- Haantan virus
- Haemophilus influenzae
- Hairy cell leukemia
- Haloperidol
- Ham Test for Paroxysmal Nocturnal Hemoglobinuria
- Hand and wrist, venipuncture of
- Hansel staining and evaluation
- Hansen disease, angiotensin converting enzyme (ACE) levels in
- Haptoglobin
- Hartnup disease
- Hashimoto thyroiditis
- HE4
- Headache, visual field test for
- Head injury
- Health management
- Hearing
- Hearing loss
- Heart
- Heart blocks, electrocardiogram in diagnosis of
- Heartburn, gastroesophageal reflux disease (GERD) scan in
- Heart defects
- Heart failure
- Heavy metal poisoning
- Heinz bodies
- Helicobacter Pylori Testing
- HELLP syndrome of pregnancy
- Hemangiomas, liver and spleen scan for
- Hemarthrosis, arthroscopy assessment of
- Hematological diseases
- Hematoma
- Hematopoiesis, haptoglobin levels in
- Hemochromatosis
- Hemoconcentration
- Hemodialysis
- Hemoglobin A1c
- Hemoglobin A 1c
- Hemoglobin and hematocrit
- Hemoglobin Electrophoresis and Abnormal Hemoglobins
- Hemoglobinopathies
- Hemolysis, RBC
- Hemolytic anemia
- Hemolytic disease of the newborn (HDN)
- β-hemolytic streptococci
- Hemophilia
- Hemorrhage
- Hemorrhagic disease of the newborn, vitamin studies in
- Hemorrhagic pericarditis, pericardial fluid analysis in
- Hemosiderin
- Hemosiderosis, ferritin levels in
- Heparin
- Heparin resistance, antithrombin III levels in
- Hepatectomy, antithrombin III levels in
- Hepatic cancer, alanine aminotransferase levels in
- Hepatic cirrhosis
- Hepatic coma
- Hepatic disease
- Hepatic insufficiency, total and free testosterone levels in
- Hepatic jaundice, bilirubin and bilirubin fractions in
- Hepatic obstruction
- Hepatitis
- Hepatitis Testing
- Hepatobiliary Scan
- Hepatobiliary tract disorders, γ-glutamyltranspeptidase levels in
- Hepatocellular disorders
- Hepatoma
- HER-2-Neu gene
- Hereditary deficiency, complement, total, C3, and C4 levels in
- Hereditary fructose intolerance
- Hereditary hypophosphatemia, leukocyte alkaline phosphatase levels in
- Hereditary persistence of fetal hemoglobulin
- Hereditary telangiectasia, bleeding time in
- Hereditary tyrosinemia, delta-aminolevulinic acid levels in
- Hernia
- Herniated disk disease, electroneurography of
- Heroin drug screen
- Herpes simplex virus (HSV)
- Heterophorias, intraocular muscle function in
- Heterotropias, intraocular muscle function in
- Hexosaminidase A and B
- Hiatal hernia
- High altitudes
- Hirschsprung disease, barium enema in diagnosis of
- Hirsutism
- Histoplasma capsulatum, antifungal antibody levels in
- Histoplasmosis
- HIV testing
- Hodgkin disease
- Holter Monitor
- Homocysteine and Methylmalonic Acid
- Homocystinuria
- Homovanillic Acid and Vanillylmandelic Acid
- Homozygous alleles
- Hookworm infection
- Hordeolum, slit-lamp biomicroscopy of
- 24-hr urine collections
- Human Chorionic Gonadotropin
- Human chorionic gonadotropin (HCG)
- Human epidermal growth factor receptor 2 (HER-2/neu oncoprotein)
- Human Genome Project
- Human immunodeficiency virus syndrome (HIV)
- Human Immunodeficiency Virus Testing
- Human Leukocyte Antigen B27
- Human papillomavirus (HPV)
- Human prion disease
- Human T-Lymphotropic Virus Testing
- Humphrey VF examination
- Huntington chorea, amino acid screen, blood and urine, for
- Huntington disease, positron emission tomography in diagnosis of
- Hyaline membrane disease
- Hydatidiform mole
- Hydrazine exposure, vitamin studies in
- Hydrocephalus
- Hydrogen breath test
- Hydronephrosis, kidney, ureter, and bladder study in diagnosis of
- β-hydroxybutyrate
- 5-Hydroxyindoleacetic Acid
- Hyercalcemia, osmolality test for
- Hyperaldosteronism disorders
- Hyperalimentation
- Hypercalcemia
- Hypercalciuria, urine oxalate levels in
- Hypercapnia, blood gases in
- Hypercoagulation, D-dimer levels in
- Hypercortisolism, bone turnover markers in
- Hypereosinophilic syndrome, eosinophil count in
- Hyperglycemia
- Hyperinfusion of albumin
- Hyperinsulinism, blood phosphorus levels in
- Hyperlipidemias
- Hyperlipoproteinemia
- Hypernatremia
- Hyperoxaluria, urine oxalate levels in
- Hyperparathyroidism
- Hyperphophatemia
- Hyperphosphatemia
- Hyperpituitarism, growth hormone levels in
- Hyperprolactinemia
- Hyperpyrexia, semen analysis and
- Hyperreflexia, cystometry of
- Hypersensitivity Pneumonitis Serology
- Hypersensitivity reactions, bone marrow biopsy and
- Hypersplenism
- Hypertension
- Hyperthermia
- Hyperthyroidism
- Hypertriglyceridemia, total and fractions cholesterol levels in
- Hypertrophic cardiomyopathy, echocardiography of
- Hyperventilation
- Hypervitaminosis D, alkaline phosphatase (ALP) levels in
- Hypervolemia, antidiuretic hormone (ADH) levels in
- Hyper-α-lipoproteinemia, total and fractions cholesterol levels in
- Hypoalbuminemia, total and ionized blood calcium in
- Hypoaldosteronism
- Hypocalcemia
- Hypocalciuric hypercalcemia, urine calcium levels in
- Hypochloremic states, blood gases in
- Hypochromic anemias
- Hypofibrinogemia
- Hypoglycemia
- Hypogonadism
- Hypokalemia
- Hypomagnesemia
- Hyponatremia
- Hypoparathyroidism
- Hypophosphatasia, alkaline phosphatase (ALP) levels in
- Hypopituitarism
- Hypoproteinemia
- Hypoprothrombinemia, vitamin studies in
- Hypothalamic disorders
- Hypothermia, creatine kinase (CK) and isoenzymes levels in
- Hypothyroidism
- Hypoventilation
- Hypovolemia
- Hypoxemia, alveolar/arterial gradient and arterial/alveolar oxygen ratio in
- Hypoxia
- Hypoxic shock, creatine kinase (CK) and isoenzymes levels in
- Hysteria, blood gases in
- Hysterosalpingography
- Hysteroscopy
Davis's Lab & Diagnostic Tests