenic
- Pyohydronephrosis, N13.6
- Pyometra, pyometrium, pyometritis
- Pyomyositis (tropical)
- Pyonephritis, N12
- Pyonephrosis, N13.6
- Pyopericarditis, pyopericardium, I30.1
- Pyophlebitis
- Pyopneumopericardium, I30.1
- Pyopneumothorax (infective), J86.9
- Pyosalpinx, pyosalpingitis
- Pyothorax, J86.9
- Pyoureter, N28.89
- Pyramidopallidonigral syndrome, G20
- Pyrexia (of unknown origin), R50.9
- Pyroglobulinemia NEC, E88.09
- Pyromania, F63.1
- Pyrosis, R12
- Pyuria (bacterial) (sterile), R82.81