Browse Medical Abbreviations
H
| H | hydrogen [element]; heroin; history; hypodermic |
| h | hour; height |
| 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-FABP | heart-type fatty acid binding protein |
| h. | hour |
| h.s. | bedtime (L. hora somni) |
| 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; headache; hearing aid |
| 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 |
| HALE | health-adjusted life expectancy |
| HAM-D | Hamilton Rating Scale for Depression |
| HAMA | Human anti-mouse antibody |
| HAMRSA | healthcare associated with MRSA |
| HAP | hospital-acquired pneumonia |
| 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; 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 virus; hepatitis B vaccine |
| HC | head circumference; hydrocortisone; home care |
| HCA | healthcare 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 | homocysteine |
| HCY | homocystinuria |
| HD | Huntington's disease; Hodgkin's disease; herniated disk; hemodialysis; hearing distance; health department |
| HDC | high-dose chemotherapy |
| HDCV | human diploid cell rabies vaccine |
| HDF | hemodiafiltration |
| HDGC | hereditary diffuse gastric cancer |
| 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 | Hemodialysis Unit; high dependency unit |
| HDV | hepatitis delta virus |
| HE | home evaluation |
| He | helium [element] |
| HEENT | head, eye, ear, nose, and throat |
| HELLP | hemolysis, elevated liver enzymes, low platelets |
| Hem | hemoglobin |
| HEMO | hematology |
| HemOnc | hematology/oncology |
| HEP | home exercise program |
| Hep | hepatoma cell line |
| HEp-2 | human epithelial cell line 2 |
| 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 | high frequency; heart failure |
| Hf | hafnium [element] |
| HFA | hydrofluoroalkane |
| HFCS | high-fructose corn syrup |
| HFJV | high-frequency jet ventilation |
| HFOV | high-frequency oscillatory ventilation |
| HFV | high-frequency ventilation |
| 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; hereditary hemochromatosis |
| 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 |
| HHT | hereditary hemorrhagic telangiectasia |
| HHV | human herpesvirus |
| 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) |
| HIE | hypoxic-ischemic encephalopathy |
| 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 | Hodgkin lymphoma; hearing level; hearing loss; heparin lock |
| HL7 | Health Level 7 |
| HLA | human leukocyte antigen; human lymphocyte antigen |
| HLCS | holocarboxylase synthetase |
| HLH | hypoplastic left heart |
| HLHS | hypoplastic left heart syndrome |
| HLRCC | hereditary leiomyomatosis and renal cell cancer |
| HM | hand movement |
| HMD | hyaline membrane disease |
| HME | hereditary multiple exostoses |
| HMG-CoA | hydroxymethyl glutaryl coenzyme A |
| HMO | health maintenance organization |
| HMW | high molecular weight |
| HNF | hepatocyte nuclear factor |
| 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] |
| HO | heterotopic ossification |
| HOA | hypertrophic osteoarthropathy |
| HOB | head of bed |
| HOCM | hypertrophic obstructive cardiomyopathy |
| HOH | hard of hearing |
| hor. som | bedtime |
| HOSA | health occupations students of |
| hosp | hospital |
| HOT | home oxygen therapy |
| HP | hot pack |
| HPA | health protection agency; hypothalamic-pituitary axis |
| HPB | hepatopancreatobiliary |
| HPC | human/hematopoietic progenitor cells; history of presenting complaint |
| HPE | holoprosencephaly |
| HPF | high-power field |
| HPFH | hereditary persistence of fetal hemoglobin |
| HPI | history of present illness |
| HPL | human placental lactogen |
| HPLC | high-performance liquid chromatography |
| HPN | hypertension |
| HPOA | hypertrophic pulmonary osteoarthropathy |
| HPS | hypertrophic pyloric stenosis |
| HPV | human papilloma virus |
| hr | hour |
| HR | heart rate; hazard ratio |
| HRA | health risk assessment |
| HRCT | high resolution computed tomography |
| HRQoL | health-related quality of life |
| HRS | hepatorenal syndrome |
| hrs | hours |
| HRSA | Health Resources and Services Administration (U.S.) |
| HRT | hormone replacement therapy |
| hs | at bedtime (L. hora somni) |
| HS | herpes simplex; heart sounds; hidradenitis suppurativa |
| HSA | human serum albumin; health services administration |
| HSCT | hematopoietic stem cell transplantation |
| HSDD | hypoactive sexual desire disorder |
| HSG | hysterosalpingogram; herpes simplex, genitalis |
| HSIL | high-grade squamous intraepithelial lesion |
| HSM | hepatosplenomegaly |
| HSP | hereditary spastic paraplegia; Henoch-Schonlein purpura; heat shock protein |
| HSS | hepatic stimulator substance; hyperosmolar hyperglycemic state; Hallervorden-Spatz syndrome |
| 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-cell lymphotropic virus type III |
| HTN | hypertension |
| HTS | hypertonic saline |
| 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 |
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Abbreviations vary by context and institution. Many abbreviations have alternate or newer meanings not reflected in this set. The abbreviations on this page should not be considered complete.