Browse Medical Abbreviations

h hour
H Hydrogen (element); hypodermic
H flu hemophilus influenzae
H&H hematocrit and hemoglobin
H&N head and neck
H&P history and physical
H+ hydrogen ion
h. hour
h.s. bedtime
h/a headache
H/H hemoglobin/hematocrit; Henderson-Hasselbalch equation
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 headache; health authority; hearing aid; hyaluronic acid
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
HAQ health assessment questionnaire
HAV hepatitis a virus; hepatitis a vaccine
HAZMAT hazardous materials
HAZOP hazard and operability
HB heart block
Hb hemoglobin
Hb A1c glycosylated hemoglobin
HbA Hemoglobin A
HbA1c hemoglobin A1c
HBAg hepatitis b antigen
HbAS Hemoglobin A and Hemoglobin S (Sickle cell trait)
HbB Hemoglobin B
HbC a variant/abnormal hemoglobin; Hemoglobin C
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
HBP high blood pressure
HbS Hemoglobin S
HBsAg hepatitis b surface antigen
HBV hepatitis b vaccine; hepatitis b virus
HC home care; hydrocortisone
HCA health care assistant
HCAP healthcare associated pneumonia
HCG human chorionic gonadotropin
HCI human-computer interaction
HCL hard contact lens
HCl hydrochloric acid
HCM hypertrophic cardiomyopathy
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 homocysteine
HCY homocystinuria
HD Huntington's disease; Hodgkin's disease; hearing distance; health department
HDC high dose chemotherapy
HDCV human diploid cell rabies vaccine
HDL high density lipoprotein (cholesterol)
HDP hydroxymethylene diphosphonate
HDRS Hamilton Depression Rating Scale
HDT home dialysis training
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 high-efficiency particulate air (filtration)
HepA hepatitis A
HepB hepatitis b
HER2 human EGF (epidermal growth factor) receptor 2
HEV Hepatitis E virus
HF high frequency; heart failure
Hf Hafnium (element)
HFA hydrofluoroalkane
HFCS high-fructose corn syrup
Hg hemoglobin; Mercury (element)
Hgb hemoglobin
HgbA1c glycosylated hemoglobin
HGF hematopoietic factor
HGH human growth hormone
HGSIL high-grade squamous intraepithelial lesion
HGV hepatitis g virus
HH hiatal hernia
HHA home health aide
HHC home health care
HHE health hazard evaluation
HHI Herth Hope Index
HHRG home health resource group
HHS U.S. Department of Health and Human Services
HHV-6 human herpesvirus 6
HI homicidal ideation; hemagglutination inhibitor
HIA health impact assessment
Hib Haemophilus influenzae type B
HID herniated intervertebral disc
HIDA hepatobiliary iminodiacetic acid (cholescintigraphy)
HIM hepatosplenomegaly; health information management
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 hearing loss; heparin lock
HL7 Health Level 7
HLA human lymphocyte antigen; human leukocyte antigen
HM hand movement
HMD hyaline membrane disease
HMG-CoA hydroxymethyl glutaryl coenzyme A
HMO health maintenance organization
HNP herniated nucleus pulposus
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
HPC human/hematopoietic progenitor cells
HPF high-powered field
HPI history of present illness
HPL human placental lactogen
HPLC high-performance liquid chromatography
HPN hypertension
HPO2 phosphate
HPS hypertrophic pyloric stenosis
HPV human papilloma virus
HR health realization (therapy); heart rate
hr hour
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
HSA health services administration
HSCT hematopoietic stem cell transplantation
HSG hysterosalpingogram; herpes simplex, genitalis
HSIL high-grade squamous intraepithelial lesion
HSM hepatosplenomegaly
HSP Henoch-Schonlein purpura
HSV herpes simplex virus; hypersensitivity vasculitis
HSV-1 herpes simplex virus type 1
HSV-2 herpes simplex virus type 2
ht height
HT hormone therapy
HTLV human T-cell lymphotropic virus
HTLV-III human t lymphotropic virus type iii
HTN hypertension
HUS hemolytic uremic syndrome
husb. husband
HV home visit/visitor
Hx history
Hy hyperopia
hyg hygiene
hypo hypodermic injection; low or below
hyst hysterectomy
Hz hertz (cycles per second)
HZV herpes zoster virus