Browse Medical Abbreviations

h hour; height
H Hydrogen (element); heroin; history; hypodermic
H flu hemophilus influenzae
H&E hematoxylin and eosin
H&H hematocrit and hemoglobin
H&L heart and lungs
H&N head and neck
H&P history and physical
H+ hydrogen ion
h. hour
h.s. bedtime
h/a headache
H/H Henderson-Hasselbalch equation; hemoglobin/hematocrit
h/o history of
H1N1 Influenza A, swine flu (hemagglutinin type 1 and neuraminidase type 1)
H2 histamine 2
H2O water
H2O2 hydrogen peroxide
H2SO2 sulfuric acid
HA hydroxyapatite; hemagglutinin; health authority; hyaluronic acid; hearing aid; headache
HAA hepatitis-associated antigen
HAART highly active antiretroviral therapy
HAD hospital anxiety and depression [scale]
HAGG heat-aggregated IgG
HAIR-AN hyperandrogenism (HA), insulin resistance (IR) and acanthosis nigricans (AN)
HAL hyperalimentation
HAM-D Hamilton Rating Scale for Depression
HAMRSA healthcare associated with MRSA
HAPE high-altitude pulmonary edema
HAQ health assessment questionnaire
HAV hepatitis A vaccine; hepatitis A virus
HAZMAT hazardous materials
HAZOP hazard and operability
HB heart block
Hb hemoglobin
Hb A1c glycosylated hemoglobin
HB SA hepatitis B surface antigen
HbA Hemoglobin A
HbA1c hemoglobin A1c
HBAg hepatitis B antigen
HbAS Hemoglobin A and Hemoglobin S (Sickle cell trait)
HbB Hemoglobin B
HbC Hemoglobin C; abnormal hemoglobin
HBcAg Hepatitis B core antigen
HBD hydroxybutyric dehydrogenase
HBeAg Hepatitis B e antigen
HbF Hemoglobin F
HBGM home blood glucose monitoring
HBIG hepatitis B immune globulin
HBO hyperbaric oxygenation
HBOT hyperbaric oxygen therapy
HBP high blood pressure
HBPM home blood pressure monitoring
HbS Hemoglobin S
HBS hepatobiliary scintigraphy
HBsAg hepatitis B surface antigen
HBV hepatitis B vaccine; hepatitis B virus
HC hydrocortisone; home care; head circumference
HCA health care assistant
HCAP healthcare associated pneumonia
HCG human chorionic gonadotropin
HCI human-computer interaction
HCl hydrochloric acid (hydrogen chloride)
HCL hard contact lens
HCM hypertrophic cardiomyopathy
HCMV human cytomegalovirus
HCO health care organization
HCO3 bicarbonate
HCP health care provider/professional
HCQ hydroxychloroquine
HCST hematopoietic stem cell transplant
Hct hematocrit
HCTZ hydrochlorothiazide
HCV hepatitis C virus
HCVD hypertensive cardiovascular disease
HCW health care worker
HCY homocystinuria
Hcy homocysteine
HD Huntington's disease; Hodgkin's disease; herniated disk; hemodialysis; hearing distance; health department
HDC high dose chemotherapy
HDCV human diploid cell rabies vaccine
HDI high-definition imaging
HDL high density lipoprotein (cholesterol)
HDLC high density lipoprotein cholesterol
HDN hemolytic disease of the newborn
HDP hydroxymethylene diphosphonate
HDRS Hamilton Depression Rating Scale
HDS hemodynamically stable; herniated disk syndrome
HDT home dialysis training
HDU high dependency unit; Hemodialysis Unit
HDV hepatitis delta virus
He Helium (element)
HE home evaluation
HEENT head, eye, ear, nose, and throat
HELLP hemolysis, elevated liver enzymes, low platelets
Hem hemoglobin
HEMO hematology
HemOnc hematology/oncology
Hep hepatoma cell line
HEP home exercise program
HepA hepatitis A
HEPA high-efficiency particulate air (filtration)
HepB hepatitis B
HER2 human epidermal growth factor receptor 2
HEV Hepatitis E virus
HEW Department of Health, Education, and Welfare
Hf Hafnium (element)
HF heart failure; high frequency
HFA hydrofluoroalkane
HFCS high-fructose corn syrup
Hg hemoglobin; Mercury (element)
HGA human granulocytic anaplasmosis
Hgb hemoglobin
HgbA1c glycosylated hemoglobin
HGE human granulocytic ehrlichiosis
HGF hematopoietic factor; hepatocyte growth factor; human growth factor
HGH human growth hormone
HGSIL high-grade squamous intraepithelial lesion
HGV hepatitis g virus
HH hiatal hernia
HHA home health aide; home health agency
HHC home health care
HHE health hazard evaluation
HHI Herth Hope Index
HHNC hypertonic hyperosmolar non-ketotic coma
HHRG home health resource group
HHS U.S. Department of Health and Human Services
HHV-6 human herpesvirus 6
HI hepatic insufficiency; hemagglutination inhibitor; hearing impaired; health insurance; homicidal ideation
HIA health impact assessment
Hib Haemophilus influenzae type B
HID Health Information Design; herniated intervertebral disc
HIDA hepatobiliary iminodiacetic acid (cholescintigraphy)
HIM health information management; hepatosplenomegaly
HIPAA Health Insurance Portability and Accountability Act
his-tRNA histidyl-transfer RNA
HIT health information technology; heparin-induced thrombocytopenia
HIV human immunodeficiency virus
HIV-PEP HIV postexposure prophylaxis
HIV-RNA viral load of HIV
HJR hepato jugular reflux
HL heparin lock; hearing loss; hearing level; Hodgkin lymphoma
HL7 Health Level 7
HLA human leukocyte antigen; human lymphocyte antigen
HM hand movement
HMD hyaline membrane disease
HMG-CoA hydroxymethyl glutaryl coenzyme A
HMO health maintenance organization
HNP herniated nucleus pulposus
HNPCC hereditary non-polyposis colorectal cancer
hnRNA heterogeneous nuclear RNA
hnRNP heterogeneous nuclear RNP
HNV has not voided
Ho Holmium (element)
HOA hypertrophic osteoarthropathy
HOB head of bed
HOH hard of hearing
hor. som bedtime
HOSA health occupations students of
hosp hospital
HP hot pack
HPA hypothalamic-pituitary axis; health protection agency
HPB hepatopancreatobiliary
HPC history of presenting complaint; human/hematopoietic progenitor cells
HPF high-powered field
HPI history of present illness
HPL human placental lactogen
HPLC high-performance liquid chromatography
HPN hypertension
HPS hypertrophic pyloric stenosis
HPV human papilloma virus
hr hour
HR heart rate
HRA health risk assessment
hrs hours
HRSA Health Resources and Services Administration (U.S.)
HRT hormone replacement therapy
hs at bedtime (hora somni)
HS herpes simplex; heart sounds; hidradenitis suppurativa
HSA health services administration; human serum albumin
HSCT hematopoietic stem cell transplantation
HSDD hypoactive sexual desire disorder
HSG hysterosalpingogram; herpes simplex, genitalis
HSIL high-grade squamous intraepithelial lesion
HSM hepatosplenomegaly
HSP heat shock protein; Henoch-Schonlein purpura
HSS hyperosmolar hyperglycemic state; hepatic stimulator substance
HSV hypersensitivity vasculitis; herpes simplex virus
HSV-1 herpes simplex virus type 1
HSV-2 herpes simplex virus type 2
HT hypertension; hormone therapy
ht height
HTLV human T-cell lymphotropic virus
HTLV-III human t lymphotropic virus type iii
HTN hypertension
HUD humanitarian use device
HUS hemolytic uremic syndrome
husb. husband
HV home visit/visitor
Hx history
Hy hyperopia
hyg hygiene
hypo hypodermic injection
hyst hysterectomy
Hz hertz (cycles per second)
HZV herpes zoster virus