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. Reference ranges interpretation of clinical laboratory data is a comparative decisionmaking process in that a measured or observed laboratory test result from an individual is compared with reference interval for the purpose of making a medical decision, therapeutic management decision, or. Reference values for common laboratory tests 1 serum chemistries reference range alanine aminotransferase alt 1040 ul albumin 3. The laboratory application evaluates the data for completeness and accuracy. Reference values vary based on several factors, including the demographics of the healthy population from which specimens were obtained and the specific methods andor. Tests units reference ranges methodology instruments. This resource covers the needtoknow aspects of lab tests and diagnoses with a studentfriendly approach, a focus on key content, and outstanding visual tools to help engage the student in the subject matter. All csmls certification exam answers are referenced to one or more textbooks from the reference textbook list. This includes the lab 4dx plus test, the lyme quant c 6 test to measure active lyme infection, the best available faecal flotation by centrifugation and new breakthrough faecal antigen elisas for hookworm, roundworm and whipworm. Idexx has a full complement of routine and exclusive tests for parasite screening.
Note turn around time for tests referred to another hospital is 4 weeks or less unless specifically stated. While results outside these reference ranges may be considered abnormal, abnormal results and critical values are not synonymous. This document details the lab protocol for nhanes 19992000 data. While results outside these reference ranges may be considered abnormal, abnormal results and. The laboratory must supply your test result with an accompanying reference range on the laboratory report. Provided for reference only listed labs are not inclusive or examination specific. Reference values intervals for blood, urine, csf, stool, and other fluids eg, gastric acid and commonly used panels are included. Nomenclature and reference ranges for analytes and arterial blood gas parameters are summarized in tables 61 and 62, respectively. Body mass and surface calculations 3 references dubois body surface area chart. Test reference range united statesconventional units albumin csf 1030mgdl albumin s, p age gdl 030 days 2. Each test entry includes, where relevant, alternate or abbreviated test names.
The reference values provided in these tables should be used as guidelines only. Reference ranges interpretation of clinical laboratory data is a comparative decisionmaking process in that a measured or observed laboratory test result from an individual is compared with reference interval for the purpose of making a medical decision, therapeutic management decision, or other physiological assessment. A unique feature of this handbook is its consistent format, which allows for quick reference without sacrificing. Normal ranges normal ranges, or reference ranges, are used to determine if a persons value is normal. The final decision to accept or reject a result is the responsibility of the medical technologist.
Ascend clinical reference ranges june 2020 tests units reference ranges methodology instruments 0. Clinical laboratory reference values laboratory medicine. A comprehensive guide to normal lab values globalrph. Consequently, there is no such thing as a standard reference range. Diagnostic and laboratory tests are tools that provide invaluable insights and. It is also important to understand that reference ranges can be significantly affected by age and. Androstenedione s sex related reference range nmoll adult females. Laboratory test results in examination questions are followed by their reference ranges, in brackets and italicized. The laboratory may use the manufacturers reference range, as long as it is appropriate for the laboratory s patient population i. Diagnostic and laboratory tests are tools that provide invaluable insights and information about the patient. A new protocol outlined in c28a3 allows a laboratory to validate a reference interval with a smaller number of samples. A wide range of clinical disciplines, including nursing students, researchers, medical students, residents, lab administrators and government inspectors as well as medical technologists, may find the contents of this guide to be helpful to their daily work and an explanation of what goes on in the clinical laboratory. Please consult the latest official manual style if you have any questions regarding the format accuracy. Reference ranges may vary slightly and are based on the methodology, age of the patient, and reference values the particular healthcare facility adopts.
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. Pediatric reference ranges often reflect physiologic immatu rity, with lab values approaching those of healthy adults with increasing age. This handbook is a guide to the use of laboratory services available at the ulster hospital, which is part of the south eastern health and social care trust. Causes of conditions, signs and symptoms, lab findings, normal values and ranges, and interpretation of results are also addressed.
Tests units reference ranges methodology instruments chemistry. Knowing the different normal lab values is an important step in making an informed clinical decision as a nurse. Reference values vary based on several factors, including the demographics of the healthy population from which specimens. It is hoped that it will provide the laboratory user with a quick and easy reference to the services available in the trust laboratory.
Mlabs and the department of pathology laboratories at the university of michigan offer a full range of tests and services. Estradiol blood spot pgml 43180 premenoluteal or ert a normal range for estradiol on day 14 for women in their twenties is 350 pgml, and less than 32 after menopause. General standards for the competence for testing and calibration laboratories. Hematology absolute neutrophil count male 17805380l 1. All csmls certification exam questions are referenced to a competency within the associated competency profile. The normal range for a given constituent of clinical interest is considered to be the concentrations of the constituent which are found in the body fluid.
Our wetherby laboratory holds accreditation to bs en isoiec17025. A unique feature of this handbook is its consistent format, which allows for quick reference. Reference laboratories for veterinary practices idexx uk. Reference ranges vary depending on the instrument and the reagents used to perform the test. For preventive care screening and diagnosing clinical disease. Estimating body surface area of adults and children. Establishing reference intervals for clinical laboratory test. Pdf reference values for clinical laboratory parameters in. Mosbys diagnostic and laboratory test reference ebook. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum female, follicular. Cbc and automated differential and reticulocyte parameters.
Clinical laboratory reference values laposatas laboratory. The idexx reference laboratories staff and medical consultation colleagues are committed to providing you high quality reference laboratory support for best patient care. Reference values for common laboratory tests 1 reference values for common laboratory testsa serum chemistries reference range albumin premature 1 day 1. This means that each laboratory must establish its own reference ranges using data from its own equipment and methods. Aug 10, 2015 reference ranges for blood tests 1 reference ranges for blood tests reference ranges for blood tests are sets of values used by a health professional to interp slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Reference ranges and what they mean order lab tests online. Our faculty have expertise in all disciplines of pathology and are available to provide consultation to referring physicians. Access the clinically relevant information you need easily in any setting with mosbys diagnostic and laboratory test reference, 10th edition. From local laboratory to standardisation and beyond. The course lists common diagnostic and lab tests and values in an. Abnormals are not considered critical values most laboratory tests have established reference ranges, which represent results that are typically seen in a group of healthy individuals. Reference ranges show new approaches for establishing these ranges and provide the latest information on this topic.
Basic skills in interpreting laboratory data, 5th edition. The table revises the most recently published data normal reference laboratory values. Alt and ast are measure indicators of liver disease. Laboratory values are expressed in the units used at. Physicians will compare current lab values with previous results to determine changes in health and the effectiveness of treatment. Lab management and costs gives students and chemists the practical information they need to assess costs, allowing them to do their job more efficiently and effectively. Complete blood count cbc blood is the most common type of biological fluid used for lab testing. Steve justice, tim james, zoe maunsellbrowne biochemistry reference ranges document version. Nov 16, 2010 mosbys diagnostic and laboratory test reference ebook. Laboratory values see inside back cover for continuation.
The normal range for a given constituent of clinical interest is considered to be the concentrations of the constituent which are found in the body fluid or excretions of a group of clinically normal persons. If the manufacturer has not provided reference ranges appropriate for the laboratory s patient. A wide range of clinical disciplines, including nursing students, researchers, medical students, residents, lab administrators and government inspectors as well as medical technologists, may find the contents of this guide to be helpful to their daily work and an explanation of what goes on in the clinical laboratory to those. Namibia, were established by instrument manufacturers or using text book values, mostly from. 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.
As laboratories put new test systems into use, they are required by accreditation and certification bodies to verify or establish performance specifications, including reference ranges. Estimating body surface area of infants and children. This bestselling handbook provides concise coverage of tests without sacrificing important details. Therefore, the reference ranges shown in this table are only close approximations to the adult reference ranges found in an individual clinical laboratory. The 12th edition of mosbys diagnostic and laboratory test reference provides the user with an uptodate, essential reference that allows easy access to clinically relevant laboratory and diagnostic tests. A reference laboratory handles tests that are complex than those usually handled by an outside lab as well as tests that are infrequently requested true, ref. Clinical laboratory reference values from north american and european populations are currently used in most africans.
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