Ferritin Factor VII, Activity Fanconi Anemia, Group C (FANCC) 2 Mutations Fetal Fibronectin Factor VIII Activity with Reflex to Bethesda Quantitative, Factor VIII Fat, Body Fluid Fetal Hemoglobin Determination for Fetomaternal Hemorrhage Factor VIII, Activity Fat, Fecal Qualitative Fetal Hemoglobin, APT Test Factor X, Activity Fat, Fecal Quantitative 24-Hour Collection (Includes Homogenization) Fetal Screen Fluoride Quantitative, Urine Free Estradiol by ED/LC-MS/MS Fluoroquinolone-Resistant Organism, Culture Freeman-Sheldon Syndrome (MYH3) Sequencing Exon 17 Fluoxetine and Metabolite Friend Leukemia Integration-1 (Fli-1) by Immunohistochemistry Fluphenazine