- Faber\’s syndrome (achlorhydric anemia), D50.9
- Fabry disease (-Anderson), E75.21
- Facet syndrome, M47.89-
- Faciocephalalgia, autonomic, G90.09
- Factor (s)
- Fahr disease (of brain), G23.8
- Fahr Volhard disease (of kidney), I12.-
- Failure, failed
- Fainting (fit), R55
- Fallen arches
- Falling, falls (repeated), R29.6
- Fallopian
- Fallot\’s
- False
- Family, familial
- Famine (effects of), T73.0
- Fanconi syndrome (-de Toni)(-Debré), E72.09
- Fanconi\’s anemia (congenital pancytopenia), D61.09
- Farber\’s disease or syndrome, E75.29
- Farcy, A24.0
- Farmer\’s
- Farsightedness
- Fascia
- Fasciculation, R25.3
- Fasciitis, M72.9
- Fascioliasis, B66.3
- Fasciolopsis, fasciolopsiasis (intestinal), B66.5
- Fascioscapulohumeral myopathy, G71.02
- Fast pulse, R00.0
- Fat
- Fatigue, R53.83
- Fatness
- Fatty
- Fauces
- Fauchard\’s disease (periodontitis)
- Faucitis, J02.9
- Favism (anemia), D55.0
- Favus
- Fazio-Londe disease or syndrome, G12.1
- Følling\’s disease, E70.0
- Fear complex or reaction, F40.9
- Fear of
- Feared complaint unfounded, Z71.1
- Febris, febrile
- Fecal
- Fecalith (impaction), K56.41
- Fede\’s disease, K14.0
- Feeble rapid pulse due to shock following injury, T79.4
- Feeble-minded, F70
- Feeding
- Feeling (of)
- Feer\’s disease
- Feet
- Feigned illness, Z76.5
- Feil-Klippel syndrome (brevicollis), Q76.1
- Feinmesser\’s ectodermal dysplasia (hidrotic), Q82.4
- Felinophobia, F40.218
- Felon
- Felty\’s syndrome, M05.00
- Female genital cutting status
- Female genital mutilation status (FGM), N90.810
- Femur, femoral
- Fenestration, fenestrated
- Fernell\’s disease (aortic aneurysm), I71.9
- Fertile eunuch syndrome, E23.0
- Fetid
- Fetishism, F65.0
- Fetus, fetal
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor), R50.9
- Fibrillation
- Fibrin
- Fibrinogenolysis
- Fibrinogenopenia, D68.8
- Fibrinolysis (hemorrhagic) (acquired), D65
- Fibrinopenia (hereditary), D68.2
- Fibrinopurulent
- Fibrinous
- Fibro-odontoma, ameloblastic
- Fibro-osteoma
- Fibroadenoma
- Fibroadenosis, breast (chronic) (cystic) (diffuse) (periodic) (segmental), N60.2-
- Fibroangioma
- Fibrochondrosarcoma
- Fibrocystic
- Fibrodysplasia ossificans progressiva
- Fibroelastosis (cordis) (endocardial) (endomyocardial), I42.4
- Fibroid (tumor)
- Fibrolipoma
- Fibroliposarcoma
- Fibroma
- Fibromatosis, M72.9
- Fibromyalgia, M79.7
- Fibromyoma
- Fibromyositis, M79.7
- Fibromyxolipoma, D17.9
- Fibromyxoma
- Fibromyxosarcoma
- Fibroplasia, retrolental, H35.17-
- Fibropurulent
- Fibrosarcoma
- Fibrosclerosis
- Fibrosis, fibrotic
- Fibrositis (periarticular), M79.7
- Fibrothorax, J94.1
- Fibrotic
- Fibrous
- Fibroxanthoma
- Fibroxanthosarcoma
- Fiedler\’s
- Fifth disease, B08.3
- Filaria, filarial, filariasis
- Filatov\’s disease
- File-cutter\’s disease
- Filling defect
- Fimbrial cyst, Q50.4
- Financial problem affecting care NOS, Z59.9
- Findings, abnormal, inconclusive, without diagnosis
- Finger
- Fire, Saint Anthony\’s
- Fire-setting
- Fish hook stomach, K31.89
- Fishmeal-worker\’s lung, J67.8
- Fissure, fissured
- Fistula (cutaneous), L98.8
- Fit, R56.9
- Fitting (and adjustment) (of)
- Fitzhugh-Curtis syndrome
- Fitz\’s syndrome (acute hemorrhagic pancreatitis), K85.80
- Fixation
- Flabby ridge, K06.8
- Flaccid
- Flail
- Flajani\’s disease
- Flap, liver, K71.3
- Flashbacks (residual to hallucinogen use), F16.283
- Flat
- Flatau-Schilder disease, G37.0
- Flatback syndrome, M40.30
- Flattening
- Flatulence, R14.3
- Flatus, R14.3
- Flax-dresser\’s disease, J66.1
- Flea bite
- Flecks, glaucomatous (subcapsular)
- Fleischer (-Kayser) ring (cornea), H18.04-
- Fleshy mole, O02.0
- Flexibilitas cerea
- Flexion
- Flexner-Boyd dysentery, A03.2
- Flexner\’s dysentery, A03.1
- Flexure
- Flint murmur (aortic insufficiency), I35.1
- Floater, vitreous
- Floating
- Flooding, N92.0
- Floor
- Floppy
- Flu
- Fluctuating blood pressure, I99.8
- Fluid
- Flukes NEC
- Fluor (vaginalis), N89.8
- Fluorosis
- Flush syndrome, E34.0
- Flushing, R23.2
- Flutter
- FNHTR (febrile nonhemolytic transfusion reaction), R50.84
- Fochier\’s abscess – code by site under Abscess
- Focus, Assmann\’s
- Fogo selvagem, L10.3
- Foix-Alajouanine syndrome, G95.19
- Fold, folds (anomalous)
- Folie à deux, F24
- Follicle
- Follicular
- Folliculitis (superficial), L73.9
- Folliculome lipidique
- Follow-up
- Fong\’s syndrome (hereditary osteo-onychodysplasia), Q87.2
- Food
- Foot
- Foramen ovale (nonclosure) (patent) (persistent), Q21.12
- Forbes\’ glycogen storage disease, E74.03
- Fordyce-Fox disease, L75.2
- Fordyce\’s disease (mouth), Q38.6
- Forearm
- Foreclosure on loan, Z59.89
- Foreign body
- Forestier\’s disease (rhizomelic pseudopolyarthritis), M35.3
- Formation
- Formication, R20.2
- Fort Bragg fever, A27.89
- Fossa
- Foster-Kennedy syndrome, H47.14-
- Fothergill\’s
- Foul breath, R19.6
- Foundling, Z76.1
- Fournier disease or gangrene, N49.3
- Fourth
- Foville\’s disease or syndrome (peduncular), G46.3
- Fox (-Fordyce) disease (apocrine miliaria), L75.2
- FPIES (food protein-induced enterocolitis syndrome), K52.21
- Fracture, burst
- Fracture, chronic
- Fracture, insufficiency
- Fracture, nontraumatic, NEC
- Fracture, pathological (pathologic)
- Fracture, traumatic (abduction) (adduction) (separation), T14.8
- Fragile, fragility
- Fragilitas
- Fragments, cataract, following cataract surgery (lens), H59.02-
- Frailty (frail), R54
- Frambesia, frambesial (tropica)
- Frambeside
- Frambesioma, A66.1
- Franceschetti-Klein disease or syndrome (-Wildervanck), Q75.4
- Francis\’ disease
- Franklin disease, C88.2
- Frank\’s essential thrombocytopenia, D69.3
- Fraser\’s syndrome, Q87.0
- Fröhlich\’s syndrome, E23.6
- Freckle (s), L81.2
- Frederickson\’s hyperlipoproteinemia, type
- Freeman Sheldon syndrome, Q87.0
- Freezing, T69.9
- Freiberg\’s disease (infraction of metatarsal head or osteochondrosis)
- Frei\’s disease, A55
- Fremitus, friction, cardiac, R01.2
- Frenum, frenulum
- Frequency micturition (nocturnal), R35.0
- Frey\’s syndrome
- Friction
- Friderichsen-Waterhouse syndrome or disease, A39.1
- Friedländer\’s B NEC (bacillus), A49.8
- Friedreich\’s
- Frigidity, F52.22
- Frontal
- Frostbite (superficial), T33.90
- Frotteurism, F65.81
- Frozen, T69.9
- Fructokinase deficiency, E74.11
- Fructose 1,6 diphosphatase deficiency, E74.19
- Fructosemia (benign) (essential), E74.12
- Fructosuria (benign) (essential), E74.11
- Fuchs\’
- Fucosidosis, E77.1
- Fugue, R68.89
- Fulminant, fulminating
- Functional
- Functioning, intellectual, borderline, R41.83
- Fundus
- Fungemia NOS, B49
- Fungus, fungous
- Funiculitis (acute) (chronic) (endemic), N49.1
- Funnel
- FUO (fever of unknown origin), R50.9
- Furfur, L21.0
- Furrier\’s lung, J67.8
- Furrowed, K14.5
- Furuncle, L02.92
- Furunculosis
- Fused
- Fusion, fused (congenital)
- Fusospirillosis (mouth) (tongue) (tonsil), A69.1
- Fussy baby, R68.12