And increase in hgb concentration means the patient is polycythemic. Laboratory values are expressed in the units used at. Arterial blood chemistry ph na both sexes 735 745 same as adults partial. The normal lab values are clearly arranged, alphabetically ordered and. Advising clinicians on laboratory test selection and.
Thus, any given result should be interpreted based on the reference value of the laboratory in which the test was done. Individuality can affect the use of reference values for laboratory tests and the interpretation of laboratory results. The listed reference ranges should be used when interpreting laboratory values. 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 and decrease. Academy of acute care physical therapy apta task force on lab values. Reference values vary based on several factors, including the demographics of the healthy population from which specimens were obtained and the specific methods andor. Lab reference ranges acp internal medicine meeting. Here we discuss the normal lab values of the commonly ordered serum tests.
Consult your local laboratory for guidelines as to normal values for the specific testing procedures used. Interpretation of the results of the differential must always be done with the total number of wbcs in mind. Other activities to help include hangman, crossword, word scramble, games, matching, quizes, and tests. The purpose of this list is to identify the laboratory tests and their respective critical high and critical low valuesresults. 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 of clinical chemistry also known as clinical biochemistry, chemical pathology or pure blood chemistry, the area of pathology that is generally concerned with analysis of bodily fluids. 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. Values and implications 3rd edition by springhouse author visit amazons springhouse page. The table revises the most recently published data normal reference laboratory values. Treatment is usually specific and the prognosis can range. Normal laboratory values aids information, education. Findings indicate that most laboratory values in elderly persons fall in the normal range.
Individuality biological variation of cystatin c and creatinine. Polycythemia can result from a large number of causes, including. Pdf interpreting laboratory values in older adults. An lpn should understand the rationale for conducting specific diagnostic and laboratory tests when delivering care, as well as the implications of the results of those tests. Common laboratory tests a decrease in hgb concentration means the patient is anemic. Reference values intervals for blood, urine, csf, stool, and other fluids eg, gastric acid and commonly used panels are included. Find all the books, read about the author, and more. A guide to primary care of people with hivaids chapter 10. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Download a printerfriendly version of the chart here.
Using laboratory values can be a key piece of assessment to determine what is occurring within the body of a patient. Laboratory values nclex practice quiz 20 items nurseslabs. A small percentage of patients show an abnormality on specific tests ie, for glucose, calcium, serum lipids. Normal laboratory values merck manuals professional edition. Normal laboratory values msd manual professional edition. Normal laboratory values and ranges for mrcp question papers. This table lists reference values for the most common laboratory tests and is intended for interpretation of the results as they are provided in the examinations.
The program was run as a series of identical 4hour small group sessions to facilitate discussion and laboratory tours. This cheat sheet identifies the normal adult values for the most common laboratory tests. Laboratory test that counts actual numbers of different types of wbcs. Included in this section are the lab values and nursing considerations for glycosylated hemoglobin, fasting blood sugar, glucose tolerance test, and diabetes mellitus antibody panel. Each commercial laboratory has its own set of normal values, called normal range or reference range on your lab report. Heres a 20item exam about laboratory values and diagnostic procedures.
Normal laboratory values and perioperative nursing. The following chart gives the normal values for each type of wbc. Laboratory tests, interpretation, and use of resources. Understanding the normal laboratory values of blood glucose is an essential key in managing diabetes mellitus. Introduction a variety of laboratory tests are done in the neonatal period on a routine basis, many as pointofcare testing. Normal lab values complete blood count cbc test acronym meaning normal range values male normal range values female wbc number of white blood cells 3. Hematology absolute neutrophil count male 17805380l 1. Page 6 of 43 20202021 laboratory services information manual test order entry outpatients laboratory request form requisition form physician clients of rchsd laboratory are provided with laboratory request forms that contain the physician or practice name and address. To make the most out of this quiz, follow the guidelines below. Anemia can be due to ironb12folate deficiency, blood disorders or other underlying pathology. The most common tests include chemistry panels, hematology such as the complete blood count, and blood gases. Most of the values apply to adults and where they differ for children it will be indicated. Culture media a substance, either solid or liquid, used for the cultivation, isolation, identification, or storage of microorganisms. Compare your results to the range shown on your lab report.
This course will take a closer look at these components. Such values are i nserted parenthetically follo wing the result recorded in the examination question. Selected normal pediatric laboratory values all laboratory values listed are approximate. Thyroid function tests normal ranges vary thyroid iodine 1i uptake 10% to 30% of administered dose. It is important to remember that normal laboratory values may vary slightly, depending on the laboratory setting and equipment used in testing. These values depend on the equipment or method used. In regards to normal lab values, the nurse should remember to be.
Each lab contains important clinical information, critical lab values, differential diagnoses and etc. A significantly abnormal test result should raise the suspicion of underlying disease. 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. If you are familiar with the normal values, you will be able to determine. It is important to know how to collect specimens and perform tests correctly in order to obtain correct results. Laboratory tests help doctors determine what is going on within your body. Laboratory values of clinical importance medical notebook. Mayo clinic laboratories critical values critical results list. When performed in a good laboratory with comparable technology. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum female, follicular. The reference values provided in these tables should be used as guidelines only.
The cbc may be obtained to evaluate for anemia, infection, and thrombocytopenia. Equally, there was a general tendency for smaller intervals between consecutive tests. There are numerous laboratory tests that can be done. To comply with patient safety goals, the person taking the call must read back the patients name, the hospital number and all laboratory results. The normal ranges in each laboratory depend on the local population.
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