List circumstances that may produce falsenegative or falsepositive laboratory results. Common laboratory values university of rochester medical center. And increase in hgb concentration means the patient is polycythemic. This book should be of help to nursing in understanding some of the more common tests which are conducted. Normal laboratory values msd manual professional edition. It contains the test names, normal values, specimen types and sizes as well as descriptions for the patient preparation, special precautions, test descriptions and clinical significance. Laboratory values see inside back cover for continuation. It is also used as a sensitive screening test for occult alcoholism. Of the % of tests that we could not map, nearly 60% were due to test names whose. Utilize clinical laboratory data to monitor various disease states.
Such variables include the population studied, the duration and means of. Normal lab values gives both nonmedical readers and health professionals a fastnavigable and clearly structured overview of the main routine laboratory parameters and possible causes of their increase. We were able to map 87% of the unique laboratory tests that cover 94% of the total number of laboratory tests results. Interpretation of clinical laboratory data pharmacy student. Common lab tests and normal values free pdf ebooks. Therefore, the reference ranges shown in this table are only close approximations to the adult reference ranges found in an individual clinical laboratory. Each lab contains important clinical information, critical lab values, differential diagnoses and etc. Polycythemia can result from a large number of causes, including. The table revises the most recently published data normal reference laboratory values.
Medical reference laboratory providing esoteric and genetic testing services, test selection guidance, result interpretation references, and continuing education for clients worldwide. A variety of factors can influence reference values. This yields many false positive alerts with subsequent alertfatigue when applied to complex populations like hospitalized, critically ill patients. Coordinating council on the clinical laboratory workforce. Reference ranges vary depending on the instrument and the reagents used to perform the test. Ranges for normal values vary depending on patient populations and test assays used. Elevated levels are found in patients who chronically take drugs such as phenobarbital and phenytoin 10.
Medical laboratory tests involve analyzing samples of blood, urine andor other body fluids or tissues in order to better understand a persons health state. S ually report values for blood and urine tests in conventional tra ditional units. The results of many tumor markers and laboratory tests vary according to the laboratory conducting the test. Although terminology has changed slightly over time and may vary from location to location, the main elements to a clinical laboratory team include the laboratory director, technical and general supervisors, scientiststechnologists, and technicians. Standardizing clinical laboratory data for secondary use. Anemia can be due to ironb12folate deficiency, blood disorders or other underlying pathology.
Tembe n, joaquim o, alfai e, sitoe n, viegas e, et al. You can look for these test names or abbreviations in the pulldown menu on the home page of this site or type the name into the search box to find information on specific tests. List circumstances that may produce falsenegative or falsepositive laboratory. The listed reference ranges should be used when interpreting laboratory values presented in esap. Lab values, abbv, prefixsuffix is the premium resource for all healthcare professionals and students. Of the % of tests that we could not map, nearly 60% were due to test names whose real meaning could not be discerned and 29% represented tests that were not yet included in the loinc table. Hematology absolute neutrophil count male 17805380l 1. Such variables include the population studied, the duration and means of specimen transport, laboratory methods and instrumentation, and even the type of container used for the collection of the specimen. Thyroid function tests thyroid iodine 1i uptake 10%30% of administered dose at 24 h thyroidstimulating hormone tsh 0. How to read and understand medical laboratory results. In this handbook you are provided with common reference ranges. Therefore, the reference ranges shown in this table are only close approximations to the adult reference ranges. Clinical laboratory reference values laposatas laboratory.
Advising clinicians on laboratory test selection and results. The division of aids daids table for grading the severity of adult and pediatric adverse events, version 2. Apr 28, 2019 chart of normal and optimal thyroid levels values. Diagnostic and laboratory tests are tools that provide invaluable insights and information about the patient.
The normal lab values are clearly arranged, alphabetically ordered and. The listed reference ranges should be used when interpreting laboratory values. This appendix contains tables of reference values for common laboratory tests. As you can see in the above table, there is a notable difference between the normal and. Identify common causes for abnormal laboratory values. The results of the test will show if a person is within the normal lab values. Laboratory values of clinical importance harrisons. The following information is intended as a guide to help the registrar locate the test in the medical record and to identify which lab test results should be coded in the cs sitespecific factors. Normal lab values gives both non medical readers and health professionals a fastnavigable and clearly structured overview of the main routine laboratory parameters and possible causes of their increase and decrease. Although terminology has changed slightly over time and may. Diagnostic tests are an important part of medical care.
As you can see in the above table, there is a notable difference between the normal and optimal ranges. The following is a table of reference values for adults for laboratory tests commonly ordered at the massachusetts general hospital mgh and recorded in the case records. Lab tests are used to help confirm a diagnosis, monitor an illness, and the patients response to treatment. Advising clinicians on laboratory test selection and results interpretation with a diagnostic management team michael laposata, md, phd edward and nancy fody professor of pathology vanderbilt university school of medicine pathologist in chief, vanderbilt university hospital. Jan 17, 2018 medical laboratory tests abbreviations. Lab values and their meanings forward the laboratory services are very pleased to see this report. Learn the different reference ranges for blood tests through meditecs. Patients taking medication chronically had smaller intervals between laboratory tests. A listing of the individual items that are being evaluated. Common laboratory tests a decrease in hgb concentration means the patient is anemic. Normal laboratory values merck manuals professional edition. The course lists common diagnostic and lab tests and values in an.
Reference ranges for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples reference ranges for blood tests are studied within the field. Laboratory values are expressed in the units used at. After consulting with clinical lab scientists, the task force was unable to identify a. Blood, plasma, and serum reference values vary based on. Lab values, abbv, prefixsuffix is the premium resource for all healthcare. For other tests, please consult the reference ranges provided with all reports. Acidbase disturbances case files clinical neuroanatomy cases clinical. Medical laboratory tests abbreviations health medicare pdfs. Normal lab values common laboratory values meditec. Sakas dvm, ms niles animal hospital and bird medical center 7278 n. Maybe your doctor relies on the old conservative values and claims that your thyroid is working properly. Traditional electronic medical record emr interfaces mark laboratory tests as abnormal based on standard reference ranges derived from healthy, middleaged adults. Interpretation of a specific abnormal test result should be based upon the laboratory specific normal value reported for that result.
Clinical laboratory reference values laboratory medicine. A urine pregnancy test was administered to all females prior to. Knowing the different normal lab values is an important step in making an informed clinical decision as a nurse. These tests are also referred to as in vitro diagnostics or ivds. The largest increase was noted for coagulation tests, which rose from 1. I hope you will find this guide useful and that it will support the excellent work the laboratory personnel have been doing in the clinics. Recognize normal ranges for common laboratory values in adults. Division of aids daids table for grading the severity of. Aug 02, 2014 the lab reference app with by far the most features on the app store. It is also important to understand that reference ranges can be significantly affected by age and. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum female, follicular. In some cases, the values presented here may differ from ranges reported from a local laboratory. A patients blood test values should be interpreted based on the reference value of the laboratory in which the test was done. The lab reference app with by far the most features on the app store.
Jordan and others published normal reference laboratory values find, read and cite all the research you need on researchgate. Niles, il 60714 8476479325 fax 8476478498 because the hands. Treatment is usually specific and the prognosis can range from good to grave, depending on the specific cause. Academy of acute care physical therapy apta task force on lab values. Even in the same laboratory, ranges may change from time to time as new methods are introduced. Pdf reference values for clinical laboratory parameters in. Lab test are integral to patient care and depend on cooperation and support of ward staff for accurate and timely interpretation of the results. In general, the use of laboratory tests is increasing, although some tests were used less. Interpret the clinical significance of abnormal laboratory values. Advising clinicians on laboratory test selection and results interpretation with a diagnostic management team michael laposata, md, phd edward and nancy fody professor of pathology. Inside this one app youll find lab reference values, medical abbreviations and medical prefixsuffix, all at hand and ready to use, anytime, anywhere. A comprehensive guide to normal lab values laboratory tests are procedures wherein a sample of blood, urine, other bodily fluid or tissue are checked in order to know more about a persons health.
145 35 997 1241 677 751 964 431 94 167 1003 212 216 1404 1293 1095 1668 676 1109 1610 561 186 1321 592 50 108 399 184 938 1268 534 711 227 900 904 1068 165 35 717 896 856 1296 1361 87 194 243 240 1237 88