Abbreviation |
Interpretation |
| L | left |
| length | |
| liter | |
| lumen | |
| long | |
| large | |
| liver | |
| lumbar | |
| liquid | |
| L' | lumbar |
| LA | latex agglutination |
| left atrium | |
| Latin American | |
| low aptitude | |
| left arm | |
| left atrial | |
| lactic acid | |
| light adaptation | |
| lives alone | |
| local anesthesia | |
| long acting | |
| LAB | laboratory |
| LABA | laser-assisted ballon angioplasty |
| LAC | laceration |
| left antecubital | |
| left atrial catheter | |
| LAD | laser anesthesia device |
| left anterior descending | |
| left atrial dimension | |
| left axis deviation | |
| lactic acid dehydrogenase | |
| LAE | left atrial enlargement |
| LAF | laminar air flow |
| laugh | |
| LAG | lymphangiogram |
| lagging | |
| LAH | left anterior hemiblock |
| left atrial hypertrophy | |
| LAI | left atrial isomerism |
| leukocyte adherence inhibition | |
| LAK | lymphokine-activated killer |
| LAL | left axillary line |
| Laugh a little / lot | |
| LAM | lactational anovulatory method |
| laminectomy | |
| laminogram | |
| LAN | Local Area Network |
| lymphadenopathy | |
| LAO | left anterior oblique |
| lower airway obstruction | |
| left anterior oblique | |
| long acting opioid | |
| LAP | laparoscopy |
| laparotomy | |
| left abdominal pain | |
| left atrial pressure | |
| LAQ | Lame Ass Quote |
| LAR | laryngeal adductor reflex |
| left arm, reclining | |
| late airway response | |
| larynx | |
| long-acting release | |
| low anterior resection | |
| LAS | lactic acidosis syndrome |
| low alcohol sensitivity | |
| laxative abuse syndrome | |
| left arm, sitting | |
| LAT | lateral |
| latex agglutination test | |
| left anterior thigh | |
| LAUP | laser-assisted uvula-palatoplasty |
| LAV | lymphadenopathy associated virus |
| left atrial volume | |
| LAW | left atrial wall |
| Low Alcohol Withdrawal | |
| LAX | laxative |
| LB | large bowel |
| lateral bend | |
| left breast | |
| left buttock | |
| liver biopsy | |
| live births | |
| low back | |
| lewy bodies | |
| lung biopsy | |
| lb | pound |
| L & B | left and below |
| LBA | laser balloon angioplasty |
| LBB | left bundle branch |
| left breast biopsy | |
| LBC | liquid-based cytology |
| load-bearing capacity | |
| LBD | large bile duct |
| left border dullness | |
| low back disorder | |
| left brain-damaged | |
| Lewy body dementia | |
| low back disability | |
| low bone density | |
| LBH | length, breadth, and height |
| LBI | Lewy body-like inclusions |
| low back injury | |
| LBM | lean body mass |
| loose bowel movement | |
| last bowel movement | |
| LBNA | lysis bladder neck adhesions |
| LBO | large bowel obstruction |
| LBP | low back pain |
| LBQC | large base quad cane |
| LBRF | louse-borne relapsing fever |
| LBS | low back syndrome |
| lumbar back strain | |
| LBT | low back tenderness |
| LBV | left brachial vein |
| LBW | lean body weight |
| low birth weight | |
| LC | laparoscopic |
| laparoscopic cholecystectomy | |
| large cell | |
| left circumflex | |
| lung cancer | |
| living children | |
| lethal concentration | |
| liquid condensed | |
| liver cirrhosis | |
| left circumflex | |
| light chain | |
| level of consciousness | |
| low calorie | |
| L & C | lids and conjunctivae |
| LCA | left circumflex artery |
| left coronary artery | |
| LCB | left costal border |
| LCC | left circumflex coronary |
| liver cell carcinoma | |
| LCD | lattice corneal dystrophy |
| low-calcium diet | |
| LCE | laparoscopic cholecystectomy |
| left carotid endarterectomy | |
| LCF | least common factor late clinical failure |
| LCGU | local cerebral glucose utilization |
| LCH | Langerhans cell histiocytosis |
| local city hospital | |
| LCIS | lobular cancer in situ |
| LCLC | large-cell lung carcinoma |
| LCM | left costal margin |
| lymphocytic choriomeningitis | |
| LCN | left caudate nucleus |
| LCO | low cardiac output |
| LCP | late chronic phase |
| lectin complement pathway | |
| lung colonization potential | |
| LCR | late cutaneous reaction |
| laparoscopic colon resection | |
| late cortical response | |
| LCS | lids, conjunctiva, and sclera |
| low constant suction | |
| LCT | long-chain triglyceride |
| LCV | large cell variant |
| leucovorin | |
| LCX | left circumflex artery |
| LD | lactic dehydrogenase |
| lyme disease | |
| liver disease | |
| laser doppler | |
| last dose | |
| limited disease | |
| learning disorder | |
| left deltoid | |
| lethal dose | |
| loading dose | |
| L & D | labor and delivery |
| L/D | labor and delivery |
| LDA | left displaced abomasum |
| low dose aspirin | |
| low density areas | |
| LDB | Legionnaires disease bacterium |
| LDCOC | low-dose combination oral contraceptive |
| LDD | laser disk decompression |
| local drug delivery | |
| low dose dopamine/dobutamine | |
| lumbar disk disease | |
| LDEA | left deviation of electrical axis |
| LDF | laser-Doppler flowmetry |
| laser Doppler flow | |
| LDH | lactic dehydrogenase |
| LDL | low-density lipoprotein |
| LDM | lactate dehydrogenase, muscle |
| low-density microsomes | |
| LDN | laparoscopic donor nephrectomy |
| Licensed Dietitian/Nutritionist | |
| LDO | Licensed Dispensing Optician |
| LDP | laparoscopic distal pancreatectomy |
| language development program | |
| LDR | labor, delivery, and recovery |
| low dose rate | |
| LDS | Language Development Survey |
| LDT | late distal tubule |
| low dose test | |
| LDUB | long double upright brace |
| LDV | laser-Doppler vibrometer |
| lactate dehydrogenase virus | |
| LE | Lupus erythematosus |
| left ear | |
| left eye | |
| live embryo | |
| local excision | |
| lower extremities | |
| leg extension | |
| LEA | lower extremity amputation |
| LEAD | lower extremity arterial disease |
| Longitudinal, Expert, All Data | |
| LEB | lumbar epidural block |
| Life Expectancy at Birth | |
| LEC | lens epithelial cell |
| lower esophageal contractility | |
| LED | leucocyte esterase dipstick |
| lowest effective dose | |
| lower extremity disease | |
| LEE | lower extremity edema |
| Level of Expressed Emotion | |
| Liver enzyme elevation | |
| LEF | lower extremity fracture |
| late expression factor | |
| LEH | liposome-encapsulated hemoglobin |
| linear enamel hypoplasia | |
| LEJ | ligation of the esophagogastric junction |
| LEL | low-energy laser |
| late embryonic lethality | |
| LEM | lateral eye movements |
| low-electrolyte meal | |
| LEP | lower esophageal pressure |
| laser evoked potential | |
| leptospirosis | |
| LES | local excitatory state |
| lower esophageal sphincter | |
| LET | leukocyte esterase test |
| lidocaine, epinephrine and tetracaine | |
| LEU | leucine |
| LEV | levamisole |
| level | |
| LF | left foot |
| Lassa fever | |
| left foot | |
| left frontal | |
| low flow | |
| living female | |
| low fat | |
| LFA | left femoral artery |
| left forearm | |
| LFB | lateral forebrain bundle |
| LFC | lateral femoral condyle |
| living female child | |
| low fat and cholesterol | |
| LFD | lactose-free diet |
| low-fat diet | |
| low-fiber diet | |
| LFGNR | lactose fermenting gram-negative rod |
| LFI | local-field irradiation |
| low-flow ischemia | |
| LFL | Left Front Leg |
| LFP | late follicular phase |
| LFS | leukemia-free survival |
| LFT | liver function tests |
| Lung function tests | |
| latex flocculation test | |
| LG | large |
| low grade | |
| left gluteal | |
| lacrimal glands | |
| low glucose | |
| LGA | large for gestational age |
| left gastric artery | |
| LGBT | lesbian, gay, bisexual, and transgender |
| LGG | low-grade gliomas |
| LGI | low glycemic index |
| lower gastrointestinal | |
| LGL | large granular lymphocyte |
| low-grade lymphoma | |
| LGM | left gluteus medius |
| LGN | lateral geniculate nucleus |
| lupus glomerulonephritis | |
| LGS | Lennox-Gastaut syndrome |
| lacrimal glands | |
| LGV | lymphogranuloma venerum |
| left gastric vein | |
| LH | luteinizing hormone |
| left hand | |
| left hemisphere | |
| Light Headed | |
| loop of Henle | |
| LHA | left hepatic artery |
| lateral hypothalamic area | |
| LHB | long head of the biceps |
| left heart bypass | |
| LHC | left heart catheterization |
| LHD | left-hand dominant |
| lateral head displacement | |
| LHF | left heart failure |
| LHG | left hand grip |
| LHL | left hemisphere lesions |
| left hepatic lobe | |
| LHON | Leber hereditary optic neuropathy |
| LHP | left hemiparesis |
| latent hypoparathyroidism | |
| late hyperpolarizing potential | |
| LHR | laparoscopic hernia repair |
| LH receptors | |
| leukocyte histamine release | |
| legal health record | |
| LHS | left heart strain |
| left hand side | |
| LHT | lateral hypothalamic |
| left hypertropia | |
| LI | lactose intolerance |
| large intestine | |
| low-intensity | |
| learning impaired | |
| Li | lithium |
| LIA | lymphocyte-induced angiogenesis |
| latex immunoassay | |
| LIC | left iliac crest |
| large intestinal cancer | |
| left internal carotid | |
| LID | levodopa-induced dyskinesia |
| lidocaine | |
| Lido | lidocaine |
| LIF | laser-induced fluorescence |
| left iliac fossa | |
| leukocyte inhibitory factor | |
| left index finger | |
| LIG | ligament |
| LIH | left inguinal hernia |
| laparoscopic inguinal herniorrhaphy | |
| LIJ | left internal jugular |
| LILA | low impulsiveness, low anxiety |
| LIM | limited |
| LIN | liquid nitrogen |
| LIO | laser-indirect ophthalmoscope |
| left inferior oblique | |
| LIP | lipase |
| lithium-induced polydipsia | |
| lipoic acid | |
| LIQ | liquid |
| LIR | left iliac region |
| left inferior rectus | |
| LIS | late-onset idiopathic scoliosis |
| left intercostal space | |
| low intermittent suction | |
laboratory information system |
|
| LIT | liver injury test |
| literature | |
| little | |
| LIV | left innominate vein |
| live | |
| liver | |
| LIVC | left inferior vena cava |
| LIWS | low intermittent wall suction |
| LJ | left jugular |
| LJM | limited joint mobility |
| LK | left kidney |
| leukoplakia | |
| LKSB | liver, kidneys, spleen, and bladder |
| LL | left leg |
| left lung | |
| lower lip | |
| leg length | |
| laser lithotripsy | |
| lower lid | |
| lower limb | |
| lower lobe | |
| lymphocytic leukemia | |
| LLAT | left lateral |
| LLE | left lower extremity |
| LLG | left lateral gaze |
| LLI | leg-length inequality |
| LLL | left lower lid |
| left lower lobe | |
| LLN | lower limit of normal |
| LLOD | lower lid, right eye |
| LLOS | lower lid, left eye |
| LLPS | low-load prolonged stress |
| liquid-liquid phase separation | |
| LLQ | left lower quadrant |
| LLR | left lumbar region |
| large local reaction | |
| left lateral rectus | |
| LLRE | lower lid, right eye |
| LLS | lipopolysaccharide-like substance |
| LLT | left lateral thigh |
| lipid-lowering therapy | |
| LLX | left lower extremity |
| LM | left main |
| laryngeal mask | |
| light microscopy | |
| living male | |
| lateral meniscus | |
| lung metastases | |
| L/M | liters per minute |
| LMA | laryngeal mask airway |
| LMB | left main bronchus |
| LMC | Large mononuclear cells |
| living male child | |
| lung mast cells | |
| LMD | local medical doctor |
| LME | Leukocyte migration enhancement |
| left mediolateral episiotomy | |
| LMF | lymphocyte mitogenic factor |
| left middle finger | |
| LMI | leukocyte migration inhibition |
| large multivalent immunogen | |
| L/min | liters per minute |
| LML | left middle lobe |
| eft medial lateral | |
| LMM | lentigo maligna melanoma |
| low molecular mass | |
| LMN | lower motor neuron |
| LMP | last menstrual period |
| low malignant potential | |
| lumbar puncture | |
| LMR | left medial rectus |
| LMS | lateral medullary syndrome |
| left main stem | |
| LMT | lateral meniscus tear |
| left main trunk | |
| leukocyte migration test | |
| LMW | low molecular weight |
| LN | latent nystagmus |
| length | |
| liquid nitrogen | |
| left nostril | |
| lymph node | |
| LNA | latent nuclear antigen |
| linolenic acid | |
| LNB | lymph node biopsy |
| LNC | Legal Nurse Consultant |
| lymph node cell | |
| LND | lymph node dissection |
| LNE | lymph node enlargement |
| lymph node excision | |
| LNF | laparoscopic Nissen fundoplication |
| LNG | levonorgestrel |
| LNM | lymph node metastases |
| LNS | lymph node sampling |
| Limited Nursing Services | |
| LNT | late neurological toxicity |
| LNU | laparoscopic nephroureterectomy |
| LNV | last normal vertebra |
| LO | lateral oblique |
| lockout | |
| late onset | |
| linguo-occlusal | |
| lumbar orthosis | |
| LOA | level of activity |
| leave of absence | |
| late-onset agammaglobulinemia | |
| LOB | loss of balance |
| lobular | |
| LOC | loss of consciousness |
| laxative of choice | |
| level of care | |
| loss of control | |
| level of comfort | |
| level of consciousness | |
| LOD | limit of detection |
| LOE | lack of evidence |
| left otitis externa | |
| LOF | Level of functioning |
| leaking of fluids | |
| LOH | loss of heterozygosity |
| loop of henle | |
| late-onset hypogonadism | |
| LOIH | left oblique inguinal hernia |
| LOI | level of injury |
| LOL | left occipitolateral |
| lonely old Lady | |
| LOM | left otitis media |
| loss of memory | |
| limitation of motion | |
| loss of motion | |
| LOO | length of operation |
| leave-one-out | |
| LOP | laparoscopic orchiopexy |
| left occiput posterior | |
| level of pain | |
| level of processing | |
| LOQ | limit of quantitation |
| lower outer quadrant | |
| LOR | loss of resistance / response |
| lorazepam | |
| LOS | length of stay |
| loss of sight | |
| low-output syndrome | |
| LOT | lateral olfactory tract |
| left occiput transverse | |
| LOV | loss of vision |
| LOX | lipid oxidation |
| lipoxygenase | |
| LOZ | lozenge |
| LP | lumbar puncture |
| luteal phase | |
| lamina propria | |
| low potency | |
| latency period | |
| Licensed Psychologist | |
| light perception | |
| lipoprotein | |
| low protein | |
| L/P | lactate-pyruvate ratio |
| lidocaine and prilocaine | |
| LPA | left pulmonary artery latex particle agglutination |
| LPC | late positive complex |
| Licensed Professional Counselor | |
| laser photocoagulation | |
| LPD | luteal phase defect |
| low-protein diet | |
| LPEP | left pre-ejection period |
| LPF | lymphocytosis-promoting factor |
| liver plasma flow | |
| LPH | left posterior hemiblock |
| lipotropic pituitary hormone | |
| LPI | left posterior-inferior |
| laser peripheral iridectomy | |
| LPL | laparoscopic pelvic lymphadenectomy |
| left posterolateral | |
| lipoprotein lipase | |
| low power laser | |
| LPM | liver plasma membrane |
| latent primary malignancy | |
| LPN | Licensed Practical Nurse |
| LPO | left posterior oblique |
| lipid peroxidation | |
| LPPC | leukocyte-poor packed cells |
| LPR | laryngopharyngeal reflux |
| lactate-pyruvate ratio | |
| late phase reaction | |
| LPT | Licensed Physical Therapist |
| lymphocyte proliferation test | |
| LPV | left portal vein |
| LPZ | lateral peripheral zone |
| LQTS | long QT syndrome |
| LR | lactated Ringers |
| left-right | |
| labor room | |
| linear response | |
| laser resection | |
| lateral rectus | |
| light reflex | |
| L & R | left and right |
| LRA | left radial artery |
| left renal artery | |
| LRC | lower rib cage |
| leukocyte receptor complex | |
| Licensed Rehabilitation Counselor | |
| Lipid Research Clinic | |
| LRD | limb reduction defects |
| living-related donor | |
| lower respiratory tract disease | |
| LRE | leukemic reticuloendotheliosis |
| localization-related epilepsy | |
| LRF | LH-releasing factor |
| Lymphoma Research Foundation | |
| left rectus femoris | |
| LRHT | living-related hepatic transplantation |
| LRI | lower respiratory infection |
| lymphocyte reactivity index | |
| LRM | left radical mastectomy |
| LRN | lateral reticular nucleus |
| laparoscopic radical nephrectomy | |
| LRO | long-range objective |
| LRP | lichen ruber planus |
| leukocyte-rich plasma | |
| laparoscopic radical prostatectomy | |
| LRQ | lower right quadrant |
| LRR | light reflection rheography |
| leucine-rich repeat | |
| LRS | lactated Ringer solution |
| likelihood ratios | |
| LRT | living renal transplant |
| laryngeal reaction time | |
| lower respiratory tract | |
| LRV | left renal vein |
| log reduction value | |
| LRZ | lorazepam |
| LS | left side |
| liver scan | |
| loose stool | |
| light sleep | |
| lumbosacral | |
| laparoscopic surgery | |
| lung sounds | |
| L/S | lecithin-sphingomyelin ratio |
| L & S | ligation and stripping |
| liver and spleen | |
| LSA | left subclavian artery |
| lymphosarcoma | |
| left sacrum anterior | |
| LSAS | Liebowitz Social Anxiety Scale |
| lymphosarcomas | |
| LSB | left scapular border |
| left sternal border | |
| lumbar spinal block | |
| LSC | least significant change |
| lichen simplex chronicus | |
| last sexual contact | |
| late systolic click | |
| left subclavian | |
| leukemic stem cell | |
| LSD | lysergic acid diethylamide |
| lysosomal storage disease | |
| least significant difference | |
| low-salt diet | |
| LSE | local side effects |
| left sternal edge | |
| least squares error | |
| low self-esteem | |
| LSF | low-saturated fat |
| least-squares fit | |
| lung surfactant factor | |
| LSH | laparoscopic supracervical hysterectomy |
| lutein-stimulating hormone | |
| LSI | life satisfaction index |
| lumbar spine index | |
| limb salvage index | |
| LSK | liver, spleen, and kidneys |
| LSL | left sacrolateral |
| left short leg | |
| LSM | laser scanning microscope |
| late systolic murmur | |
| least square mean | |
| LSO | left superior oblique |
| lumbosacral orthosis | |
| LSP | left sacrum posterior |
| liver-specific protein | |
| life span | |
| lumbar spine | |
| L-spine | lumbar spine |
| LSQ | Life Satisfaction Questionnaire |
| Life Situation Questionnaire | |
| LSR | laser skin resurfacing |
| laparoscopic sigmoid resection | |
| light sarcoplasmic reticulum | |
| limb salvage rate | |
| left superior rectus | |
| L/S ratio | lecithin/sphingomyelin ratio |
| LSS | limb-sparing surgery |
| Life Span Study | |
| lumbar spinal stenosis | |
| liver-spleen scan | |
| life saving skills | |
| LST | Life skills training |
| life-sustaining treatment | |
| lateral spreading tumor | |
| laterally spreading tumor | |
| left sacrum transverse | |
| Laser scanning tomography | |
| LSU | life support unit |
| LSV | lesser saphenous vein |
| lateral sacral vein | |
| lleft subclavian vein | |
| LSW | Licensed Social Worker |
| left-side weakness | |
| LT | laboratory technician |
| less than | |
| light touch | |
| left | |
| left thigh | |
| left triceps | |
| laser therapy | |
| lag time | |
| LTA | laser thermal ablation |
| life-threatening asthma | |
| LTB | labeled TSH binding |
| laparoscopic tubal banding | |
| LTC | long-term care |
| life-threatening conditions | |
| LTD | largest tumor dimension |
| leg transfer device | |
| Liver Transplantation Database | |
| long-term depression | |
| long-term disability | |
| LTE | less than effective |
| left temporal lobe epilepsy | |
| LTF | lactotransferrin |
| late treatment failure | |
| lost to follow-up | |
| LTG | lamotrigine |
| long-term goal | |
| low tension glaucoma | |
| LTH | left total hip |
| luteotropic hormone | |
| local tumor hyperthermia | |
| Language Therapy | |
| LTK | laser thermal keratoplasty |
| LTL | laparoscopic tubal ligation |
| left temporal lobe | |
| left temporal lobectomy | |
| LTM | long-term memory |
| long-term monitoring | |
| lean tissue mass | |
| LTNPS | long-term nonprogressors |
| LTOT | long-term oxygen therapy |
| LTP | long term potentiation |
| laser trabeculoplasty | |
| Laryngotracheoplasty | |
| LTR | long terminal repeats |
| Lichenoid tissue reaction | |
| local twitch response | |
| laryngotracheal reconstruction | |
| lower trunk rotation | |
| LTS | laparoscopic tubal sterilization |
| long-term survival | |
| Leukotrienes | |
| low-threshold spike | |
| laryngotracheal stenosis | |
| least trimmed squares | |
| LTT | lactose tolerance test |
| LTUI | low transverse uterine incision |
| LTV | long-term variability |
| long-term ventilation | |
| LTX | liver transplant |
| LU | left upper |
| laparoscopic ultrasound | |
| left ureteral | |
| L & U | lower and upper |
| LUA | left upper arm |
| LUD | left uterine displacement |
| LUE | left upper extremity |
| LUL | left upper lid |
| left upper lobe | |
| left upper limb | |
| LUNA | Laparoscopic uterine nerve ablation |
| laparoscopic uterosacral nerve ablation | |
| LUQ | left upper quadrant |
| LUS | laparoscopic ultrasonography |
| lower uterine segment | |
| LUT | lower urinary tract |
| luteal | |
| LV | left ventricle |
| lateral ventricle | |
| lassa virus | |
| lung volume | |
| lumbar vertebrae | |
| live virus | |
| LVA | left ventricular aneurysm |
| left vertebral artery | |
| left visual acuity | |
| LVC | laser vision correction |
| Left ventricular cavity | |
| left ventricular contraction | |
| loss of verbal contact | |
| LVAD | left ventricular assist device |
| LVAS | left ventricular assist system |
| LVBP | left ventricle bypass pump |
| LVD | left ventricular dysfunction |
| left ventricular dimension | |
| LVE | left ventricular enlargement |
| lateral vestibular nucleus | |
| left ventricular ejection | |
| LVF | left ventricular failure |
| left visual field | |
| LVG | left ventriculogram |
| LVH | left ventricular hypertrophy |
| LVID | left ventricular internal diameter |
| LVL | large volume leukapheresis |
| left vastus lateralis | |
| LVM | left ventricular mass |
| LVN | Licensed Vocational Nurse |
| lateral vestibular nucleus | |
| Licensed Visiting Nurse | |
| LVO | left ventricular output/outflow |
| LVP | left ventricular pressure |
| large volume paracentesis | |
| left ventricular pacing | |
| lysine vasopressin | |
| large volume parenteral | |
| LVR | left ventricular remodeling |
| limb vascular resistance | |
| lung volume reduction | |
| LVS | left ventricular strain |
| live vaccine strain | |
| LVT | Licensed Veterinary Technician |
| left ventricular tension | |
| left ventricular thrombi | |
| LVV | left ventricular volume |
| live varicella vaccine | |
| LVW | left ventricular wall |
| LW | lacerating wound |
| living will | |
| LWAQ | Living with Asthma Questionnaire |
| LWCT | Lee-White clotting time |
| LWBS | left without being seen |
| LWC | leave without consent |
| lung water concentration | |
| LWD | Leri-Weill dyschondrosteosis |
| LWP | lateral wall pressure |
| LX | Lumpectomy |
| lower extremity | |
| LXC | laxative of choice |
| LYCD | live-yeast cell derivative |
| LYEL | lost-years of expected life |
| LYG | lymphomatoid granulomatosis |
| life-year gained | |
| LYM | lymphocytes |
| lymphs | lymphocytes |
| LYS | life years saved |
| lysine | |
| lytes | electrolytes |
| LZ | lorazepam |
| lozenge | |
| LZP | lorazepam |
Medical Abbreviations – L
