Mean, 5th and 95th centiles were calculated for ua, mca and cpr and centile curves from the regression analysis were constructed. Amylase in serum and urine with 4,6ethylideneg714nitrophenylg1. Cbc and automated differential and reticulocyte parameters. Laboratory values see inside back cover for continuation. That means they have to establish their own ranges, and will provide your test result with an accompanying reference range appropriate to the laboratory. Basic laboratory tests basic urine tests urinalysis. Pediatric reference intervals, fifth ed, aacc press, 2005. Tests units reference ranges methodology instruments. Liquid and readytouse, this urine control is assayed for most major reagents strips and strip systems. Creactive protein concentrations as a marker of inflammation or infection for interpreting biomarkers of micronutrient status plasma ferritin or retinol levels, during infection or inflammation.
This is the list of visual aspects evaluated and chemical tests performed using a test strip. Clinicians should speak with personnel from the laboratory that performed the testing if they have concerns or questions about reference ranges provided with a laboratory result. Laboratory tests reference ranges 1,25dihydroxyvitamin d 1,25dihydroxycholecalciferol, serum see vitamin d metabolites 17hydroxyprogesterone, serum female, follicular. Monitor urine dipstick and microscopic components with thermo scientific mas ua controls, bilevel controls with improved room temperature storage capability. 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. Trend database guide and reference servers, dataservers, messangers, and adapters.
Interpretation of a specific abnormal test result should be based upon the laboratoryspecific normal value reported for that result. Describe the anatomy of the kidney and nephron and production of urine. Urine organic acid reference ranges values are expressed as mmolmol creatinine organic acid normal range 0 1 month normal range 1 month lactic acid 0 370 0 370 glycolic acid 11 103 11 103 glyoxylic acid 0 11 0 11 oxalic acid 0 841 0 841 pyruvic acid 0 0 34 3ohbutyric acid 0. It is a compilation of the existing information on cutoff values obtained from various world health organization who consultations. 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. Lab reference range chart for hematology, urine, endocrinology, blood, pulmonology and more. Those dipsticks make a pretty good catapult for drops of eyeballseeking urine. We would like to show you a description here but the site wont allow us. Reference is the list of expected results in a normal urine. The reference interval principle is usually to take the central 95% of a reference population.
Appendix b 3 test reference range united statesconventional units male 7. Urine is normally acidic but its normal ph ranges from 4. Feline reference values for urine composition the journal. Pdf reference ranges for serial measurements of umbilical. The word is a portmanteau of the words urine and analysis.
Refer to laboratory reports for current reference data. The urine sample should be correctly obtained, agespecific aspects should be considered, and agedependent reference values should be used. The purpose of this study was to construct new reference ranges for serial measurements of commonly used umbilical artery doppler indices pulsatility index, resistance index, and systolic. Learn how reference range is determined for laboratory tests. Chemistry pediatric reference ranges lifebridge health. Urinalysis rflx microgcopic color pleaae note change in unit in range yellow of measure 1. Complete the collection and mark the ccf with the appropriate comments also indicating collection 1 of 2 and reference the specimen id of the second collection. The values in between those limits may depend on such factors as age, sex, and specimen type blood, urine, spinal fluid, etc. Adult post pubescent question range paediatric age if applicable range do not put reference range in haematology haemoglobin1 male 175 gl 0 6 days 145 220 gl.
Ascend clinical reference ranges may 2019 tests units reference ranges methodology instruments 800 2000 male 600 1800 female 85125 male 75 115 female 24 hour urine urea nitrogen g24 hr 7 16 ureasegldh beckman coulter au5800 ag ratio ratio 0. Mar 25, 2020 faculty, staff, and students affiliated with the university of alabama should log in using their mybama credentials before accessing ebooks in the major ebook collections and ereference from offcampus. Reference values vary based on several factors, including the specific laboratory that supplies them. The two key markers for chronic kidney disease ckd are urine albumin and estimated glomerular filtration rate egfr. The listed reference ranges should be used when interpreting laboratory values. A 24hour specimen would reveal an optimum ph of about 6. As the vetscan ua tests for both ma and upc on its ua14 urine test strip, this study also examined how the vetscan ua upc and ma compared to a reference laboratory analyzer. Urinalysis is the most commonly performed biochemical test in infancy and early childhood. Although urinalysis is not recommended as a routine screening tool except.
L, suggested ranges are converted from reference 1a using conversion formula with vetscan sa specific variables on file at abaxis. The urine osmolarity is a way to assess the concentration of the urine and may vary between 50 and 1200 mosmolkg. Please use the reference ranges included on test reports as the official source of information to use in interpreting patient test results. The standard definition of a reference range for a particular measurement is defined as the interval between which 95% of values of a reference population fall into, in such a way that 2. Openedge management and openedge explorer getting started configuration. Reference ranges and what they mean the normal or reference range in reference to a lab test, what does out of the normal range actually mean. For patients with type 1 diabetes for 5 years or more or with type 2 diabetes, the american diabetes association and. Home educational program download handoutsreference ranges. Who international biological reference preparations. A 24hour urine collection can be difficult for elderly patients or those with incontinence and is especially cumbersome in the outpatient setting. Urine albumincreatinine ratio less than 30 mgg calcium 100300 mg24 h 2. Each sample was run twice on two vetscan ua analyzers using vetscan ua14 strips.
Urine test reference range units urine albumin less than 1. Urine from other species may be run on the analyzer, but has not been validated. Infectious disease test value comments detection of infectious agent in by blood positive culture, smear, rapid antigen, or nucleic acid test nat. The urine specific gravity should be measured with a refractometer, which measures the density of the urine relative to the density of water. Idexx ua strips test menu descriptions specific gravity sg. The results should be evenly spread throughout the published reference range and not clustered at one end. The strip is dipped into the urine that is to be tested and the change of color is compared with the standard chart in the image below and range is noted. A patients urine test values should be interpreted based on the reference value of the laboratory in which the test was done. Unc hospitals mclendon clinical laboratories 101 manning drive chapel hill, nc 27514. Always wear gloves whilst messing about with another persons pee. Basic laboratory tests basic urine tests urinalysis test alternative names occurunits usual normal range examples of conditions in which abnormal values ph, urine ph ph units 4. Reference values 3 references laboratory reference range values. Clinical urine tests are various tests of urine for diagnostic purposes. Johns hopkins department of pathology core laboratory.
Cheesbrough, monica 1987medical laboratory manual for tropical. To characterize the normal urine composition of cats and the variation in its composition, either of two methods can be chosen. Gos paediatric reference ranges obtained from great ormond street hospital. Begin the second collection with a new ccf and kit dot is observed and nondot is not observed. Results mathematical modeling of the data demonstrated that the optimal. A technical specification intended for developers implementing pdf writing and processing software, pdfua provides definitive terms and requirements for accessibility in pdf documents and applications. If the manufacturers reference range cannot be validated, the laboratory needs to establish its own reference range. Normal range chart and analysis the basic answer is that negative is normal and positive shows an abnormal range. Lab reference ranges acp internal medicine meeting. If 95% of the results fall within the published reference range, it can be accepted for use. If the temperature is out of range for the first collection. Reference ranges and what they mean private md labs.
Laboratory reference ranges october 2015 chemistry h. Establishment and clinical use of reference ranges mikael haggstrom abstract a reference range describes the variations of a measurement or value in healthy individuals. Below is a selection of reference ranges for various haematological and biochemical investigations. A urinalysis ua is one of the most common methods of medical diagnosis. For example, if your sample is measured in grams per deciliter. The childrens hospital of buffalo clinical laboratories manual differential reference range neutrophils 43 65 lymphocytes 20. A freshly voided urine specimen is adequate for most urinalysis except. Kit reference range obtained from manufacturers instructions for use. The 95% reference intervals for a range of semen variables and the lower 2.
Nov 08, 2011 the observed variation in renal function test reference values developed in this study compared to reference range values for the same parameters from other locations suggest variations in analytical methods in addition to ethnic composition and ecological parameters as stated by saathoff et al. 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. Hence, the urine protein to creatinine ratio is typically the preferred method and has been shown to have a good correlation with the 24hour urine protein determination. Assess urine albumin excretion yearly to diagnose and monitor kidney damage in patients with type 1 diabetes for five years or more or with type 2 diabetes. Held and distributed by the who international laboratories for biological standards who international biological reference preparations preparation standard material held at code whobs. Mgh pathology service core laboratory reference ranges. Values outside the reference range should be interpreted in context. This value should be interpreted in light of the patients hydration status and blood urea nitrogen bun and creatinine levels. Either represents a result outside the reference range value.
Immerse the dipstick completely in the specimen of fresh urine. The brief answer is that a result out of the normal range signals the need for further investigation or at least further explanation. New rcpch reference ranges 2016 ranges vary between populations and age groups and it is important to always check the reference ranges. The precision study evaluated duplicate runs using a total of 126 feline and canine urine samples. The vetscan ua will measure urine analytes through disposable. An all purpose cleaner with scrubbing pad for manual scrub bing purposes on.
Absent or reversed ua enddiastolic flow are particularly ominous findings. If you have any problems with offcampus access, please contact eresources. World health organization reference values for human semen. Lowdensity lipoprotein ldl less than or equal to mgdl 3. Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. The normal ccr value usually ranges between 110 140 ml minute. Upon completion of this course, one should be able to. Urine organic acid reference ranges values are expressed as mmolmol creatinine organic acid normal range 0 1 month normal range 1 month lactic acid 0 370 0 370 glycolic acid 11 103 11 103 glyoxylic acid 0 11 0 11 oxalic acid 0 841 0 841 pyruvic acid 0 0 34 3ohbutyric acid 0 3 0 3. Reference ranges and what they mean lab tests online. It is a basis for a physician or other health professional to interpret a set of results for a particular patient.
Amylase, urine i o uhr androstenedione, serum female. Explain the significance of the components of a routine urinalysis. Always consult with your local laboratory, as ranges often differ between labs. Due to no prior published veterinary ranges in urinary cells. Reference values vary based on several factors, including the specific laboratory that. The umbilical artery ua impedance indices increase when there is decreased enddiastolic flow due to reduced placental perfusion and uteroplacental insufficiency as is seen in intrauterine growth restriction iugr. This page is intended for educational purposes only and should never be used for clinical decision making. Users manual 7 intended use the vetscan ua is intended for veterinary use only for the testing of urine chemistries in mammalian veterinary urine samples, particularly dogs and cats. Other tests are urine culture a microbiological culture of urine and urine electrolyte levels. Pdfua pdfuniversal accessibility is the informal name for iso 14289, the international standard for accessible pdf technology. Reference ranges for umbilical and middle cerebral artery. However, the urine ph does change during the day due to dietary influences and water intake.