URMC / Encyclopedia / Collection Haemophilus Influenzae Antibody Haptoglobin HCG (Blood) HCG (Urine) HDL Cholesterol Heart Transplantation Procedure Heart Valve Repair or Replacement Surgery Helicobacter Pylori Antibody Helicobacter Pylori Culture Helicobacter Pylori Urea Breath Hematocrit Hemoglobin Hemoglobin (Fetal) Hemoglobin C Hemoglobin S Hepatitis A Antibody Hepatitis B Core Antibody Hepatitis B Surface Antigen Hepatitis C Antibody Hepatitis Panel HER2/neu Herpes Simplex Virus Antibody Herpes Simplex Virus Culture and Typing Hiatal Hernia Repair Hip Replacement Surgery Hip Resurfacing HIV Genotypic Resistance HIV Viral Load HIV-1 Antibody HIV-1/HIV-2 Rapid Screen HLA Antibody HLA Antigen HLA-B27 Antigen Holter Monitor Home Epley Maneuver Homocysteine Hospital Discharge HSV DNA (CSF) Human Papillomavirus (HPV) Hysterectomy Hysteroscopy Repair of Hip Fracture