A total of 40 samples, 20 from healthy men and 20 from healthy women, should be tested and the results compared to the published reference range. Comprehensive reference ranges for hematology and clinical. Reference ranges vary depending on the instrument and the reagents used to perform the test. Contact us online call 09 574 7399 find collection centre. It is also important to understand that reference ranges can be significantly affected by age and. Clinical laboratory reference values laposatas laboratory. Learn vocabulary, terms, and more with flashcards, games, and other study tools. If you have any questions regarding these reference intervals, please contact us. Normal laboratory values msd manual professional edition. Create a custom list of tests and export your own reference manual to a pdf file. Reference ranges vary depending on the instrument and the reagents used to perform.
The reference values provided in these tables should be used as guidelines only. For example, hemoglobin reference ranges should be established by gender and age while cortisol ranges should be subdivided by the time of day. This book outlines the 63 must know lab values for nurses to help them prepare for the nclex and care for patients on the floor. Igf1 calculator automatically calculates patient standard deviation score based on esoterix igf1 results. Some important reference ranges in medicine are reference ranges for blood tests and reference ranges for urine tests. Lab tests are used to help confirm a diagnosis, monitor an illness, and the patients response to treatment. Below is a selection of reference ranges for various haematological and biochemical investigations.
The listed reference ranges should be used when interpreting laboratory values. Preanalytical factors may also need to be controlled in order to insure that accurate reference ranges are derived. Laboratory values see inside back cover for continuation. Haematology reference intervalsimmunology reference intervalsbiochemistry bone and iron metabolism reference intervalsbiochemistry enzyme, b12folate, drugs and lipids reference intervals biochemistry. 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. The results of the test will show if a person is within the normal lab values. Laboratory test reference ranges laboratory service calgary. Automate your collection of lab reference ranges openclinica. By comparing your test results with reference values, you and your healthcare provider can see if any of your test results fall outside the range of expected values and gain clues to help identify possible conditions or diseases. The fourth edition of pediatric reference ranges is a valuable reference providing instant and accurate reference ranges for chemistry and hematology analytes in an alphabetized, userfriendly format. Reference range values for pediatric care aap ebooks. Always consult with your local laboratory, as ranges often differ between labs.
The laboratory reports showed elevated serum level of creactive protein 11. Now you no longer have to search through multiple resources for reference ranges and other critical values you need to optimize patient assessment and management. Reference ranges are provided for many new analytes, such as dihydrotestosterone, estrone, iodide, pregnenolone, and zinc protoporphyrin. Endocrinology syllabus includes stimulation testing reference guide and post acth data. The doctor should therefore apply the reference range supplied by the laboratory which performed the test rather than that used by another laboratory or one given in a book. See individual test pages in the apl test directory for chemistry and hematology reference ranges. Reference range values for pediatric care, 2nd edition ebook. Diagnostic and laboratory tests are tools that provide invaluable insights and information about the patient. Completely updated, this popular pocket guide provides commonly used reference ranges and values spanning birth through adolescence. Blood test reference ranges the following is a set of reference ranges that can be used for reading and interpreting blood tests. Reference values vary based on several factors, including the demographics of the healthy population from which specimens. Reference ranges for blood tests are sets of values used by a health professional to interpret a. In conclusion, laboratory reference ranges generated in this study are one of the most comprehensive hematology and clinical chemistry data sets produced in nigeria. Oct 18, 2019 knowing the different normal lab values is an important step in making an informed clinical decision as a nurse.
The certificate does not cover tests performed at other locations, and it is being provided for reference purposes. Reference ranges and what they mean private md labs. The standard definition of a reference range usually referred to if not otherwise specified originates in what is most prevalent in a reference group taken from the general i. Gos paediatric reference ranges obtained from great ormond street hospital. Reference ranges and what they mean lab tests online. Learn how reference range is determined for laboratory tests. Recently, a publication in the american heart journal1 stated that the reference interval for creatine kinase ck, a test commonly performed to. Hormone test units conventional reference range for women optimal range for women free t3 blood spot pgml 2. Reference values is a sample topic from the harriet lane handbook to view other topics, please sign in or purchase a subscription the harriet lane handbook app and website provides pediatric diagnosis and treatment, pediatric management algorithms, and pediatric drug formulary from experts at johns hopkins university. The interpretation of any clinical laboratory test involves comparing the patients results with the tests reference range. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum female, follicular. Test information in the acm global laboratories reference manual includes test name, test number, specimen requirements, and technical specifications such as methodology, cpt and loinc codes, stability and reference range. A reference range is a set of values that includes upper and lower limits of a lab test based on a group of otherwise healthy people. Destination page number search scope search text search scope search text.
Formulas and reference range values american academy of. Appointments must be made at least two hours in advance. Labcorp s test menu provides a comprehensive list of specialty and general laboratory testing services. Verifying a reference range is different than establishing a reference range.
For an fda approved test method, the clinical laboratory can adopt the manufacturers stated reference range if its patient population gives similar results to those published in the manufacturers package insert. The importance of determining reference intervals for laboratory. Search our health care diagnostics tests menu labcorp. Serum electrolytes may be ordered as a chem 7 or as a basic metabolic panel bmp. Clinical laboratory reference values laboratory medicine. The new reference range values for pediatric care brings all the most vital range data plus diverse clinical evaluation and calculation tools all.
Laboratory reference ranges december 2016 chemistry g. Reference values intervals for blood, urine, csf, stool, and other fluids eg, gastric acid and commonly used panels are included. The brief answer is that a result out of the normal range signals the need for further investigation or at least further explanation. Reference values vary based on several factors, including the demographics of the healthy population from which specimens were obtained and the specific methods andor.
This page is intended for educational purposes only and should never be used for clinical decision making. May 15, 2014 the values from this study showed remarkable difference in hemoglobin and glucose reference range from those of african countries but similar to the usa. Please contact our client services center or your local account executive for more information. Search our health care diagnostics tests menu labcorp skip to main content. A new protocol outlined in c28a3 allows a laboratory to validate a reference interval with a smaller number of samples. Therefore, the reference ranges shown in this table are only close approximations to the adult reference ranges found in an individual clinical laboratory. Because most blood test reference ranges often referred to as normal ranges of blood test results are typically defined as the range of values of the median 95% of the healthy population, it is unlikely that a given blood sample, even from a healthy patient, will show normal values for every blood test taken. American academy of pediatrics textbook of pediatric care, 2nd edition. This resource helps reduce search time for reference ranges and other critical values to optimize patient assessment and treatment. 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. That means they have to establish their own ranges, and will provide your test result with an accompanying reference range appropriate to the laboratory. Core laboratory reference ranges list as of 7152018. 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.
Ucsd clinical laboratories normal values, abbreviated. Kit reference range obtained from manufacturers instructions for use. Reference range definition of reference range by medical. Causes of conditions, signs and symptoms, lab findings, normal values and ranges, and interpretation of results are also addressed. Here we discuss the normal lab values of the commonly ordered serum tests. Below are links to documents listing reference intervals in use at labtests which are available for download. Heres the one place to look for normal values and related needtoknow data.