ICD-10-CM
- Saccharomyces infection
- Saccharopinuria
- Sachs' amaurotic familial idiocy or disease
- Sachs-Tay disease
- Sacks-Libman disease
- Sacralgia
- Sacralization
- Sacrodynia
- Sacroiliitis NEC
- Sadism (sexual)
- Sadness, postpartal
- Sadomasochism
- Sahib disease
- Sailors' skin
- Salivation, excessive
- Salmonellosis
- Salpingocele
- Sampson's cyst or tumor
- Sandblaster's asthma, lung or pneumoconiosis
- Sander's disease (paranoia)
- Sandfly fever
- Sandhoff's disease
- Sanfilippo (Type B) (Type C) (Type D) syndrome
- Sanger-Brown ataxia
- San Joaquin (Valley) fever
- Sao Paulo fever or typhus
- Saponification, mesenteric
- Sarcocystosis
- Sarcoepiplomphalocele
- Sarcopenia (age-related)
- Sarcosinemia
- Sarcosporidiosis (intestinal)
- Satiety, early
- Satyriasis
- SBE (subacute bacterial endocarditis)
- Scabies (any site)
- Scabs
- Scaglietti-Dagnini syndrome
- Scalenus anticus (anterior) syndrome
- Scales
- Scaling, skin
- Scapegoating affecting child
- Scaphocephaly, non-deformational
- Scapulalgia
- Scapulohumeral myopathy
- Scarabiasis
- Scarlet fever (albuminuria) (angina)
- Schamberg's disease (progressive pigmentary dermatosis)
- Schaufenster krankheit
- Scheie's syndrome
- Schenck's disease
- Schilder (-Flatau) disease
- Schilling-type monocytic leukemia
- Schizencephaly
- Schizoaffective psychosis
- Schizodontia
- Schizoid personality
- Schizothymia (persistent)
- Schlatter-Osgood disease or osteochondrosis
- Schmidt's syndrome (polyglandular, autoimmune)
- Schmitz (-Stutzer) dysentery
- Scholte's syndrome (malignant carcinoid)
- Scholz (-Bielchowsky-Henneberg) disease or syndrome
- Schönlein (-Henoch) disease or purpura (primary) (rheumatic)
- Schottmuller's disease
- Schroeder's syndrome (endocrine hypertensive)
- Schüller-Christian disease or syndrome
- Schultze's type acroparesthesia, simple
- Schwalbe-Ziehen-Oppenheim disease
- Schwannomatosis
- Schwartz (-Jampel) syndrome
- Schwartz-Bartter syndrome
- Schweninger-Buzzi anetoderma
- Scimitar syndrome
- Sclerectasia
- Sclerochoroiditis
- Sclerocystic ovary syndrome
- Sclerodactyly, sclerodactylia
- Scleromalacia (perforans)
- Scleroma nasi
- Scleromyxedema
- Sclérose en plaques
- Score, NIHSS (National Institutes of Health Stroke Scale)
- Scratchy throat
- Scrofula, scrofulosis (tuberculosis of cervical lymph glands)
- Scrofulide (primary) (tuberculous)
- Scrofuloderma, scrofulodermia (any site) (primary)
- Scrofulosus lichen (primary) (tuberculous)
- Scrotal tongue
- Sealpox
- Seasickness
- Seatworm (infection) (infestation)
- Seckel's syndrome
- SEID (systemic exertion intolerance disease)
- Seitelberger's syndrome (infantile neuraxonal dystrophy)
- Selenium deficiency, dietary
- Self-damaging behavior (life-style)
- Semicoma
- Seminal vesiculitis
- Senear-Usher disease or syndrome
- Senectus
- Senescence (without mention of psychosis)
- Sensibility disturbance (cortical) (deep) (vibratory)
- Sensitiver Beziehungswahn
- Sensitization, auto-erythrocytic
- Sequoiosis lung or pneumonitis
- Sesamoiditis
- Sézary disease
- Shadow, lung
- Shaver's disease
- Sheathing, retinal vessels
- Sheehan's disease or syndrome
- Shelf, rectal
- Shell teeth
- Shield kidney
- Shifting sleep-work schedule (affecting sleep)
- Shiga's bacillus
- Shiga (-Kruse) dysentery
- Shin splints
- Shipyard disease or eye
- Shoemaker's chest
- Shoshin (acute fulminating beriberi)
- Shovel-shaped incisors
- Shutdown, renal
- Shy-Drager syndrome
- Sialectasia
- Sialidosis
- Sialoadenopathy
- Sialodocholithiasis
- Sialolithiasis
- Sialometaplasia, necrotizing
- Sialosis
- Siamese twin
- Sibling rivalry
- Sicard's syndrome
- Sick-euthyroid syndrome
- Siderosilicosis
- Siemens' syndrome (ectodermal dysplasia)
- Silfversköld's syndrome
- Silicosiderosis
- Silicotuberculosis
- Silver's syndrome
- Simian malaria
- Simmonds' cachexia or disease
- Simons' disease or syndrome (progressive lipodystrophy)
- Simulation, conscious (of illness)
- Simultanagnosia (asimultagnosia)
- Singapore hemorrhagic fever
- Singer's node or nodule
- Sin Nombre virus disease (Hantavirus) (cardio)-pulmonary syndrome
- Sinusitis-bronchiectasis-situs inversus (syndrome) (triad)
- Sipple's syndrome
- Sirenomelia (syndrome)
- Siriasis
- Sirkari's disease
- Siti
- Situation, psychiatric
- Situs inversus or transversus (abdominalis) (thoracis)
- Sjögren-Larsson syndrome
- Skerljevo
- Slate-dressers' or slate-miners' lung
- Sleep-wake schedule disorder
- Slim disease (in HIV infection)
- Slocumb's syndrome
- Slowing, urinary stream
- Sluder's neuralgia (syndrome)
- Slurred, slurring speech
- Smallpox
- Smearing, fecal
- SMEI (severe myoclonic epilepsy in infancy)
- Smith's fracture
- Smith-Lemli-Opitz syndrome
- Smothering spells
- Snaggle teeth, tooth
- Sneddon-Wilkinson disease or syndrome (sub-corneal pustular dermatosis)
- Sneezing (intractable)
- Snoring
- Sodoku
- Sonne dysentery
- Soor
- Soto's syndrome (cerebral gigantism)
- South African cardiomyopathy syndrome
- Southeast Asian hemorrhagic fever
- Spade-like hand (congenital)
- Spanish collar
- Sparganosis
- Spasmus nutans
- Speaker's throat
- Spencer's disease
- Spens' syndrome (syncope with heart block)
- Spermatocystitis
- Spermatorrhea
- Sphenopalatine ganglion neuralgia
- Sphericity, increased, lens (congenital)
- Spherophakia
- Sphingomyelinosis
- Spicule tooth
- Spielmeyer-Vogt disease
- Spirillosis
- Spirometrosis
- Splanchnoptosis
- Splenocele
- Splenopathy
- Splenoptosis
- Splenosis
- Sprengel's deformity (congenital)
- Spurway's syndrome
- Squeeze, diver's
- SSADHD (succinic semialdehyde dehydrogenase deficiency)
- St. Hubert's disease
- Stafne's cyst or cavity
- Stannosis
- Staphylitis (acute) (catarrhal) (chronic) (gangrenous) (membranous) (suppurative) (ulcerative)
- Staphylococcal scalded skin syndrome
- Staphylococcemia
- Steatocystoma multiplex
- Steele-Richardson-Olszewski disease or syndrome
- Stein's syndrome
- Steinbrocker's syndrome
- Steinert's disease
- Stein-Leventhal syndrome
- Stenocardia
- Stenocephaly
- Stent jail
- Stereotypies NEC
- Sternopagus
- Sternum bifidum
- Stewart-Morel syndrome
- Sticker's disease
- Stiff-man syndrome
- Stigmata congenital syphilis
- Stillbirth
- Stimulation, ovary
- Stippled epiphyses
- Stokes-Adams disease or syndrome
- Stokvis (-Talma) disease
- Stomatocytosis
- Stomatomycosis
- Stomatorrhagia
- Stonecutter's lung
- Stonemason's asthma, disease, lung or pneumoconiosis
- Straining, on urination
- Strangury
- Straw itch
- Streptobacillary fever
- Streptobacillosis
- Streptobacillus moniliformis
- Streptomycosis
- Streptotrichosis
- Striae albicantes, atrophicae or distensae (cutis)
- Stromatosis, endometrial
- Strophulus pruriginosus
- Strumipriva cachexia
- Strümpell-Westphal pseudosclerosis
- Stuart deficiency disease (factor X)
- Stuart-Prower factor deficiency (factor X)
- Stunting, nutritional
- Sturge (-Weber) (-Dimitri) (-Kalischer) disease or syndrome
- Suberosis
- Subhemophilia
- Subluxatable hip
- Submersion (fatal) (nonfatal)
- Subseptus uterus
- Subsiding appendicitis
- Substitution disorder
- Succenturiate placenta
- Sucking thumb, child (excessive)
- Sudamen, sudamina
- Sudanese kala-azar
- Sudden infant death syndrome (SIDS)
- Sulfhemoglobinemia, sulphemoglobinemia (acquired) (with methemoglobinemia)
- Sumatran mite fever
- Sundowning
- Superinvolution (uterus)
- Supplemental teeth
- Supraeruption of tooth (teeth)
- Surfer's knots or nodules
- Sutton's nevus
- Sweating, excessive
- Sweeley-Klionsky disease
- Sweet's disease or dermatosis
- Swimming in the head
- Swyer syndrome
- Sylvatic yellow fever
- Sylvest's disease
- Symond's syndrome
- Sympatheticotonia
- Symphalangy (fingers) (toes)
- Sympus
- Syncephalus
- Synchysis (scintillans) (senile) (vitreous body)
- Synesthesia
- Syngamiasis, syngamosis
- Synodontia
- Synorchidism, synorchism
- Syphilophobia
- Syringobulbia
- Syringomyelia
- Syringopontia
- Systemic exertion intolerance disease [SEID]