List of medical abbreviations: FAbbreviationMeaningFxfractureFAFanconi anemiaFAMMM syndromefamilial atypical multiple mole melanoma syndromeFANAfluorescent antinuclear antibody testFAPfamilial adenomatous polyposisFASTfocused assessment with sonography for traumaFBforeign bodyFBCFamily Birth CenterFBCfull blood countFBEfull blood examFBGfasting blood glucoseFBSFailed back syndromeFBSfasting blood sugarF/Cfevers and/or chillsF/C/Sfevers and/or chills and/or sweatingFCSFaciocutaneoskeletal syndromeFDCfollicular dendritic cellsFDCfixed dose combinationFDGfluordeoxyglucoseFDIUfetal demise in uteroFDPfibrin degradation productFDPFlexor digitorum profundusFDSFlexor digitorum superficialisFeironFEF25–75forced expiratory flow at 25–75% of forced vital capacityfemfemalefemfemoralFENFluids, Electrolytes, NutritionFEPfree erythrocyte protoporphyrinFEPfibroepithelial polypFESSfunctional endoscopic sinus surgeryFETfrozen embryo transferFEV1forced expiratory volume in 1 secondFFfree fluids FFAfree fatty acidsFFPfresh frozen plasmaFGRfetal growth restrictionFHRfetal heart rateFHSfetal heart soundFHTfetal heart tonesFHxfamily history FIBDfound in bed deadFISHfluorescence in situ hybridizationFLfemur lengthFLAIRfluid attenuated inversion recoveryFLKfunny-looking kid fl.oz.fluid ounce FMfetal movementFMFfetal movements feltFMPfirst menstrual period FMPPFamilial male precocious pubertyfMRIfunctional magnetic resonance imagingFMS Fibromyalgia SyndromeF→Nfinger-to-nose test FNAfine-needle aspirationFNABfine-needle aspiration biopsyFNACfine-needle aspiration cytologyFNCfull nursing careFNDFunctional neurologic disorderFNHfocal nodular hyperplasiaFOBFoot of Bed, father of baby, Fiberoptic BronchoscopyFOBTfecal occult blood testFOFfound on floor FOPFibrousdysplasia ossificans progressivaFOSfull of stoolFOOSHfall on outstretched handFPFamily PlanningFPGfasting plasma glucoseFRDAFriedreich's ataxiaFROMfull range of motionFSBSfinger-stick blood sugar FSEfetal scalp electrodeFSGSfocal segmental glomerulosclerosisFSHfollicle-stimulating hormoneFSIQfull scale intelligence quotient FTAfluorescent treponemal antibody FTA-ABSfluorescent treponemal antibody absorption FtMFemale to Male transgender person (Trans Man)FTTfailure to thriveF/Ufollow-upFUEFollicular Unit ExtractionFUTFollicular Unit TransplantationFUOfever of unknown originFVCforced vital capacity FWBfull weight bearingFWBfetal wellbeingFWDfull ward dietFWDforwardFxfractureFxfractionfxnfunction