Fetal Screen Factor XI, Activity Fat, Fecal Quantitative 48-Hour Collection (Includes Homogenization) FG Syndrome, FGS1 (MED12) R961W Mutation Factor XII, Activity Fat, Fecal Quantitative 72-Hour Collection (Includes Homogenization) Fibrillarin (U3 RNP) Antibody, IgG Factor XIII (F13A1) V34L Variant Fat, Fecal Quantitative, Homogenized Aliquot Fibrin/Fibrinogen Degradation Split Products, Plasma Factor XIII Activity Fat, Urine Qualitative Fibrinogen Fluvoxamine Quantitative, Serum or Plasma Fructose, Semen Folate, RBC Fungal (Mold/Yeast) Identification Fibroblast Growth Factor 23 (FGF23), Plasma Folate, Serum Fungal Antibodies by CF, CSF
