H. pylori
HACE [high altitude cerebral edema]
HAI [high altitude Illness]
Hair loss
Hairy cell leukemia
Hairy tongue
Halitosis
Hand-foot-and-mouth disease
Hansen disease
Hantavirus infection
HAP [hospital-acquired pneumonia]
HAPE [high altitude pulmonary edema]
Harelip
HAV [hepatitis A virus]
Hay fever
HBV [hepatitis B virus]
HCAP [healthcare-associated pneumonia]
HCC [hepatocellular carcinoma]
HCM [hypertrophic cardiomyopathy]
HCV [hepatitis C virus]
Head and neck cancer
Head trauma
Headache, acute, adult (evaluation of)
Headache, acute, pediatric (evaluation of)
Headache, chronic
Health maintenance for adults
Heart attack
Heart block
Heart failure with preserved ejection fraction
Heartburn
Heat stroke
Helicobacter pylori
HELLP syndrome
Helminth infection
Helminth infection, Ascariasis
Hemangioma
Hemlock ingestion
Hemochromatosis
Hemoglobin SC disease
Hemolytic anemia
Hemolytic disease of the newborn
Hemolytic uremic syndrome
Hemophilia
Hemorrhagic stroke
Hemorrhoids
Henoch-Schonlein purpura
Heparin-induced thrombocytopenia
Hepatic abscess
Hepatic cirrhosis
Hepatic disease, alcoholic
Hepatic dysfunction (evaluation of)
Hepatic encephalopathy
Hepatic failure, acute
Hepatic steatosis
Hepatic vein thrombosis
Hepatitis A
Hepatitis B
Hepatitis C
Hepatoma
Hepatorenal syndrome
Hereditary nephritis
Hereditary spherocytosis
Hernia, hiatal
Hernia, inguinal
Heroin addiction
Herpes simplex virus infection
Herpes zoster infection
Herpes zoster ophthalmicus
HF [heart failure], acute
HF [heart failure], chronic
HF [heart failure], diastolic
HHS [hyperosmolar hyperglycemic state]
HHV-6 [human herpesvirus type 6]
Hiatal hernia
Hiccups
Hidradenitis suppurativa
High altitude-related illness
Hip fractures
Hip pain
Hip pain, transient synovitis
Hirschsprung disease
Histiocytosis X
Histoplasma meningitis
Histoplasmosis
Histrionic personality disorder
HIT
HIV infection
HIV infection in pregnancy
HIV-related opportunistic infections
Hives
Hives (evaluation of)
HMSN [hereditary motor and sensory neuropathy]
HOCM [hypertrophic obstructive cardiomyopathy]
Hodgkin lymphoma
Holly/ evergreen ingestion
HONC [hyperosmolar nonketotic coma]
Hookworm
Hordeolum
Horton giant cell arteritis
Hospice care
Hospital-acquired pneumonia
HPV [human papilloma virus], common wart
HPV [human papilloma virus], genital
HSP [Henoch-Schonlein purpura]
HSV infection [herpes simplex virus infection]
HTN
Human herpesvirus-4 infection
Human immunodeficiency virus infection
Human papillomavirus, genital
Humeral, radial, ulnar, femoral, tibial, fibular fractures
Humerus, radius, ulna, femur, tibia, fibula fractures
Hunter disease
Huntington disease
Hurthle cell carcinoma
HUS [hemolytic uremic syndrome]
Hydatid cyst
Hydatidiform mole
Hydrocele
Hydrocephalus, normal pressure
Hydrophobia
Hyperaldosteronism
Hyperbilirubinemia, Dubin-Johnson syndrome
Hyperbilirubinemia, Gilbert syndrome
Hyperbilirubinemia, Rotor syndrome
Hypercalcemia of malignancy
Hypercapnea (evaluation of)
Hypercholesterolemia
Hypercoagulable state
Hyperemesis gravidarum
Hyperglycemia, diabetic ketoacidosis
Hyperglycemia, non-ketotic hyperosmolar
Hyperhidrosis
Hyperlipidemia
Hypermobility syndrome
Hypernatremia
Hyperosmolar hyperglycemic state
Hyperprolactinemia, Prolactinoma
Hypersensitivity pneumonitis
Hypertension, renovascular
Hypertensive emergencies
Hyperthermia, heat stroke
Hyperthyroidism
Hypertrichosis (evaluation of)
Hypertriglyceridemia
Hypertrophic cardiomyopathy
Hypertrophic pyloric stenosis
Hyperuricemia
Hypoadrenalism
Hypochlorhydria
Hypochondriasis
Hypogammaglobulinemia
Hypogonadism in females
Hypogonadism in males
Hypomagnesemia
Hypomania
Hyponatremia
Hypoparathyroidism
Hypopituitarism
Hypothalamic hypothyroidism
Hypothermia
Hypoventilation syndromes
Hypovitaminosis D
Hypovolemic shock
HZV [herpes zoster virus]