| H | hydrogen |
| H | Hispanic |
| H | head |
| H | height |
| H | Helicobacter |
| H | heavy |
| H | hospital |
| H | hour |
| H | heroin |
| H flu | Haemophilus influenzae |
| H&C | hot and cold |
| H&H | hemoglobin and hematocrit |
| H&L | heart and lung |
| H&N | head and neck |
| H&P | history and physical |
| H&R | hysterectomy and radiation |
| H&T | hospitalization and treatment |
| H&V | hemigastrecotomy and vagotomy |
| H/BW | heart-to-body weight |
| H/H | hemoglobin/hematocrit |
| H/O | history of |
| HA | headache |
| HA | hearing aid |
| HA | heart attack |
| HA | hemolytic anemia |
| HA | hospital admission |
| HAA | hepatitis associated antigen |
| HAA | Hospital Activity Analysis |
| HAA | haloacetic acid |
| HAAB | hepatitis A antibody |
| HAART | highly active antiretroviral treatment |
| HABF | hepatic artery blood flow |
| HAC | hepatic arterial chemotherapy |
| HAC | hydroxyapatite cement |
| HACA | human antichimeric antibodies |
| HAD | hospital anxiety and depression |
| HAD | HIV-associated dementia |
| HAE | hearing aid evaluation |
| HAE | hepatic artery embolization |
| HAF | hyperalimentation fluid |
| HAGG | hyperimmune antivariola gamma globulin |
| HAH | halogenated aromatic hydrocarbons |
| HAH | hospice at home |
| HAI | hemagglutination inhibition assay |
| HAI | hepatic arterial infusion |
| HAK | hyperalimentation kit |
| HAL | hemorrhoidal artery ligation |
| HAL | hip axis length |
| HAM | human alveolar macrophage |
| HAM | hamstrings |
| HAM | hearing aid microphone |
| HAM | Haldol, Ativan, and morphine |
| HAN | heroin-associated nephropathy |
| HAO | hearing aid orientation |
| HAP | Health Alliance Plan |
| HAP | histamine acid phosphate |
| HAP | hospital-acquired pneumonia |
| HAP | hepatic arterial phase |
| HAP | hearing aid problem |
| HAP | heredopathia atactica polyneuritiformis |
| HAQ | Headache Assessment Questionnaire |
| HAR | hyperacute rejection |
| HAR | halothane-resistant |
| HAR | high-altitude retinopathy |
| HAS | Hamilton Anxiety Scale |
| HAT | head, arms, and trunk |
| HAT | hepatic artery thrombosis |
| HAV | hepatitis A vaccine |
| HAV | hepatitis A virus |
| HB | heart block |
| HB | heartburn |
| HB | Hemoglobin |
| HB | Hepatitis B |
| HB | Health Board |
| HBAB | hepatitis B antibody |
| HBBW | hold breakfast for blood work |
| HBC | hereditary breast cancer |
| HBC | hit by car |
| HBC | hepatitis B core |
| HBD | has been drinkinghealthy blood donors |
| HBE | hepatitis B epsilon |
| HBEX | home-based exercise |
| HBF | hepatic blood flow |
| HBF | Hemispheric blood flow |
| HBF | hypothalamic blood flow |
| HBF | hand blood flow |
| HBF | fetal hemoglobin |
| HBGA | had it before, got it again |
| HBGM | home blood glucose monitoring |
| HBH | Hemoglobin H disease |
| HBH | Health Belief Model |
| HBI | half-body irradiation |
| HBI | Harvey-Bradshaw Index |
| HBLs | hemangioblastomas |
| HBLV | B-lymphotropic virus human |
| HBM | human bone marrow |
| HBM | human breast milk |
| HBNK | heparin-binding neurotrophic factor |
| HBO | hit by owner |
| HBO | hyperbaric oxygen |
| HBP | high blood pressure |
| HBR | half-body radiation |
| HBS | hepatitis B surfaceHealth Behavior Scale |
| HBT | hydrogen breath test |
| HBV | hepatitis B vaccine |
| HBV | hepatitis B virus |
| HBVig | hepatitis B virus immune globulin |
| HBW | high birth weight |
| HC | head circumference |
| HC | Hydrocortisone |
| HC | hair cell |
| HC | hairy cell |
| HC | handicapped |
| HC | health care |
| HC | home care |
| HC | histamine challenge |
| HC | hot compress |
| HC | house call |
| HC | health center |
| HCA | health care aide |
| HCA | hepatocellular carcinoma |
| HCAO | hepatitis C-associated osteosclerosis |
| HCCL | heavily calcified coronary lesions |
| HCCL | hydroxycobalamin |
| HCFA | Health Care Financing Administration |
| hCG | human chorionic gonadotropin |
| HCH | Health Care for the Homeless |
| HCH | hexachlorocyclohexane |
| HCH | Halogenated cyclic hydrocarbons |
| HCI | home care instructions |
| HCL | hairy cell leukemia |
| HCLF | high carbohydrate, low fiber |
| HCLs | hard contact lenses |
| HCM | Health Care Maintenance |
| HCM | Hypertrophic Cardiomyopathy |
| HCM | Health Care Manager |
| HCM | hypercalcemia of malignancy |
| HCO3 | bicarbonate |
| HCP | handicapped |
| HCP | healthcare provider |
| HCR | health care review |
| HCS | human chorionic somatomammotropin |
| HCS | human cord serum |
| HCS | hairy cells |
| HCT | head computerized tomography |
| HCT | hematocrit |
| HCT | histamine challenge test |
| HCT | hydrocortisone |
| HCV | hepatitis C vaccine |
| HCV | hepatitis C virus |
| HCWS | healthcare workers |
| HCY | homocysteine |
| HD | haloperidol decanoate |
| HD | Hansen disease |
| HD | hearing distance |
| HD | hemodialysis |
| HD | herniated disk |
| HD | high dose |
| HD | hospital discharge |
| HDA | heteroduplex analysis |
| HDA | hemodialysis |
| HDA | high-dose arm |
| HDCC | high-dose combination chemotherapy |
| HDCT | high-dose chemotherapy |
| HDE | high-dose epinephrine |
| HDE | Humanitarian Device Exemption |
| HDE | human dose equivalent |
| HDF | hemodiafiltration |
| HDG | high dose group |
| HDG | hydrogel |
| HDL | high-density lipoprotein |
| HDM | home-delivered meals |
| HDN | hemolytic disease of the newborn |
| HDP | Heart Disease Program |
| HDP | high-density polyethylene |
| HDR | high dose rate |
| HDR | head-down rotation |
| HDR | hemodynamic response |
| HDR | heparin dose response |
| HDR | Humanitarian Daily Ration |
| HDS | Hamilton Depression Scale |
| HDS | herniated disk syndrome |
| HDT | habilitative day treatment |
| HDT | hearing distraction test |
| HDU | hemodialysis unit |
| HEA | human erythrocyte antigen |
| HEA | health |
| HEAR | hospital emergency ambulance radio |
| HEAT | human erythrocyte agglutination test |
| HEB | Health Education and Behavior |
| HEB | hematoencephalic barrier |
| HEB | hydrophilic emollient base |
| HEC | Health Education Center |
| HEENT | head, eyes, ears, nose, and throat |
| HEK | human embryonic kidney |
| HEL | human embryonic lung |
| HEM | hematology |
| HEM | hypertensive emergency |
| HEN | Health Evidence Network |
| HEN | home enteral nutrition |
| HEN | hemorrhages, exudates, and nicking |
| HEP | hepatic |
| HEP | hepatitis |
| HEP | heparin |
| HEP | home exercise program |
| HES | Health Examination Survey |
| HES | hetastarch |
| HES | hospital emergency services |
| HETF | home enteral tube feeding |
| HEV | hepatitis E vaccine |
| HEV | hepatitis E virus |
| Hex | altretamine |
| HF | Hageman factor |
| HF | hard feces |
| HF | hay fever |
| HF | heart failure |
| HF | hot flashes |
| HFA | Health For All |
| HFA | High Functioning Autism |
| HFA | Hageman factor |
| HFA | height-for-age |
| HFA | health facility administrator |
| HFB | high-frequency band |
| HFC | histamine-forming capacity |
| HFC | hepatic fat content |
| HFC | high fat/cholesterol |
| HFC | hydrofluorocarbon |
| HFC | hard filled capsule |
| HFD | high-fiber diet |
| HFE | hemochromatosis gene |
| HFHD | high-flux hemodialysis |
| HFHL | high-frequency hearing loss |
| HFI | hereditary fructose intolerance |
| HFJV | high-frequency jet ventilation |
| HFM | hand-food-and-mouth |
| HFM | Health Facilities Management |
| HFO | high-frequency oscillation |
| HFP | high-frequency power hepatic function panel |
| HFR | heart frequency |
| HFR | heart-forming region |
| HFR | Hemodiafiltration reinfusion |
| HFR | hemorrhagic fever with renal syndrome vaccine |
| HFS | hand-foot skin |
| HFS | hand-foot syndrome |
| HFUPR | hourly fetal urine production rate |
| HFV | high-frequency ventilation |
| HG | handgrip |
| HG | high-grade |
| HG | Mercury |
| HG | Haemophilus gallinarum |
| HG | herpes gestationis |
| HG | high glucose |
| Hg | mercury |
| HGA | high-grade astrocytomas |
| Hgb | hemoglobin |
| Hgb F | fetal hemoglobin |
| Hgb S | sickle cell hemoglobin |
| HGD | high grade dysplasia |
| HGE | human granulocytic ehrlichiosis |
| HGF | hepatocyte growth factor |
| HGF | hematopoietic growth factors |
| HGG | high-grade glioma |
| HGG | human gamma globulin |
| HGH | human growth hormone |
| HGI | Human Genome Initiative |
| HGM | home glucose monitoring |
| HGN | hypogastric nerve |
| HGO | hepatic glucose output |
| HGP | hepatic glucose production |
| HGP | Human Genome Project |
| HGS | hand-grip strength |
| HGS | human genome sequence |
| HGV | hepatitis G vaccine |
| HGV | hepatitis G virus |
| HH | hard of hearing |
| HH | hiatal hernia |
| HH Assist | hand-held assist |
| HHC | home health care |
| HHC | household contacts |
| HHD | Hand-held Doppler |
| HHD | home hemodialysis |
| HHD | hypertensive heart disease |
| HHD | Doctor of Holistic Health |
| HHFM | high-humidity face mask |
| HHH | helix-hairpin-helix motif |
| HHH | Histiocytic hyperplasia with hemophagocytosis |
| HHH | hyperornithinaemia hyperammonaemia homocitrullinuria syndrome |
| HHIE-S | hearing handicap inventory for theelderly-short form |
| HHM | Humoral Hypercalcemia of malignancy |
| HHM | high-humidity mask |
| HHN | hand-held nebulizer |
| HHPPS | home health prospective payment system |
| HHRG | Home Health Resource Group |
| HHS | hearing handicap scale |
| HHS | Helsinki Heart Study |
| HHS | Harris Hip Score |
| HHS | Health and Human Service |
| HHT | hereditary hemorrhagic telangiectasis |
| HHT | head halter traction |
| HHT | heterotopic heart transplantation |
| HHV-8 | human herpesvirus 8 |
| HHYPER | hyperthyroid |
| HI | head injury |
| HI | health insurance |
| HI | hearing impaired |
| HI | homicidal ideation |
| HIA | hemagglutination inhibition antibody |
| HIB | Haemophilus influenzae type b |
| HIC | handling-induced convulsions |
| HIC | Head Injury Criterion |
| HIC | Human Investigation Committee |
| HIC | Health Insurance Claim |
| hi-cal | high caloric |
| HID | headache, insomnia, and depression |
| HID | herniated intervertebral disk |
| HIDA | hepato-iminodiacetic acid |
| HiDAC | high-dose cytarabine |
| HIDS | hyperimmunoglobulinemia D syndrome |
| HIE | hyperimmunoglobulinemia E |
| HIF | Haemophilus influenzae |
| HIHA | high impulsiveness, high anxiety |
| HII | hepatic-iron index |
| HIL | hypoxic-ischemic lesion |
| HIM | Health Information Management |
| HIM | hepatitis-infectious mononucleosis |
| HIN | haemophilus influenzae nontypable |
| HIO | health insuring organization |
| HIO | hepatic iron overload |
| HIP | health insurance plan |
| HIR | head injury routine |
| HIS | Hospital Information System |
| HIS | histidine |
| HIS | Health Interview Survey |
| HIS | Hanover Intensive Score |
| HIT | heparin-induced thrombocytopenia |
| HIU | head injury unit |
| HIV | human immunodeficiency virus |
| HJB | Howell-Jolly bodies |
| HJR | hepatojugular reflux |
| HK | hand-to-knee |
| HK | heel-to-knee |
| HKAFO | hip-knee-ankle-foot orthosis |
| HKD | hyperkinetic disorder |
| HKMN | Hickman |
| HKO | hip-knee orthosis |
| HKS | haloketones |
| HKS | human keratinocytes |
| HKS | hyperkinetic syndrome |
| HKT | heterotrophic kidney transplant |
| HL | heparin lock |
| HL | heart lung |
| HL | hairy leukoplakia |
| HL | harelip |
| HL | hearing loss or level |
| HL | heat loss |
| HL | hepatic lipase |
| HL | Hickman line |
| HL | Hodgkin lymphoma |
| HL | hemolysis |
| HLA | human leukocyte antigen |
| HLB | hydrophilic-lipophilic balance |
| HLB | head, limbs, and body |
| HLD | hypersensitivity lung disease |
| HLD | Hemispheric language dominance |
| HLD | herniated lumbar disk |
| HLD | hyperlipidemia |
| HLD | haldol |
| HLES | hypertensive lower esophageal sphincter |
| HLGR | high-level gentamicin resistance |
| HLH | human luteinizing hormone |
| HLH | human luteinising hormone |
| HLH | hypoplastic left heart |
| HLH | helix-loop-helix |
| HLI | head lice infestation |
| HLK | heart, liver, and kidneys |
| HLM | heart-lung machine |
| HLOS | hypertensive lower oesophageal sphincter |
| HLP | hyperlipoproteinemia |
| hLS | human lung surfactant |
| HLT | heart-lung transplantation |
| HLV | herpes-like virus |
| HM | hand motion |
| HM | heavy metal |
| HM | head movement |
| HM | heart murmur |
| HM | hemiplegic migraine |
| HMA | hemorrhages and microaneurysms |
| HMB | beta-hydroxy-beta methylbutyrate |
| HMD | hyaline membrane disease |
| HME | home medical equipment |
| HMF | higher mental functions |
| HMF | human milk fortifier |
| HMG | human menopausal gonadotropin |
| HMI | healed myocardial infarction |
| HMI | health and medical informatics |
| HMI | history of medical illness |
| HMM | altretamine (hexamethyl-melamine) |
| HMO | Health Maintenance Organization |
| HMP | health maintenance plan |
| HMR | histiocytic medullary reticulosis |
| HMR | health maintenance recommendations |
| HMR | health maintenance record |
| HMS | Hearing Measurement Scale |
| HMS | hexose monophosphate shunt |
| HMS | Harvard Medical School |
| HMV | home mechanical ventilation |
| HMX | heat massage exercise |
| HN | head and neck |
| HN | head nurse |
| HN | home nursing |
| HNC | hyperosmolar nonketotic coma |
| HNC | head and neck cancer |
| HNC | Holistic Nurse, Certified |
| HNE | human neutrophil elastase |
| HNI | hospitalization not indicated |
| HNKDC | hyperosomolar nonketotic diabetic coma |
| HNKDS | hyperosomolar nonketotic diabetic state |
| HNLN | hospitalization no longer necessary |
| HNN | hemorrhagic nephrosonephritis |
| HNN | hierarchical neural network |
| HNN | hybrid neural network |
| HNP | herniated nucleus pulposus |
| HNRNA | heterogeneous nuclear ribonucleic acid |
| HNS | head and neck surgery |
| HNV | has not voided |
| HNWG | has not worn glasses |
| HO | hand orthosis |
| HO | hip orthosis |
| HOA | hip osteoarthritis |
| HOB | head of bed |
| HOC | hypertrophic obstructive cardiomyopathy |
| HOC | hemorrhagic ovarian cyst |
| HOC | Hepatic oval cells |
| HOC | Hereditary ovarian cancer |
| HOD | heroin overdose |
| HOG | High Osmolarity Glycerol |
| HOG | halothane, oxygen, and gas |
| HOH | hand-over-hand |
| HOH | hard of hearing |
| HOI | head-out immersion |
| HOI | hospital onset of infection |
| HOM | high-osmolar contrast media |
| HONC | Hooked on Nicotine Checklist |
| HONK | hyperosmolar nonketotic |
| HOP | hourly output |
| HOR | Health outcomes research |
| HOR | high outlet resistance |
| HOR | higher-order repeat |
| HOS | Health Outcomes Survey |
| HOSP | hospital |
| HOSP | hospitalization |
| HOT | Hypertension Optimal Treatment |
| HOT | hyperbaric oxygen therapy |
| HOT | home oxygen therapy |
| HP | helicobacter pylori |
| HP | high-pass |
| HP | high protein |
| HP | Highly purified |
| HP | high-phosphorus |
| HP | house physician |
| HP | hard palate |
| HP&D | hemoprofile and differential |
| HPA | human platelet antigen |
| HPA | Hypophyseal-pituitary axis |
| HPA | hypothalamic pituitary axis |
| HPA | hybridization protection assay |
| HPC | hematopoietic precursor cells |
| HPC | hemangiopericytoma |
| HPC | history of present condition |
| HPD | hearing protection device |
| HPD | high-protein diet |
| HPDP | health promotion and disease prevention |
| HPE | hemorrhage, papilledema, exudate |
| HPE | history and physical examination |
| HPF | high-power field |
| HPG | human pituitary gonadotropin |
| HPH | health promoting hospital |
| HPH | Hashimoto-Pritzker histiocytosis |
| HPI | history of present illness |
| HPIP | history, physical, impression, and plan |
| HPK | hyperkeratosis |
| HPL | human placenta lactogen |
| HPL | hyperlipidemia |
| HPL | hyperplexia |
| HPM | Head plasma membranes |
| HPM | Health Promotion Model |
| HPM | hemiplegic migraine |
| HPN | home parenteral nutrition |
| HPN | Health Provider Network |
| HPN | hepatopoietin |
| HPN | hyperplastic nodules |
| HPO | Hypertrophic Pulmonary Osteoarthropathy |
| HPO | high-pressure oxygen |
| HPO | hydrogen peroxide |
| HPPM | hyperplastic persistent pupillary membrane |
| HPS | hantavirus pulmonary syndrome |
| HPS | Heart Protection Study |
| HPS | hemophagocytic syndrome |
| HPS | His-Purkinje system |
| HPT | heparin protamine titration |
| HPT | histamine provocation test |
| HPT | home pregnancy test |
| HPV | human papilloma virus |
| HPZ | high-pressure zone |
| HQL | health-related quality of life |
| HR | hallux rigidus |
| HR | hazard ratio |
| HR | health related |
| HR | heart rate |
| HRA | Human Resources Administration |
| HRA | hereditary renal adysplasia |
| HRA | high-right atrium |
| HRC | Human Rights Committee |
| HRC | heart rate characteristics |
| HRC | hereditary renal cancer |
| HRD | hazard ratios of death |
| HRD | human retroviral disease |
| HRD | hypertension renal disease |
| HRE | high-resolution electrocardiography |
| HRF | Harris return flow |
| HRF | hypertensive renal failure |
| HRI | heart rate impairment |
| HRI | heme-regulated inhibitor |
| HRI | HMG-CoA reductase inhibitors |
| HRL | head rotated left |
| HRMS | high-resolution mass spectrometry |
| HRNB | Halstead-Reitan Neuropsychological Battery |
| HROS | high-reliability organizations |
| HRP | high-risk pregnancy |
| HRR | head rotated right |
| HRS | hepatorenal syndrome |
| HRS | Health and Rehabilitative Services |
| HRS | Hallucinogen Rating Scale |
| HRS | Hamilton depression rating scale |
| HRS | Haw River Syndrome |
| HRT | heart rate |
| HRT | hormone replacement therapy |
| HRU | health resource utilization |
| HRV | heart rate variability |
| HS | bedtime |
| HS | half-strength |
| HS | heart sounds |
| HS | heel spur |
| HS | herpes simplex |
| HSA | Health Service Administration |
| HSA | human serum albumin |
| HSA | Hazardous Substances Act |
| HSBS | evening blood sugar |
| HSC | hematopoietic stem cell |
| HSE | herpes simplex encephalitis |
| HSG | herpes simplex genitalis |
| H-SIL | high-grade squamous intraepithelial lesions |
| HSJ | Health Service Journal |
| HSJ | hepatic schistosomiasis japonica |
| HSM | hepatosplenomegaly |
| HSM | health system model |
| HSN | heart sounds normal |
| HSN | hereditary sensory neuropathy |
| HSN | head-shaking nystagmus |
| HSO | health services organizations |
| HSP | Human Services Policy |
| HSP | Henoch Shonlein Purpura |
| HSP | Health Systems Plan |
| HSP | heat stress proteins |
| HSQ | Health Status Questionnaire |
| HSR | heated serum reagin |
| HSR | hypersensitivity reaction |
| HSS | health services support |
| HSS | Health Surveillance System |
| HSS | hepatosplenic schistosomiasis |
| HSS | Hospital for Special Surgery score |
| HSS | Hydrocortisone sodium succinate |
| HSS | hypersensitive sites |
| HSS | hypersensitivity syndrome |
| HSV | herpes simplex virus |
| HT | height |
| HT | head trauma |
| HT | healing time |
| HT | hearing test |
| HT | heart |
| HT | hematocrit |
| HT | heart transplant |
| HT | Hashimoto thyroiditis |
| HT | high temperature |
| HTA | Health Technology Assessment |
| HTB | heterotopic bone |
| HTB | human tumor bank |
| HTB | hot tub bath |
| HTC | hypertensive crisis |
| HTDS | high-throughput drug screening |
| HTE | human tracheal epithelial |
| HTE | hypertensive encephalopathy |
| HTE | highly-treatment experienced |
| HTF | HER2 transcription factor |
| HTF | house tube feeding |
| HTGL | hepatic triglyceride lipase |
| HTK | heel-to-knee |
| HTK | human thymidine kinase |
| HTK | human tissue kallikrein |
| HTL | hearing threshold level |
| HTM | Haemophilus test medium |
| HTM | high threshold mechanoceptors |
| HTM | histamine |
| HTN | hypertension |
| HTO | high tibial osteotomy |
| HTP | House-Tree-Person-test |
| HTP | heart transplant patients |
| HTP | high-throughput |
| HTP | hydroxytryptophan |
| HTR | hard tissue replacement |
| HTS | head traumatic syndrome |
| HTT | Huntingtin protein |
| HTT | hand thrust test |
| HTV | herpes-type virus |
| HTX | hemothorax |
| HTX | histrionicotoxin |
| HTx | heart transplant |
| HU | head unit |
| HU | holding unit |
| HU | Hounsfield units |
| HU | human |
| HU | hydroxyurea |
| HUD | humanitarian use devices |
| HUI | Health Utilities Index |
| HUK | human urinary kallikrein |
| HUM | Hilbert uniqueness method |
| HUM | human proteins |
| HUM | humerus |
| HUM | heat, ultrasound, and massage |
| HUS | Hemolytic Uremic Syndrome |
| HUS | head ultrasound |
| HUT | head-upright tilt |
| HV | hallux valgus |
| HV | has voided |
| HV | hepatic vein |
| HVA | hallux valgus angle |
| HVA | homovanillic acid |
| HVD | hypertensive vascular disease |
| HVE | high-voltage electrophoresis |
| HVF | Humphrey visual field |
| HVI | hollow viscus injury |
| HVL | half-value layer |
| HVOD | hepatic veno-occlusive disease |
| HVOO | hepatic venous outflow obstruction |
| HVPC | high-voltage pulsed current |
| HVPG | hepatic venous pressure gradient |
| HVPT | hyperventilation provocation test |
| HVR | hypoxic ventilatory response |
| HVS | hyperventilation syndrome |
| HW | half-width |
| HW | healing well |
| HW | heartworm |
| HW | Heart weight |
| HWB | heparinized whole blood |
| HWB | hot water bottle |
| HWG | has worn glasses |
| HWP | hot wet pack |
| HWP | hepatic wedge pressure |
| HWP | Heart Worm Prevention |
| Hx | history |
| Hx&Px | history and physical |
| HXM | hexamethylmelamine |
| Hy | hydrazine |
| Hy | hypermetropia |
| Hy | hyperopia |
| Hy | hysteria |
| HYDRO | hydronephrosis |
| HYG | hygiene |
| HYPO | hypodermic, hypodermic injection |
| HYPO | hypothalamus |
| HYPO | hypothermia |
| HYPO | hypothyroid |
| HYS | hysterectomy |
| HYS | hysteria |
| HYS | hysterical |
| Hyst | hysterectomy |
| HZ | hherpes zoster |