Medical Abbreviations (G, H, I, J) -Useful for Coding and Transcription

3’:5’-GMP, guanosine 3’:5’-cyclic phosphate.
3-GPA, 3-guanidinopropionic acid.
G&O, gas and oxygen.
G, glycine.
g, gm, gram.
G, gravida.
G, guanine.
G, histopathological grading.
G/M, granulocyte/macrophage.
g/ml, grams per milliliter.
G/P, gravida/para.
G-1-P, glucose-1-phosphate.
G3P, G-3-P, glyceraldehyde-3-phosphate.
G3P, glycerol-3-phosphate.
G3PD, glucose-3-phosphate dehydrogenase.
G6P, G-6-P, glucose-6-phosphate.
G6Pase, G-6-Pase glucose-6-phosphatase.
G6PD, G-6-PD, glucose-6-phosphate dehydrogenase.
GA, gastric analysis; general appearance.
GA, general anaesthetic/anesthesia.
GA, gestational age.
GA/BW, 16 gestational age/birthweight categories.
GAA, guanine-adenine-adenine codon for glutamic acid.
GAC, guanine-adenine-cytosine codon for aspartic acid.
GAF score, global assessment of functioning.
GAG, guanine-adenine-guanine codon for glutamic acid.
GALOP (syndrome), Gait disorder, Autoantibody, Late-age, Onset, Polyneuropathy.
GAMC, General Assistance Medical Care.
gastroc, Gastrocnemius.
GAU, guanine-adenine-uracil codon for aspartic acid.
GB, gallbladder.
GBD, gallbladder disease.
GBM, glomerular basement membrane.
GBS, gallbladder series.
GBS, Guillian-Barre syndrome.
GC, gas chromatography.
GC, general condition.
GC, germinal center.
GC, gonococcal; gonococcus.
GC/MS, gas chromatography/mass spectrometry.
GCA, giant cell arteritis.
GCA, guanine-cytosine-adenine codon for alanine.
GCC, guanine-cytosine-cytosine codon for alanine.
GCDFP-15, gross cystic disease fluid protein 15.
GCG, guanine-cytosine-guanine codon for alanine.
GCNST, granular cell nerve sheath tumor.
GCP, Good Clinical Practice (guidelines).
GCRP, good clinical research practice.
GCS, Glasgow Coma Scale.
G-CSF, granulocyte colony stimulating factor promotes production of white blood cells.
GCT, germ cell tumor.
GCU, guanine-cytosine-uracil codon for alanine.
GD, gastroparesis diabeticorum.
G-DAP, Geriatric Draw-A-Person
GDM, gestational diabetes mellitus.
GDP, Gross Domestic Product.
GE, gastroenteritis.
GE, gastroesophageal.
GE, gradient echo (MRI).
Ged, end-diastolic conductances.
GED, gas electron diffraction.
GED, gastric emptying duration.
GED, gastric epithelial dysplasia.
GED, general emergency department.
GED, general equivalency diploma.
GED, generalised exfoliative dermatitis.
GED, generalized epileptiform discharges.
GED, Gln-enriched diet.
GED, glutamic acid diethyl ester.
GED, Graves' eye disease.
GED, GTPase effector domain.
GED, guanidinoethyldisulphide.
Ged, left ventricle centers of gravity at end-diastole.
GED-ELISA, gel electrophoresis-derived enzyme-linked immunosorbent assay.
GEDs, Glycosphingolipid-enriched domains.
GERD, gastroesophageal reflux disease.
Ges, end-systolic conductances.
GFAP, glial fibrillary acidic protein.
GFP, green fluorescent protein.
GFR, glomerular filtration rate.
GG, gamma globulin.
GGA, guanine-guanine-adenine codon for glycine.
GGC, guanine-guanine-cytosine codon for glycine.
GGG, guanine-guanine-guanine codon for glycine.
GGT, gamma-glutamyltransferase.
GGT, gamma-glutamyltranspeptidase.
GGU, guanine-guanine-uracil codon for glycine.
GH, general health.
GH, growth hormone (somatotropin).
GHBP, growth hormone binding protein.
GHD, growth hormone deficiency.
GHT, geniculo-hypothalamic tract.
GHT, growth hormone therapy.
GI, [gaster (Greek)] gastrointestinal.
GI, gonion.
GIC, glass ionomer cement.
GICD, Groupe Internationale Cotrel Dubousset.
GIH, gastrointestinal hormone.
GIN, glucose/nitrogen ratio.
GINS, glucose in normal saline (solution).
GIP, gastric inhibitory peptide.
GIP, giant cell interstitial pneumonia.
GIP, glucose-dependent insulinotropic peptide.
GIP, gonorrheal invasive peritonitis.
GIS, Global Information System.
GLC, gas-liquid chromatography.
Gln, glutamine.
GLP, good laboratory practice.
Glu, glucose.
Glu, glutamic acid.
GLU, glutamic acid.
gluc, glucose.
GLUC, glucosidase.
GLUD, glutamate dehydrogenase.
GLUDP, glutamate dehydrogenase pseudogene.
GLUL, glutamate (ammonia) ligase.
GLUR, glutamate receptor.
GLUT, glucose transporter.
GLV, gibbon ape leukemia virus.
GLV, Gross leukemia virus.
GLVR, gibbon ape leukemia virus receptor.
GLY, gly, glycine.
Gly, glycine
glyc, glyceride.
GM&S, general medicine and surgery.
Gm, an allotype marker on the heavy chains of immunoglobins.
gm, cal gram calorie.
GM, gastric mucosa.
GM, Geiger-Muller (counter).
G-M, Geiger-Muller (counter).
GM, general medicine.
GM, genetic manipulation.
GM, geometric mean.
GM, giant melanosome.
gm, GM, gram.
GM, gram.
gm, gram.
g-m, gram-meter.
GM-, gram-negative.
GM, grand mal (epilepsy).
GM, grand multiparity.
GM, grandmother.
GM, granulocyte-macrophage.
GM, gray matter.
GM, gross motor.
GM, growth medium.
gm. neg., gram negative.
gm/cc, grams per cubic centimeter.
gm/l, grams per liter.
GM+, gram-positive.
GMA, glyceral methacrylate.
GMA, gross motor activity.
GMB, gastric mucosal barrier.
GMB, granulomembranous body.
GMBF, gastric mucosa blood flow.
GMC, general medical clinic.
GMC, general medical council.
GMC, giant migratory contraction.
GMC, grivet monkey cell.
GMCD, grand mal convulsive disorder.
GM-CFU, granulocyte~macrophage colony forming unit.
GM-CSF, granulocyte and macrophage colony stimulating factor.
GMD, geometric mean diameter.
GMD, glycopeptide moiety modified derivative.
GME, graduate medical education.
GMENAC, Graduate Medical Education National Advisory Committee.
GMH, germinal matrix hemorrhage.
GMK, green monkey kidney (cells).
GML, gut mucosa lymphocyte.
gm-m, gram-meter.
GMN, gradient moment nulling.
g-mol, gram-molecule.
GMP, glucose monophosphate.
GMP, good manufacturing practice.
GMP, granule membrane protein.
GMP, guanosine monophosphate.
GMPR, guanine monophosphate reductase.
GMPs, GDP-mannose pyrophosphorylases.
GMR, gallops, murmurs, rubs.
GMR, gradient motion rephasing.
GMRH, germinal matrix related hemorrhage.
GMRI, gated magnetic resonance imaging.
GMS, General Medical Service.
GMS, geriatric mental state.
GMS, Gilbert-Meulengracht syndrome.
GMS, glyceryl monostearate.
GMS, Gomori methenamine silver stain.
GMS, goniodysgenesis-menta1 retardation-short stature (syndrome).
GMSC, General Medical Services Committee.
GMT, geometric mean titer.
GMT, gingival margin trimmer.
GMV, gram molecular volume.
GMW, gram molecular weight.
GN, gaze nystagmus.
GN, glomerulonephritis.
GN, glucose nitrogen (ratio).
Gn, gnathion.
GN, gnotobiote.
Gn, gonadotropin.
GN, graduate nurse.
GN, gram-negative.
GN, guanine nucleotide.
GNA, general nursing assistance.
GNAT, guanine nucleotide-binding protein, alpha-transducing.
GNAZ, guanosine nucleotide-binding alpha Z polypeptide.
GNB, ganglioneuroblastoma.
GNB, gram-negative bacillus.
GNB, guanine nucleotide-binding (protein).
GNBM, gram-negative bacillary meningitis.
GNBT, guanine nucleotide-binding protein, beta transducing.
GNC, general nursing care.
GNC, General Nursing Council.
GNC, geriatric nurse clinician.
GND, Gram-negative diplococci.
GNID, gram-negative intracellular diplococci.
GNP, geriatric nurse practitioner.
GNP, gerontologic nurse practitioner.
GNP, Gross National Product .
GNR, gram-negative rods.
GnRF, gonadotropin-releasing factor.
GnRH, gonadotropin-releasing hormone.
GnRHR, gonadotropin-releasing hormone receptor.
GNTP, Graduate Nurse Transition Program.
GO, gastro-(o)esophageal.
GO, geroderma osteodysplastica.
GO, glucose oxidase.
Go, gonion.
GO, gonorrhea.
GOA, generalized osteoarthritis.
GOAT, Galveston Orientation and Amnesia Test.
GOBAB, gamma-hydroxy-beta-aminobutyric acid.
GOE, gas, oxygen, and ether.
GOG, Gynecologic Oncology Group.
GOH, gemderma osteodysplastica hereditaria.
GOK, God only knows (the diagnosis).
GOMER, Get Out of My Examination Room.
GOMER, Grand Old Man of the Emergency Room.
GON, gonococcal ophthalmia neonatorum.
GON, Government of Nigeria.
GOND, glaucomatous optic nerve damage.
GOQ, glucose oxidation quotient.
GOR, gastroesophageal reflux.
GOR, general operating room.
GOS, Glasgow outcome score.
GOT, aspartate aminotransferase.
GOT, glucose oxidase test.
GOT, glutamate oxaloacetate transaminase.
GOT, goal of treatment.
GOTM, glutamic-oxaloacetic transaminase, mitochondrial.
GOX, glyphosate oxydoreductase.
GP, gangliocytic paraganglioma.
GP, gastric pneumatosis.
GP, gastroplasty.
gp, gene product.
GP, general paralysis, general paresis.
GP, general practice, general practitioner.
GP, genetic prediabetes.
GP, geometric progression.
GP, globus pallidus.
GP, glucose phosphate.
GP, glutathione peroxidase.
GP, glycerophosphate.
GP, glycogen phosphorylase.
GP, glycopeptide.
GP, glycophorin.
GP, glycoprotein.
GP, Goodpasture syndrome.
GP, gram positive.
GP, gross product.
GP, group.
GP, guinea pig.
GP, gutta percha.
Gp, parallel conductance.
gp46, viral protein specific to HIV virus.
GPA(3-), 3-guanidinopropionic acid.
GPA(ά-), alpha-D-glucose pentaacetate.
GPA, Goodpasture antigen.
GPA, grade point average.
GPA, Group Practice Association.
GPA, growth-promoting activity.
GPA, guinea pig albumin.
Gpa, the phosphorylated high-activity form of glycogen phosphorylase (GP).
GPAIS, guinea pig anti-insulin serum.
GPB, glossopharyngeal breathing.
GPB, glycophorin B.
GPb, the dephosphorylated low-activity form of glycogen phosphorylase (GP).
GPC, gastric parietal cell.
GPC, gel permeation chromatography.
GPC, giant papillary conjunctivitis.
GPC, glycophorin C.
GPC, granular progenitor cell.
GPC, guinea pig complement.
GPCI, geographic practice cost index.
GPD, glucose-6-phosphate dehydrogenase.
GPD, glycerol-phosphate dehydrogenase.
GPI, glycophosphatidilinositol (anchor surface protein deficient in PNH).
GPI, glycosylphosphatidylinositol.
GPOH, Gesellschaft fur Padiatrische Onkologie und Hamatologie (German Paed. Onc Group).
GPP, good pharmacy practices.
GPR, good partial remission.
GPx, glucathione peroxydase.
GR, gastric resection; great, greater; gross, grossly; group.
GR, glutathione reductase.
gr, grain.
Gra, granulocytes.
GRAIL, Gene Recognition and Analysis Internet Link.
GRAV, Grav., gravida, a pregnant woman.
GRE, gradient echo.
GRH, growth hormone-releasing hormone (somatocrinin).
GRID, gay-related immunodeficiency.
GRM, gallop, rub, murmur.
GS, glycogen synthase.
GSC, gas-solid chromatography.
GSH, reduced glutathione.
GSM, grams per square meter.
GSS, Gerstmann-Str@ussler syndrome.
GSS, glucose-saline solution.
GSS, Gruppo di Studio della Scoliosi e delle Patologie Vertebrali.
GSSG, oxidized glutathione.
GSW, gun shot wound.
GT, gait training.
gt, gtt, drop, drops.
GTD, gestational trophoblastic disease.
GTT, glucose tolerance test.
Gtts, drops per minute.
GU, (genitalis) genitourinary.
GU, gastric ulcer.
GUA, guanine-uracil-adenine codon for valine.
GUC, guanine-uracil-cytosine codon for valine.
GUG, guanine-uracil-guanine codon for valine.
Guppying, the complete exterior and interior alteration that most World War II boats experienced after the war.
GUU, guanine-uracil-uracil codon for valine.
GvHD, graft versus host disease.
GVHR, graft vs. host reaction.
GXT, graded exercise test.
Gy, grays (units of radiation).
GYN, gyn, gynecology.
GW , gigaohm (one billion ohms).
a -GPA, alpha-D-glucose pentaacetate.

12-HETE, 12-hydroxyeicosatetraenoic acid.
H&E, hematoxylin and eosin stain.
H&E, hemorrhage and exudate
H&H, hematocrit and hemoglobin.
H&P, history and physical (examination).
H, histidine.
h, hour.
H, hypodermic, hydrogen.
H. flu, Haemophilus influenzae.
h.p.f., high power field.
H/O, h/o, history of.
H2S, hydrogen sulfide.
HA, headache.
HA, high anxiety.
HA, hospital admission.
HA, hydroxylapatite.
HA/Al, hydroxyapatite coated porous alumni (ceramic).
HAA, hepatitis associated antibodies.
HAART, highly active antiretroviral therapy.
HAC, hydroxylapatite ceramic.
HACCP, Hazard Analysis and Critical Control Point.
HAD, high-alcohol-drinking.
HADD, highest average daily dose.
HADS, Hospital Anxiety and Depression Scale.
HaeIII, restriction enzyme from Haemophilus aegyptius.
HAL, hypocellular acute leukemia.
HAM, human alveolar macrophage.
HASCVD, hypertensive arteriosclerotic cardiovascular disease
HAT, Halsted aphasia test.
HAT, harmonic attenuation table.
HAT, head, arm, trunk.
HAT, heparin-assosiated thrombocytopenia.
HAT, hepatic artery thrombosis.
HAT, heterophil antibody titer.
HAT, high albumin transport.
HAT, histone acetyltransferase.
HAT, hospital arrival time.
HAT, hypoxanthine, aminopterin and thymidine.
HAT, hypoxanthine, azaserine and thymidine.
Hb, hemoglobin.
HbA1c, hemoglobin A1c - used for monitoring blood glucose.
HBD, has been drinking.
HBD, hydroxybutyrate dehydrogenase.
HBF, hepatic blood flow.
HBIG, hepatitis B immune globuline.
Hbp, high blood pressure.
HBPV, Hemophillus influenzae type B polysaccharide vaccine.
HBSAG, hepatitis B surface antigen.
HBSE, Human Behavior & Social Environment.
HBV, hepatitis B virus.
HC, Hassal’s corpuscles.
HCA, hepatic cell adenomas.
HCA, Murex Hybrid Capture CMV DNA assay.
HCC, hepatocellular carcinoma.
HCFA, Health Care Financing Administration (US).
HCG, human chorionic gonadotropin.
HCGs, hyperchromatic crowded groups.
HCL, hairy cell leukemia.
HCl, hydrochloric acid, hydrochloride.
HCM, health care maintenance.
HCM, hypertrophic cardiomyopathy.
HCO3, bicarbonate.
HCPS, hantavirus cardiopulmonary syndrome.
HCT, Hct, hct, ht, hematocrit (also packed cell volume, see PCV).
HCT, helical computed tomographic.
HCTZ, hydrochlorothiazide.
HCV, hepatitis C virus.
HCV, hog cholera virus.
HCVD, hypertensive cardiovascular disease.
HD, hearing distance.
HD, heart disease.
HD, helper-dependent (e.g. adenoviral vectors).
HD, hemodialysis.
HD, herniated disks.
HD, high dose.
HD, Hodgkin's disease (lymphoma).
HD, hospital day.
HDC , high dose chemotherapy (often used as HDC/BMT) /PSCT or /PSCR ," used with HDC, means with peripheral" stem cell transplant or rescue.
HDC, high-dose chemotherapy.
HDCT, high-dose chemotherapy.
HDCV, human diploid cell vaccine.
HDF, human diploid fibroblast.
HDL, high density lipoprotein.
HDN, hemolytic disease of the newborn.
HDPE, high-density polyethylene.
HDS, herniated disc syndrome.
HE, Hektoen enteric agar.
HE, hereditary eliptocytosis.
HEADS, home , education & employment, activities, drugs, and sexuality (special history taking technique for adolescents).
HEC, Hemorrhagic Escherichia Coli.
HECOS, Health and Economic Consequences of Smoking.
HEDIC, Healthcare Electronic Data Interchange Corporation.
HEENT, head, ears, eyes, nose, and throat.
HELLP, hemolysis, elevated liver enzymes, low platelets syndrome.
HEMA, 2-hydroxyethylmethacrylate.
HEMA-MMA, hydroxyethyl methacrylate-methyl methacrylate.
HEP, home exercise program.
HEPA, high-efficiency particulate air/adsorption.
HER2 , human EGF-like receptor no. 2; short for HER2,ECD (extra cellular domain) (also called Her2/neu).
HETE’s, HydroxyEicosaTetraEnoic acids.
HEV(s), high endothelial venule(s).
HF, hay fever.
HF, heart failure.
HFC, high frequency cells.
HFOV, high-frequency oscillatory ventilation.
HFRT, hyperfractionated radiotherapy.
HG, herpes gestationis.
HG, Hog Cholera.
Hg, Mercury.
hgb, Hb, HGB, hemoglobin.
HGE, human granulocytic ehrlichiosis.
HGH, human growth hormone.
HGPRT, hypoxanthine guanine phosphoribosyl transferase.
HGSIL, high-grade squamous intraepithelial lesion.
HH, hard of hearing.
HH, hiatal hernia.
HHC, hereditary hemochromatosis.
HHNK - hyperglycemic hyperosmolar non-ketotic.
HHV, human herpes virus.
HHV-8, human herpes virus 8.
HI, hemagglutination inhibition.
Hi, hemiglobin (methemoglobin).
HIAA (5-), 5-hydroxyindoleacetic acid.
HIB, Haemophilus influenzae type B.
Hib, Hemophillus influenzae type B conjugate vaccine.
HIBCC, Health Industry Bar Code Council.
HiCN, hemiglobincyanide.
HIDA, Health Industry Distributors Association.
HIDA, hepatic iminodiacetic acid (imaging or scanning).
HIDA, tetrahydroindazolone carboxylic acid.
HIER, heat induced epitope retrieval.
HIFU, high intensity focused ultrasound.
HIM, Health Information Management.
HIMA, Health Industry Manufacturers Association.
HindIII, restriction enzyme from Haemophilus influenzae Rd.
HIPAA, Health Insurance Portability and Accountability Act.
HIPSOC, Hip Society (also: AAOS Related Organizations).
His, histidine.
HIT, heparin induced thrombocytopenia.
HIT, Holtzman Inkblot Technique.
HIV, human immunodeficiency virus.
HIV/AIDS, Human Immuno-Deficiency Virus/Acquired Immune Deficiency Syndrome.
H-J, hepatojugular.
HJR, hepatojugular reflux.
HK, high molecular weight kininogen.
HKAFO, hip-knee-ankle-foot orthosis.
HKCOS, Hong Kong College of Orthopaedic Surgeons.
HKOA, Hong Kong Orthopaedic Association.
HL, hearing loss.
HL, heart and lungs.
HLA, heart, lungs, abdomen.
HLA, human leukocyte antigen.
HL-A, Human Leukocyte Associated antigens (HL-A matching for BMT).
HLA-DR, D-related human leukocyte antigen.
HLFs, human lung fibroblasts.
HLH, histiocytic lymphohistiocytosis.
HLK, heart, liver, kidney.
HLV, herpes like virus.
HM, hand motion.
HM, heart murmur.
HMD, hyaline membrane disease.
HME, heat and humidity exchanger.
HMO, health maintenance organization.
HMP, hexose monophosphate (oxidative shunt).
HMP, hot moist packs.
HMPAO, hexamethyl propyleneamine oxime.
HMSN, hereditary motor and sensory neuropathies.
HMWK, high-molecular weight kininogen.
HNP, herniated nucleus pulposus.
HNPP, hereditary neuropathy with liability to pressure palsies.
HNV, has not voided.
HO, heterotopic ossification.
HO, history of.
HO, house officer.
HOA, hypertrophic osteoarthropathy.
HOB, head of bed.
HOCM, hypertrophic obstructive cardiomyopathy.
HOH, hard of hearing.
HOMC, hypertrophic obstructive cardiomyopathy.
HON, Health On the Net Foundation.
HONC, hyperosmolar nonketotic coma.
Hop, H. pylori outer membrane protein.
Hor v 9, group IX pollen allergen from barley (Hordeum vulgare).
HOR, Health outcomes research.
HOR, high outlet resistance.
HOR, higher-order repeat.
HOR, homing receptor.
HOR, homologue of rap.
HOR, hordein genes.
HOR, horizontal movable arm support.
hor, horizontal.
hOR, human oestrogen receptor.
hOR, human oxidoreductase.
HOR, hydroxysteroid oxidoreductase.
HOR, hyperosmolarity-responsive.
HOR, rehydrated Hemoccult.
Hor-1, fucan sulfate isolated from the hot water extract of an edible brown alga, Sargassum horneri.
HOS, Hawaii Orthopaedic Society.
HOS, Hemoccult sensa.
HP, haptoglobin.
HP, hemipelvectomy.
HP, hot pack.
HP, hot-plate.
HPA, hypothalamo-pituitary-adrenocortical.
HPC, hematopoietic progenitor cells.
HPC-PEP, peplomycin emulsion in hydroxypropylcellulosum.
HPE, history and physical examination.
HPETE, hydroperoxyeicosatetraenoic acid.
HPF, high power field.
HPFH, hereditary persistence of fetal hemoglobin.
HPI, history of present illness.
HPL, Human Performance Laboratory.
hPL, human placental lactogen.
HPLC, high pressure (or performance) liquid chromatography.
HPMC, hydroxypropyl methylcellulose.
HPNS, high pressure neurologic syndrome.
HPP, hereditary pyropoikilocytosis.
HPSA, health professional shortage area.
HPT, hyperparathyroidism.
HPTR, hypoxanthine phosphoribosyltransferase.
HPV, Human Papilloma Virus.
HQoL, health-related quality of life.
HR, heart rate.
HR, high risk.
HR, hospital record.
Hr, hour.
HRDO, Human Resources Development Office.
HRF, homologous restriction factor (regulates C9).
HRIG, human rabies immunoglobin.
HRMS, Human Resources Management Systems.
HRP, horseradish peroxidase.
HRRR, heart regular rate and rhythm.
HRS, Hodgkin and Reed-Sternberg cells.
HRT, hormone replacement therapy.
HS purpura, Henoch-Schönlein purpura.
hs, h.s., hora somni - hours of sleep, at bedtime.
HS, heart sounds.
HS, hereditary spherocytosis.
Hs, hora somni.
HSA, human serum albumine.
hs-CRP, high-sensitivity C-reactive protein.
HSDA test, high solids anaerobic digestion test.
HSEL, Hemeselect.
HSG, hysterosalpingography.
HS-GC, head space gas chromatography.
HSIL, high squamous intraepithelial lesion.
HSP, Henoch-Schönlein purpura.
HSS, Hospital for Special Surgery.
HSV, herpes simplex virus.
HT, heart.
ht, height.
HT, hospital treatment.
HT, hypertension.
HT, hyperthyroidism.
HTLV-I, human T-cell lymphotropic virus types I.
HTMT, heptane carboxamide (an H1 receptor antagonist).
HTN, hypertension.
HTS, high throughput screening.
HUS, hemolytic uremic syndrome.
HUVEC, human umbilical vein endothelial cells.
HV, half-value.
HV, healthy volunteers.
HV, hepatic vein.
HV, herpes virus.
HV, home visit.
HV, hospital visit.
HV, hyperventilation.
HVA, homovanillic acid.
HVD, hypertensive vascular disease.
HVL, half-value layer.
HVO, Health Volunteers Overseas.
HW, healing well.
HW, hemodynamically weighted.
HWI, hazardous waste incinerator.
HWI, Hazardous Waste Index.
HWI, head-out water immersion.
HWI, Heart weight index.
HWI, Heart work index.
HWI, heartworm infection.
HWI, height-width index.
HWI, hemodynamically weighted imaging.
HWI, Hepatic weight index.
HWI, high water intake.
HWI, hip-waist index.
HWI, hot-water irrigation (was introduced as a treatment of epistaxis more than 100 years ago).
HWL, healthy way of life.
HWL, Heat-Withdrawal Latency.
HWL, height-width-length.
HWL, hindpaw withdrawal latency.
HWL, hybrid white leghorn.
HWL-12, 2-phenyl-3-(3’,5’-dimorpholinomethyl-4’-hydroxy)-benzoyl-indole.
HWP, hot wet pack.
HWT, H-wave therapy.
Hx, history.
HY, Hoehn and Yahr (scale).
HYP, hyperpneic.
hyp., hypodermic.
hypo, hypodermically.
Hz, Hertz (cycles per second).
HZT, high zone tolerance.
HZV, herpes zoster virus.

I&D, incision and drainage
I&E, internal and external.
I&O, intake and output (as for fluids).
I, isoleucine.
I.M., intramuscular
I.Q., intelligence quotient
I.V., IV, intravenous
IA, incurred accidentally.
IA, intra-arterial.
IA, invasive aspergillosis.
IABP, intra-aortic balloon pump
IAC, infinite amplitude clipping.
IAC, internal acoustic canal.
IACR, International Agency on Cancer Research.
IADH, inappropriate secretion of antidiuretic hormone.
IADHS, inappropriate secretion of antidiuretic hormone syndrome.
IAHL, infection-associated hemophagocytic lymphohistiocytosis.
IAHS, infection-associated hemophagocytic syndrome.
IAP, inhibitor of apoptosis.
IAPM, International Association of Medical Prosthesis Manufacturers.
IARC, International Agency for Research on Cancer.
IAS, Indian Arthroscopy Society.
IASLC, International Association for the Study of Lung Cancer.
IASP, International Association for the Study of Pain.
IBC, idiopathic bone cavity.
IBC, idiotype binding capacity.
IBC, immunoglobulin bearing cells.
IBC, incidence of bacteria-carrier.
IBC, indirect bilirubin concentrations.
IBC, inflammatory breast cancer.
IBC, Injury Behavior Checklist.
IBC, Inoue balloon catheter.
IBC, Institutional Biosafety Committee.
IBC, insulin binding capacity.
IBC, integrated backscatter coefficient.
IBC, Integrated Broadband Communication.
IBC, International BioClinical.
IBC, International Bioethics Committee (of UNESCO)
IBC, International Biophysics Corporation.
IBC, International Business Communications.
IBC, interval breast cancer (breast cancer diagnosed within 1 year of a negative annual screening examination)
IBC, intraductile breast cancer.
IBC, invasive bladder cancer.
IBC, invasive breast cancers.
IBC, iodine binding capacity.
IBC, ionophore of bivalent cations.
IBC, iron binding capacity.
IBC, isobutyl cyanoacrylate.
IBC, isobutylchloroformate.
IBD, inflammatory bowel disease.
IBG, iliac bone graft.
IBIDS syndrome, ichthyosis, brittle hair, impaired intelligence, decreased fertility, short stature.
IBMTR, International Bone Marrow Transplant Registry.
IBP, Ibuprofen.
IBS, irritable bowel syndrome.
IBSE, International Federated Body on Scoliosis Etiology.
IBW, ideal body weight.
IC, between meals.
IC, inspiratory capacity.
IC, intensive care.
IC, intracerebral.
ICAM, intercellular adhesion molecules.
ICAM-1, intercellular adhesion molecule 1 (endothelial cell adhesion molecule).
ICAO, International Civil Aviation Organization.
ICARE, International Cancer Alliance for Research and Education (ICARE).
ICASS, Internal Cooperative Agreement Support and Services.
ICBG, iliac crest bone graft.
ICC, inferior colliculus.
ICC, intensive coronary care.
ICCG, International Collaborative Cancer Group
ICCPO, Icelandic Childhood Cancer Parent Organisation.
ICCPO, International Confederation of Childhood Cancer Parent Organizations
ICCU, intensive coronary care unit.
ICD, implantable-cardioverter defibrillator.
ICD, International Statistical Classification of Disease, published by WHO.
ICD-10, International Classification of Diseases, 10th Revision, maintained by WHO.
ICD-9, International Classification of Diseases, 9th Revision, online sponsor: UCD Medical Informatics.
ICD-9-CM, International Classification of Diseases, 9th Revision, clinical modification.
ICDA, international classification of diseases, adapted.
ICD-O M, morphologic rubric of ICD-O.
ICD-O T, topographic rubric of ICD-O.
ICD-O, International Classification of Diseases for Oncology (coding system).
ICEID 2000, The International Conference on Emerging Infectious Diseases 2000.
ICER, incremental cost-effectiveness ratio.
ICF, informed consent form.
ICF, intensive care facility.
ICF, intermediate care facility.
ICF, intracellular fluid.
ICFX, intracapsular fracture.
ICH, human infantile cortical hyperostosis.
ICH, International Conference on Harmonization (GCP).
ICM, intercostal margin.
ICN, intensive care nursery.
ICOE, International Center for Orthopaedic Education (US).
ICP, intracranial pressure.
ICPA, International Chiropractic Pediatric Association.
ICRF, Imperial Cancer Research Fund (UK).
ICRS , International Cartilage Repair Society.
ICS, intercostal space.
ICSF, International College of Surgery of the Foot.
ICSI, intracytoplasmic sperm injection.
ICT, intermittent cervical traction.
ICU, intensive care unit.
ID, during the day.
ID, identification.
ID, ill defined.
ID, ineffective dose.
ID, infectious disease.
ID, internal diameter.
ID, intradermal.
IDA, iron deficiency anemia.
IDC, infiltrating ductal carcinoma.
IDC, interdigitating cells.
IDD, insulin dependent diabetes.
IDD, internal disc disruption.
IDDM, insulin-dependent diabetes mellitus, type I.
IDET, intradiscal electrothermal therapy.
IDK, internal derangement of the knee.
IDU, injection drug users.
IDW, ideal body weight.
IE, inner ear.
IEC, independant ethics committee.
IEC, Information, Education, and Communication.
IEEE, Institute of Electrical and Electronics Engineers.
IESS, Intergroup Ewing's Sarcoma Study (USA).
IFA, indirect immunofluorescent IgG antibody.
IFC, International Finance Corporation.
IFE, immunofixation electrophoresis.
IFG, impaired fasting glucose.
IFMBE, International Federation for Medical and Biological Engineering.
IFN, interferon.
IFOSA, International Federation of Spine Associations.
IFPOS, International Federation of Pediatric Orthopaedic Societies.
IFR, inspiratory flow rate.
IFSC, International Federation of Surgical Colleges (WHO non-governmental organizations).
IFSSH, International Federation of Societies for Surgery of the Hand.
IG, immature granulocyte.
IgA, immunoglobulin A.
IgD, immunoglobulin D.
IgE, immunoglobulin E.
IGF, insulin-like growth factor (somatomedin).
IGF, insulin-like growth factor.
IGFBP, insulin-like growth factor binding protein.
IGFBP-5, insulin-like growth factor-binding protein-5.
IgG, immunoglobulin G.
IGHD IB, isolated growth hormone deficiency type IB.
IgM, immunoglobulin M.
IgSF, Ig superfamily.
IGT, impaired glucose tolerance.
IGV, immunoglobulin variable region gene.
IH, infectious hepatitis
IH, interval history.
IHA, inhibition of hemagglutination.
IHC, immunohistochemistry.
IHC, Internet Healthcare Coalition.
IHD, ischemic heart disease.
IHR, intrinsic heart rate.
IHS, International Hip Society.
IHSS, idiopathic hypertrophic subaortic stenosis.
IID, insulin dependent diabetes.
IIF, indirect immunofluorescence.
IIS, Intergalactic Institute of Shoulderology.
IITS, International Intradiscal Therapy Society.
IL, ilio-lumbar.
IL, interleukine.
IL2, Interleukin2.
ILC, interstitial laser coagulation.
Ile, isoleucine.
ILL, intermediate lymphocytic lymphoma.
ILO, International Labor Office.
ILSG, International Lymphoma Study Group.
IM, infectious mononucleosis.
IM, internal medicine.
IM, intramedullary.
IM, intramuscular.
IMBC, indirect maximum breathing capacity.
Im-DCH-beta-Gal, O-[4-(1-imidazolyl)butyl]-2,3-dicyano-1,4-hydroquinonyl beta-D-galactopyranoside.
IME, independent medical examiner.
IMF, International Monetary Fund.
IMF, International Myeloma Foundation.
IMHO, in my humble opinion.
IMI, Imipramine (Tofranil).
IMI, intramuscular injection.
IMLAS, International Musculoskeletal Laser Society.
IM-like, infectious mononucleosis-like.
IMM, immediate.
IMM, immobilize.
IMM, immunize.
IMMC, interdigestive migratory motor complex.
IMO, in my opinion.
IMP, immuno magnetic particles.
Imp, impression.
IMP, improved.
IMP, inosine 5'-monophosphate.
IMPOX, immunoperoxidase.
IMRI, Interventional Magnetic Resonance Imaging.
IM-ROD, intramedullary rod.
IMRT, intensity-modulated radiotherapy.
IMS, immunomagnetic separation.
INC, incomplete.
INC, inconclusive.
INC, increase.
INCB, International Narcotics Control Board of United Nations.
IND, independent.
IND, Indomethacin.
IND, investigational new drug (see FDA).
INF, infant.
INF, infarction.
INF, infected.
INF, inferior.
Inf., infusion.
INFA, International Neurofibromatosis Association.
INH, isoniazid.
INJ, inject; injection.
INJ, injury.
INK, injury not known.
INL, International Narcotics and Law Enforcement Affairs Bureau (DOS).
iNO, inhaled nitric oxide.
INR, intermittent.
INR, International Normalized Ratio (standard of care for the management of anticoagulation).
INR, interval.
INS, Immigration and Naturalization Service.
INS, insulin.
INS, insurance.
InsP(3), inositol 1,4,5-trisphosphate.
INSS, International Neuroblastoma Staging System.
int, internal.
Int., internal.
Intra, inside (e.g. intracavitary); during (e.g. intraoperative = during surgery).
IO, inferior oblique.
IO, intestinal obstruction.
IOA, Indian Orthopaedic Association.
IOFB, intraocular foreign body.
IOM, interosseous membrane.
IOP, intraocular pressure.
IORT, intraoperative radiotherapy.
IOU, intensive therapy observation unit.
IP, interphalangeal.
IP, intra-peritoneal.
IP3, inositol-1,4,5,-triphsophate.
IPA, 5-(N-methyl-N-isopropyl) amiloride.
IPA, idiopathic premature adrenarche.
IPA, iInvasive pulmonary aspergillosis.
IPA, immunoprecipitation assay.
IPA, Independent Practice Associations.
IPA, indices of platelet activation.
IPA, Indol-3-pyruvic acid.
IPA, Indole-3-propionic acid.
IPA, inferior phrenic artery.
IPA, infiltrating pancreatic ductal adenocarcinoma.
IPA, Information Processing Ability.
IPA, inherited paternal HLA antigens.
IPA, integrated pulse amperometry.
IPA, interference pattern analysis.
IPA, International Paediatric Association.
IPA, International Pharmaceutical Abstracts.
IPA, intimate partner abuse.
IPA, intralobar pulmonary arteries.
IPA, intraperitoneal.
IPA, intrapulmonary arteries.
Ipa, invasion plasmid antigens proteins.
IPA, iodo-l-phenylalanine.
IPA, ipamorelin.
IPA, irrigation pipe-associated.
IPA, isopropyl alcohol.
IPA, isopropylamine.
IPA, Isopropylantipyrine.
Ipa, pasiniazid.
IPA-EST, indophenyl acetate esterase.
IPC(foot), intermittent pneumatic foot compression.
IPC, in-process control.
IPE, iris pigment epithelium.
IPI, international prognostic index.
IPK, isolated perfused rat kidney.
IPOP, immediate postsurgical prosthetics.
IPPA, inspection, palpation, percussion, auscultation.
IPPB, intermittent positive pressure breathing.
IPPO, intermittent positive-pressure inflation with oxygen.
IPPR, intermittent positive pressure respiration.
IPPS, Independent Power Producers.
IPPV, intermittent positive pressure ventilation.
IPRAF, International Plastic, Reconstructive and Aesthetic Foundation.
IPRAS, International Confederation for Plastic, Reconstructive and Aesthetic Surgery.
IPSID, immunoproliferative small intestinal disease.
IPSM, Institute for Preventative Sports Medicine.
IPSP, inhibitory postsynaptic potential.
IPSP, The Italian Prognostic System Project.
IPTG, isoproylthiogalactoside.
IPV, inactivated poliovirus vaccine.
IPX, immunoperoxidase.
IPx, impaired glucose tolerance.
IPx, phosphoinositide.
IQ, intelligence quotient.
IQC, instrument quality control.
IR, immunoreactive.
IR, infrared.
IR, internal rotation.
IR, intracellular receptor.
Ir, iridium.
IRB, institutional review board.
IRBBB, incomplete right bundle-branch block.
IRE, internal rotation in extension.
IRF, internal rotation in flexion.
IRI, immunoreactive insulin.
IRMA, intraretinal microvascular abnormalities.
IRS, Internal Revenue Service.
IRSSD, International Research Society for Spinal Deformities.
IS, in situ.
IS, intercostal space.
ISA, intrinsic sympathomimetic activity.
ISAC, International Society for Analytical Cytology.
ISAG, International Society for Animal Genetics.
ISAK, International Society for the Advancement of Kinathropometry.
ISAKOS, International Society of Arthroscopy, Knee Surgery, and Orthopaedic Sports Medicine (also: AAOS Specialty Societies).
ISAZ, International Society for Anthrozoology.
ISB, International Society of Biomechanics.
ISBS, International Society of Biomechanics in Sports.
ISC, instrument standardization and calibration.
ISCAS, International Society for Computer Aided Surgery.
ISDRF, International Spinal Development & Research Foundation.
ISEP, International Society of Educators in Physiotherapy.
ISG, immune serum globulin.
ISG, International Shoulder Group.
ISH, in situ hybridization.
ISH, isolated systolic hypertension.
ISHLT, the International Society for Heart and Lung Transplantation.
ISI, international sensitivity index.
ISIS, International Spinal Injection Society.
ISL, interscapular line.
ISM, indolent systemic mastocytosis.
ISMISS, International Society for Minimal Intervention in Spinal Surgery.
ISO, isoflurane.
ISOST, Internet Society of Orthopaedic Surgery and Traumatology.
ISP, intraocular silicone prosthesis.
ISPO, International Society for Prosthetics and Orthotics.
ISR, induced systemic resistance.
ISS, Integrated Summary of Safety.
ISS, International Society of Surgery.
ISSC, investigative site support center.
ISSI, Interview Schedule of Social Integration.
IST, insulin shock therapy.
IT, idiopathic thrombocythemia.
IT, individual therapy.
IT, inhalation therapy.
IT, intensive therapy.
IT, intermediate trophoblast.
IT15,-interesting transcript 15 in Hungtington disease
ITB, iliotibial band.
ITC, interagency testing committee.
ITP, idiopathic thrombocytopenic purpura.
ITP, ion transport peptide.
ITs, immunotoxins.
ITT, internal tibial torsion.
ITT, interstitial tumor therapy.
ITU, Intensive Therapy Unit.
IU, immunizing unit, international units.
IU, intrauterine.
IUCD, intra-uterine contraceptive device.
IUD, intrauterine device.
IUGR, intrauterine growth retardation.
IUP, intrauterine pregnancy.
IUT, intrauterine transfusion.
IV, in vitro.
IV, in vivo.
IV, intervertebral.
IV, intravascular.
Iv, intravenous, intravenous line.
IV, intravenous.
IVC, inferior vena cava.
IVC, intravenous cholangiography.
IVC, isovolumic contraction.
IVD, intervertebral disc.
IVDA, intravenous drug addict.
IVDU, intravenous drug use/user.
IVF, in vitro fertilization.
IVH, intrafascial vaginal hysterectomy.
IVH, intravenous hyperalimentation.
IVH, intraventricular hemorrhage.
IVI, intravenous injection.
IVIG, intravenous immunoglobulin.
IVJC, intervertebral joint complex.
IVP, intravenous pyelogram.
ivpb, intravenous piggyback infusion.
IV-QAR, in vitro quantitative autoradiography.
IVR, idioventricular rhythm.
IVR, iliac vascular resistance.
IVR, immersive virtual reality.
IVR, in vitro released.
IVR, in vivo recovery.
IVR, inhibitor of virus replication.
IVR, interactive voice response.
IVR, intermediate view reprojection.
IVR, intervascular ridging.
IVR, interventional radiology.
IVR, interventional vascular radiology.
IVR, intestinal vascular resistance.
IVR, intramolecular vibrational energy redistribution.
IVR, intrarenal vascular resistance.
IVR, intravaginal ring.
IVR, intravenous regimen.
IVR, intraventricular reentry.
IVR, inverted repeats.
IVR, in-vitro-retinae.
IVR, isovolumetric regulation.
IVR, isovolumic relaxation.
IVR, ivermectin.
IVRA, intravenous regional anesthesia.
IVR-OD, inverted repeat outer domain.
IVSD, interventricular septal defect.
IVU, intravenous urography.
IVUS, intravascular ultrasonography.
IvVD, intravenous administration of high and intermittent doses of calcitriol.
IW, infarction weight.
IWMF, International Waldenstrom's Macroglubulinemia Foundation.

JAAD, Journal of the American Academy of Dermatology.
JAAOS, Journal of the American Academy of Orthopaedic Surgeons.
JAB, Journal of Applied Biomechanics.
JACS, Journal of the American College of Surgeons.
Jak(s), Janus kinase(s).
JAMA, Journal of the American Medical Association.
JAOA, Journal of the American Osteopathic Association.
JBJS, Journal of Bone and Joint Surgery (UK).
JBJS, Journal of Bone and Joint Surgery (US).
JBMR, Journal of Back and Musculoskeletal Rehabilitation.
JCAHO, Joint Commission on Accreditation of Healthcare Organizations.
JCD, Jakob-Creutzfeldt disease.
JCO, Journal of Clinical Oncology.
JCOA, Japanese Clinical Orthopedic Association (Japanese only).
JCT, junction.
JHS, Journal of Hand Surgery (US).
JJ, jaw jerk.
JJC, The Japanese Joint Committee.
JNC, Joint National Committee.
JND, just noticeable difference.
JNMS, Journal of Musculoskeletal System.
JOA, Japanese Orthopaedic Association (UMIN: Japanese only).
JOCD, juvenile osteochrondritis dissecans.
JOS, Internet Journal of Orthopaedic Surgery and related subjects.
JOSPT, Journal of Orthopaedic and Sports Physical Therapy.
JOT, Journal of Orthopaedic Trauma.
JPO, Journal of Prosthetics and Orthotics.
JRA, juvenile rheumatoid arthritis.
JSCAS, Japan Society for Computer Aided Surgery (only Japanese).
JSN, joint space narrowing.
JSOA, Journal of the Southern Orthopaedic Association.
JSR, Journal of Sport Rehabilitation.
JSS, Junior Secondary School.
JT, joint.
JUV, juvenile.
JV, jugular vein.
JV, jugulovenous.
JVD, jugular-venous distension.JVP, jugular venous pressure; jugular venous pulse