When hemoglobin a 1c is computed, values are usually 24% lower. Lab values for nurses ameritech college of healthcare. Diagnostic and laboratory tests are tools that provide invaluable insights and information about the patient. Reference values intervals for blood, urine, csf, stool, and other fluids eg, gastric acid and commonly used panels are included. 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. Normal blood values, lab blood testing, blood typing. Lab values measure several variables in a patients body chemistry. Academy of acute care physical therapy apta task force. The currently used reference values in botswana vary by individual clinical laboratory. Lab values and their meanings acknowledgement the lpn lab values manual was first compiled in response to a lack of information in the form of a quick reference manual for licensed practical nurses in 2008. The blood is collected via venipuncture in a standard 10ml redtop tube. Laboratory tests check a sample of your blood, urine, or body tissues.
Laboratory values see inside back cover for continuation. A normal tensilon test helps to differentiate botulism from myasthenia gravis. The tests use a range because what is normal differs from person to person. Blood, plasma, and serum reference values vary based on several factors, including the specific laboratory that supplies them. Identify laboratory values for abgs ph, po2, pco2, sao2, hco3, bun, cholesterol total glucose, hematocrit, hemoglobin, glycosylated. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum. Each commercial laboratory has its own set of normal values, called normal range or reference range on your lab report. These studies include further measurements of cell size and cell distribution, biochemical investigation, or any other test that helps diagnose the abnormality. Blood test results with normal range reference chart. The indirect unconjugated bilirubin level is less than 12. Laboratory studies are an extension of physical examination in which tissue, blood, urine or other specimens are obtained from patients and subjected to microscopic, biochemical, microbiological or immunological examination.
The reference values provided in these tables should be used as guidelines only. All practitioners are urged to consult the normal laboratory values for their local laboratory, as these may differ from those listed below. Normally, ldh2 is slightly more elevated than ldh1. Normal values of human body fluidsnormal lab values lab. The normal ranges in each laboratory depend on the local population, test methodology and. Stool examination report and test preparation, normal values.
Schilling test oral administration of radioactive cobalaminlabeled. Blood cell count 25oh vitamin d blood lead basic lab work interpretation. A patients blood test values should be interpreted based on the reference value of the laboratory in which the test was done. Compare your results to the range shown on your lab report. Download a printerfriendly version of the chart here. Assist in the diagnosis of conditions related to acute and chronic infection, inflammation, and tissue necrosis or infarction. These values vary somewhat among laboratories, due to methodology and even geography. Lab tests, along with a health history and physical exam, are used to diagnose. Normal lab values for erythrocyte sedimentation rate. The table revises the most recently published data normal reference laboratory values. A concluded that these lab values suggested irondeficiency anemia, possibly as a result of an iron malabsorption problem. Normal blood values for blood typing, blood chemistry, red blood cells testing.
Normal test result values are expressed as a reference range, which is based on the average values in a healthy population. Consult your local laboratory for guidelines as to normal values for the specific testing procedures used. In that way abnormal results do not always indicate a disease or a pathological situation, nor does a normal result always indicate the absence of a disease. Normal laboratory values aids information, education. However, the values of the present study are higher than 9. Normal laboratory reference intervals among healthy adults.
Biological variation of laboratory analytes based on the 19992002 national health and. The listed reference ranges should be used when interpreting laboratory values. These values do not match with most of the previous studies. Jordan and others published normal reference laboratory values find, read and cite all the research you need on researchgate. 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. Reference values vary based on several factors, including the demographics of the healthy population from which specimens were obtained and the specific methods andor. The provision of safe, efficient and competent care was the catalyst to offer a quick resource tool that would assist nurses in. When your body is in homeostasis, the values for fluids, chemicals and secretions are within an acceptable or normal range. Normal distributions, with mean 10 and mean 18, standard deviation 2.
Each laboratory test captured in this 2017 version has a brief explanation of the test or laboratory panel, reference values. Information obtained from these investigations help us in identifying the nature of the disease. Remember that there is some variation in ranges based on the laboratory, so be aware of the normal ranges for your facility. For example, some laboratories use values supplied in a manufacturers kit insert but those values are derived from populations outside the country and may not accurately. Index of individuality lacher da, hughes jp, carroll md. When your body is healthy it functions normally in a state of homeostasis or equilibrium.
Lab reference ranges acp internal medicine meeting. The mean values of pcv recorded in this study were 37. It indicates poor absorption of carbohydrates or fat by the body or lactose malabsorption. The interpretation presented are only related to possible functional involvement i have not included interpretation of gross abnormalities related to pathologies.
For example, in liver damage without mi, ldh1 is normal and most ld increase is due to fraction 5. Many of these values will come up often both on the nclex and in your work. Selected normal pediatric laboratory values all laboratory values listed are approximate. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum female, follicular. Lab tests, along with a health history and physical exam, are used to diagnose and manage health conditions. Use the drop down menu below to jump to a specific section. They are also advised to continually check for updated normal ranges. S ually report values for blood and urine tests in conventional tra ditional units. In april 2001, the patient had blood work done that showed a hemoglobin level of 11. Hematology absolute neutrophil count male 17805380l 1. Lundberg 1972 defined a critical value as a physiological state at such variance with normal as to be life threatening unless something is done promptly and for which some corrective action can be taken. The normal values given below are just for knowledge purpose and do not consider as an only truthful source of information as every laboratory have their own reference ranges as per the population they serve.
Lab tests are used to help confirm a diagnosis, monitor an illness, and the patients response to treatment. A technician or your doctor analyzes the test samples to see if your results fall within the normal range. No special instructions need to be given to the patient except for explaining the procedure. Normal laboratory values msd manual professional edition. Laboratory values are expressed in the units used at. Blood, plasma, and serum reference values vary based on. These lab values that you need to know come directly from the ncsbn website for educators, for educators. Normal blood values for lab blood testing blood chemistry normal blood values source. When you have a pathologic condition these ranges can change and cause an imbalance in your body. Knowing the different normal lab values is an important step in making an informed clinical decision as a nurse. Remember to check with your lab, as normal values may be different in different labs. Im going to tell exactly what lab values you need to know, and im going to give you basic normal ranges for that.
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