Labcorp creatinine

Early-stage CKD is often asymptomatic, making laboratory testing imperative for at-risk patients.This typically includes two tests, a serum creatinine with estimated glomerular filtration rate (eGFR), a test of kidney function, and a urine albumin-to-creatinine ratio (uACR), a test of kidney damage. While eGFR results are commonly reported as ...

Labcorp creatinine. A new eGFR equation, the CKD-EPI 2021 eGFR creatinine-cystatin C equation without a race variable, was recommended for clinical use. 5,6 More recently, the Chronic Kidney Disease Prognosis Consortium reported that the use of the new eGFR creatinine-cystatin C equation had significantly greater discrimination of risk of kidney failure with ...

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Creatinine, Urine (LabCorp). Get know how much does lab test cost. Direct access testing with or without insurance. Creatinine, Urine in online lab tests stores ... (Creatinine Clearance 24-Hour Urine and Blood Test $58.00) Step 2: Checkout - go to Checkout and complete the checkout process there. Your total price should be $58.00Labcorp test details for Urea Nitrogen. Uremia is best evaluated with creatinine as well as urea nitrogen. 1 In both prerenal and postrenal azotemia, for instance, BUN is apt to be increased somewhat more than is creatinine; however, in a series of dehydrated children with gastroenteritis who had metabolic acidosis and increased anion gap, 88% had BUN concentration ≤18 mg/dL.Table of Contents. About your lab values and other CKD health numbers. Measuring your general health. Measuring your kidney health. Measuring your balance of important …Creatinine, Urine Random. Order Name CREAT R U. Test Number: 3000750. Revision Date 05/03/2021. Test Name. Methodology. LOINC Code. Creatinine, Urine Random. Kinetic Alkaline Picrate (Jaffe)Serum creatinine values will be used to calculate GFR - (Glomerular Filtration Rate) The following test will be added on and reported at no additional charge. Order code: GFR Calculation [6907615] Result code: GFR CALC [6907615] CPT Code(s) 82565: Lab Section: Chemistry Test Directory Service provided by Labcorp Oklahoma, Inc.Labcorp test details for Litholink Serum Panel (Sodium, Potassium, Chloride, CO2, Creatinine, Calcium, Phosphorus, Magnesium, Uric Acid)

Creatine kinase (CK) is an enzyme, found primarily in muscle and brain tissue, which exists as three dimeric isoenzymes: CK-MM (CK-3), CK-MB (CK-2), and CK-BB (CK-1) − built from subunits designated M and B. The CK-MB isoenzyme, which has a molecular mass of approximately 87 kilodaltons, accounts for 5% to 50% of total CK activity in myocardium.• Severely increased: >300 mg/g creatinine Additional Information Albumin accounts for approximately 50% of the protein in plasma. 2 The kidney works to prevent the loss of albumin into the urine through active resorption, but a small amount of albumin can be measured in urine of individuals with normal renal function.Albumin accounts for approximately 50% of the protein in plasma. 2 The kidney works to prevent the loss of albumin into the urine through active resorption, but a small amount of albumin can be measured in urine of individuals with normal renal function. The prognostic value of consistently elevated albumin levels is particularly well ...43222-9 Potassium/Creatinine [Ratio] in Urine Active Part Descriptions. LP15098-4 Potassium Potassium (symbol K from Latin:kalium) is a key chemical element involved in neuron function and influencing osmotic balance between cells and interstitial fluid. Depletion in potassium levels results in deficient fluid and electrolyte balance in the body as well as various nervous and cardiac dysfunctions.Additional Information. Plasma renin activity (PRA) is a measure of the activity of the plasma enzyme renin, which plays a major role in the body's regulation of blood pressure, thirst, and urine output. 3,4 Renin produced by the juxtaglomerular apparatus of the kidney converts angiotensinogen to angiotensin I in the plasma. Use. The estimated glomerular filtration rate (eGFR) provides an assessment of the filtering capacity of the kidney. Measuring serum creatinine along with an estimated glomerular filtration rate (eGFRcr) is recommended as the first step in GFR evaluation by current clinical practice guidelines. 2,3 The eGFR is calculated from a serum creatinine ... Urine creatinine test results are usually reported in mg/dL (milligrams per deciliter). The normal range is around 20 - 275 mg/dL in women and 20 - 320 mg/dL in men. Ranges may vary between laboratories. 24h Creatinine. Results of the 24h creatinine test are typically reported in g/24h (grams of creatinine in the urine over 24 hours).

PTH is an 84-amino-acid peptide hormone which is responsible for the regulation of serum calcium levels within a narrow range. PTH is secreted in response to decrease in serum calcium levels by increasing the renal reabsorption of calcium and lowering reabsorption of phosphorus. The measurement of PTH is a very useful tool in the differential ...A urine protein-creatinine ratio (UPCR) test looks for high levels of protein in your urine, which can happen in kidney disease. Results that are higher than average may be a sign of a kidney ...Creatinine (CREA,CREAT) analysis. Clinical Pathology Creatine kinase MB isoform (CKMB) analysis . Clinical Pathology ... Labcorp is a leading global life sciences company that includes contract research and developmental services to the ...The signs and symptoms of phosphate depletion may include neuromuscular, neuropsychiatric, gastrointestinal, skeletal, and cardiopulmonary systems. Manifestations usually are accompanied by serum levels <1.0 mg/dL. Severe hypophosphatemia is most common in elderly patients and is often found in postoperative subjects. 4.

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Diagnosis is possible by measuring guanidinoacetate (GAA), creatine (Cr), and creatinine (Crn) in plasma and urine. The profiles are specific for each clinical entity. Patients with GAMT deficiency typically exhibit normal to low Cr, very elevated GAA, and low Crn. Patients with AGAT deficiency typically exhibit normal to low Cr, low GAA, and ...Bone resorption by osteoclasts results in the production of cross-linked N-telopeptides of type I collagen (NTx). 1 NTx is specific to bone and is found in urine as a stable end product of bone degradation. Levels of NTx correlate with the rate of bone resorption. Bone resorption rates exceeding bone formation results in a net loss of bone and ...2-10 Business Days. For an exact turnaround time for results, please contact us at Personalabs and we will contact the lab on your behalf as turnaround times vary depending on testing location or lab testing provider. The Creatinine Clearance is the health test that is used to evaluate kidney function and clearance of Creatinine from the body.Use. Uric acid measurements are useful in the diagnosis and treatment of gout, renal failure, and a variety of other disorders including leukemia, psoriasis, starvation, and other wasting conditions. Patients receiving cytotoxic drugs may be monitored with uric acid measurements. Only a minority of individuals with hyperuricemia develop gout.

8. Label and submit the specimen according to Labcorp's procedures. Routine 24-hour Urine Collection. For many urine chemistry tests, it is necessary to analyze a sample taken from an entire 24-hour excretion. Incorrect collection and preservation of 24-hour urine collections are two of the most frequent lapses in urine collections. Enough with 5 thousand rupiah per person. Pantai Bali Lestari comes to pamper the community, realizing the wish to see the atmosphere of Bali. If from Medan to Bali costs can be millions, if here cuman Rp 5 thousand, "said Adek, Bali lifeguard Lestari. According to Adek, the most awaited tourist moment is at dusk.69 First Ave, Raritan, NJ 08869 Local Telephone: 908-526-2400 Toll-Free Telephone: 800-524-0249 (Automated) Regional Customer Service Telephone: 800-745-0233None Iodine, Urine With Creatinine Ratio test cost minimal is in LifeExtension (Iodine Urine w/Creatinine Ratio (Urine), 24-Hour) with price $125.00. Iodine, Urine With Creatinine Ratio test cost max is in Walk-In Lab (Iodine With Creatinine Ratio Urine Test - 24 Hour) with price $165.00. This laboratory test is available in 2 online lab test ...False-negatives and false-positives occur. Urine collections for metanephrines are among the best tests for pheochromocytoma. 1 Sheps et al use urinary catecholamine fractionation as confirmation, following a metanephrine test. 1 Neuroblastoma is better worked up with urinary collections for HVA and VMA. MHPG (3-methoxy-4-hydroxyphenylethylene glycol) is a major metabolite of norepinephrine in ...Values obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy. To order this test without the serial monitor service, use test 141093. For a complete test description, see N-Telopeptide Cross-Links ...When the total CPK level is very high, it most often means there has been injury or stress to muscle tissue, the heart, or the brain. Muscle tissue injury is most likely. When a muscle is damaged, CPK leaks into the bloodstream. Finding which specific form of CPK is high helps determine which tissue has been damaged. This test may be used to:Serum angiotensin converting enzyme is elevated in 50% of cases of sarcoidosis but not in cases of active tuberculosis or Hodgkin disease. Increases are less frequent when sarcoidosis is inactive. 6 Some 80% to 90% of patients with demonstrably active sarcoidosis have elevated serum ACE. Angiotensin converting enzyme activity is also increased ...

nsulin resistance in muscle and liver and -cell failure represent the core pathophysiologic defects in type 2 diabetes. It now is recognized that the -cell failure occurs much earlier and is more ...

322758. Basic Metabolic Panel (8) 24321-2. 100779. eGFR. mL/min/1.73. 98979-8. Labcorp test details for Metabolic Panel (8), Basic.Labcorp test details for Creatinine, 24-Hour Urine. Patients & Persons (Press Enter or Space to Go to Landing Page or Press Down till expand Menu) Patients & People expand menu317222. UREA and Creatinine, 24-Hr Ur. 81232-1. 013236. Urea Nitrogen, 24hr. g/24 hr. 3096-5. Labcorp test details for Urea Nitrogen and Creatinine Profile, 24-Hour Urine.Thus, osmolality has a role in toxicology and in coma evaluation. Elevated serum osmolality with normal sodium suggests possible hyperglycemia, uremia, or alcoholism. 1. Low serum osmolality may be secondary to overhydration, hyponatremia, syndrome of inappropriate antidiuretic hormone secretion (SIADH) with carcinoma of lung and other entities.We would like to show you a description here but the site won't allow us.Calcium, Random Urine with Creatinine - This quantitative test, performed with a random urine specimen, may help screen for hypercalciuria, one of the established risk factors for kidney stone formation [1-3]. This test may also help assess metabolic disorders of calcium metabolism, such as hyperparathyroidism, bone disease, and idiopathic hypercalciuria.creatinine 45-59 mL/min/1.73 m2 who do not have markers of kidney damage if confirmation of CKD is required.4 More recently, the National Kidney Foundation and American ... Labcorp already offers a cystatin C testing. What is new? A: In support of the NKF-ASN's Task Force recommendations on cystatin C utilization, Labcorp is offering three ...Gram Stain [008540] is recommended with all body fluid cultures (additional charge). CPT coding for microbiology and virology procedures often cannot be determined before the culture is performed. Requests with only a written order and no test number indicated will be processed according to Default Testing for Routine Microbiology.Labcorp test details for Calcitriol (1,25 di-OH Vitamin D) Humans get vitamin D from their normal diet, dietary supplements and from exposure to sunlight. 1-5 Ultraviolet B irradiation of the skin drives the conversion of 7-dehydrocholesterol to previtamin D 3, which is then rapidly converted to vitamin D 3. 1 Vitamin D from the skin and diet is further metabolized in the liver to 25-(OH ...

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Labcorp test details for Renal Function Panel. Albumin, serum; BUN; BUN:creatinine ratio; calcium, serum; carbon dioxide, total; chloride, serum; creatinine, serum ...Fans of Snap before today, shouldn't change course now. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of...Serum sodium is a predictor of cardiovascular mortality in patients in severe congestive heart failure. 2. Hyponatremia without congestive failure or dehydration may occur with hypothyroidism, the syndrome of inappropriate secretion of antidiuretic hormone (SIADH), renal failure, or renal sodium loss. The differential diagnosis of hyponatremia ...Creatinine - Serum creatinine is useful in the evaluation of kidney function and in monitoring renal dialysis. A serum creatinine result within the reference range does not …View Service Descriptions. Labcorp makes managing your health more convenient by letting you purchase the same lab tests trusted by doctors, online. Access quality lab services nearby! No appointments needed for Labcorp tests, or book online for a time that fits your life. Locate your nearest labs today.Twenty-four hour urine collections for oxalate are indicated in patients with surgical loss of distal small intestine, especially those with Crohn's disease. The incidence of nephrolithiasis in patients who have inflammatory bowel disease is 2.6% to 10%. 1 Hyperoxaluria is regularly present after jejunoileal bypass for morbid obesity; such ...Workplace Drug Testing. Labcorp understands that a healthy, productive workforce begins with a drug-free workplace. Our comprehensive menu of laboratory-based and rapid substance abuse testing options is designed to meet the needs of most workplace testing programs. Broad testing options and consistently good service are the primary focus of ...Normal BUN levels range from 6 to 20 milligrams per deciliter, according to MedlinePlus. In women, normal creatinine levels are between 0.6 and 1.1 milligrams per deciliter, while ...Results of both creatinine and specific gravity are used to identify dilute, substituted or invalid specimens. Tests for pH and nitrite can also be added to a panel, and are used to assess whether the physiological parameters of the collected specimen are in the expected range .Serum concentrations of cystatin C are almost totally dependent on glomerular filtration rate (GFR). A reduction in GFR causes a rise in the concentration of cystatin C. 1,2. Can be used as a confirmatory test for the diagnosis of chronic kidney disease (CKD) in patients with a decreased GFR as estimated from creatinine. ….

Diagnosis is possible by measuring guanidinoacetate (GAA), creatine (Cr), and creatinine (Crn) in plasma and urine. The profiles are specific for each clinical entity. Patients with GAMT deficiency typically exhibit normal to low Cr, very elevated GAA, and low Crn. Patients with AGAT deficiency typically exhibit normal to low Cr, low GAA, and ...Labcorp test details for Prostaglandin D2/Creatinine Ratio, Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results ... Prostaglandin D2/Creatinine, U: 505526: Prostaglandin D2/Cr Ratio: ng/g: Pending: 505525: Prostaglandin D2/Creatinine, U: 505527: Prostaglandin D2, urine: pg/mL: 12838-9: 505525 ...Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Container must be labeled with patient's full name, date and time collection started, and date and time collection finished.Protein, Total, Random Urine with Creatinine - Proteinuria is characteristic of renal disease and concentrations may be increased with diabetes, hypertension, nephritic syndrome, and drug nephrotoxicity. Test Resources. Test Guide Laboratory Testing for Chronic Kidney Disease Diagnosis and Management .Creatine is transported from the sites of synthesis (kidney, liver, pancreas) via the circulatory system to muscle and brain tissue where it is phosphorylated to phosphocreatine. Phosphocreatine and creatine are rapidly interconverted during muscle contraction. Approximately 1% to 2% of free creatine in muscle is converted to creatinine daily.The LabCorp Test Menu is a page at LabCorp.com that allows users to search for laboratory tests, according to Laboratory Corporation of America. As of 2015, searches can be conduct...Labcorp test details for Oxalate:Creatinine Ratio, Random Urine Skip to main content ... Creatinine, Urine: mg/dL: 2161-8: 123500: Oxalate/Creat Ratio, Random U: 123501:LabCorp is one of the largest clinical laboratory networks in the United States, offering a wide range of medical testing services. To make it convenient for patients to access the...Macroamylase is a high molecular weight material, normal amylase complexed to high molecular weight protein such as immunoglobulin. It is characterized by high serum amylase and low to normal urine amylase. Macroamylase occurs in normal as well as abnormal subjects. 4. Other tests: In pancreatitis, varying percentages of patients have the ... Labcorp creatinine, The Medicare program will allow the laboratory to bill the patient for denied LCD/NCD coverage services only if an Advance Beneficiary Notice of Non-coverage (ABN) is completed, signed and dated by the patient prior to service being rendered, and forwarded to the laboratory prior to testing. This policy applies to all Medicare Part B providers ..., Albumin accounts for approximately 50% of the protein in plasma. 2 The kidney works to prevent the loss of albumin into the urine through active resorption, but a small amount of albumin can be measured in urine of individuals with normal renal function. The prognostic value of consistently elevated albumin levels is particularly well ..., Creatinine, creatinine clearance, BUN, serum protein electrophoresis, ANA, anti-DNA antibodies, HIV, hepatitis C antibody, hepatitis B antigen, and complement levels (including total complement, C 3, C 4) are among useful tests to work up patients with proteinuria. Urine electrophoresis, immunofixation and immunoelectrophoresis are useful in ..., Labcorp test details for Prostaglandin D2/Creatinine Ratio, Urine. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results ... Prostaglandin D2/Creatinine, U: 505526: Prostaglandin D2/Cr Ratio: ng/g: Pending: 505525: Prostaglandin D2/Creatinine, U: 505527: Prostaglandin D2, urine: pg/mL: 12838-9: …, Use. The estimated glomerular filtration rate (eGFR) provides an assessment of the filtering capacity of the kidney. Measuring serum creatinine along with an estimated glomerular filtration rate (eGFRcr) is recommended as the first step in GFR evaluation by current clinical practice guidelines. 2,3 The eGFR is calculated from a serum creatinine ..., Use. Test for acute myocardial infarct and for skeletal muscular damage; elevated in some patients with myxedema (hypothyroidism), malignant hyperthermia syndrome, and muscular dystrophy. CK is a marker for Duchenne muscular dystrophy, with elevations of 20 to 200 times normal. 1 CK is increased in female carriers of this X-linked disease, and ... , Does Labcorp have a financial hardship program?chevron_right. Does Labcorp offer a credit card preauthorization program?chevron_right. Does Labcorp offer alternate payment programs?chevron_right. How can patients participate in the LabAccess Partnership program?chevron_right. What is the LabAccess Partnership program?chevron_right, This test measures creatinine and glomerular filtration rate. It is used to assess kidney function. Lab Test Catalog How Pricing Works. Pricing. Lab Test Catalog. How Pricing Works. ... (Drawn at Labcorp) 3X4 Genetics. Access Med Labs. Access Med Labs (Drawn at Labcorp) Aerodiagnostics LLC. Alletess Medical Laboratory. Ayumetrix. BostonHeart ..., 317222. UREA and Creatinine, 24-Hr Ur. 81232-1. 013236. Urea Nitrogen, 24hr. g/24 hr. 3096-5. Labcorp test details for Urea Nitrogen and Creatinine Profile, 24-Hour Urine., Similarly to LH, FSH, and TSH, human chorionic gonadotropin (hCG) is a member of the glycoprotein family and consists of two subunits (α and β chains) that are associated to the intact hormone. 1-7 The α-chains in all four of these glycoprotein hormones are virtually identical, whereas the β-chains have greatly differing structures and are ..., Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 322777: Renal Panel (10) 24362-6: 001032: Glucose: mg/dL: 2345-7: 322777: Renal Panel (10), 8. Label and submit the specimen according to Labcorp's procedures. Routine 24-hour Urine Collection. For many urine chemistry tests, it is necessary to analyze a sample taken from an entire 24-hour excretion. Incorrect collection and preservation of 24-hour urine collections are two of the most frequent lapses in urine collections. , Aseptically aspirated body fluid (eg, cerebrospinal fluid (CSF), synovial, peritoneal fluid). Do not submit syringes with needles attached. Swabs without visible fluid are not acceptable for Body Fluid Culture., An IgA monoclonal peak >2 g/dL is a major criterion for myeloma. It may be elevated in a wide range of conditions affecting mucosal surfaces, where IgA is largely produced. Some clinically significant IgA deficiencies have concomitant deficiencies of IgG 2 and IgG 4. IgA may be decreased in patients with chronic sinopulmonary disease, in ataxia ..., The ICD-10-CM code set replaced the ICD-9-CM code set on October 1, 2015, for covered entities under the Health Insurance Portability and Accountability Act (HIPAA). ICD-10-CM uses different formatting and an expanded character set. Labcorp provides ICD-10 coding resources that may be helpful for your office., Evaluate electrolytes, acid-base balance, water balance. Chloride generally increases and decreases with plasma or serum sodium. Chloride is increased in dehydration, with ammonium chloride administration, with renal tubular acidosis (hyperchloremic metabolic acidosis) and with excessive infusion of normal saline. Differential diagnosis of acidemias and alkalemias., Simultaneous measurement of urine creatinine permits expression of the metanephrine:creatinine ratio. Some clinicians use >2.2 μg metanephrines/mg creatinine to distinguish pheochromocytoma from normal with this ratio. 1 , Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 706500: Carnitine, Total and Free: 79285-3: 706501: Carnitine, Total: umol/L, Transfer the urine into a Labcorp amber plastic frozen transport tube with amber cap (Labcorp No. 78656). If ordered with Δ-ALA, pH must be <6. Label the container with the patient's name and date. ... Creatinine, U: mg/dL: 2161-8: 003065: Porphobilinogen, Qn, Random Ur: 24446-7: 003068: PBG/Creatinine Ratio: mg/g Creat. 13797-6: Test Menu ..., TEST: 004036. CPT: 81025. Print Share Include LOINC® in print. hCG, Urine. Human Chorionic Gonadotropin (hCG), Qualitative, Urine. Within 1 day. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should ..., Metabolic 7. Basic metabolic panel (BMP) Most medical professionals call it a chem 7 or BMP. A comprehensive metabolic panel (CMP) is similar but includes seven additional tests, for a total of 14. The seven tests included in the chem 7 panel include: Blood urea nitrogen (BUN) Carbon dioxide. Creatinine. Glucose., Acute exposures through inhalation can cause typical metal-fume fever, chills, upper respiratory irritation, and aching muscles. Elevated urine copper levels may also occur with biliary cirrhosis, chronic active hepatitis, or Wilson disease. 2 Copper poisoning through chronic exposure is rare in the general population, excepting individuals ..., It is described as the most common nutrition-related abnormality in patients with infection. 1 Serum albumin has a half-life of about 18 to 20 days. Its half-life is decreased in patients with catabolic states: infection and with protein loss through the kidneys (eg, nephrosis), gastrointestinal tract, and skin (eg, burns)., Twenty-four hour urinary calcium is increased in HPT, low in familial hypocalciuric hypercalcemia (FHH) which is characterized by hypercalcemia and hypocalciuria. An autosomal dominant, it apparently has no complications. A ratio of renal calcium clearance:creatinine clearance <0.01 suggests this genetic disease. , 317222. UREA and Creatinine, 24-Hr Ur. 81232-1. 013236. Urea Nitrogen, 24hr. g/24 hr. 3096-5. Labcorp test details for Urea Nitrogen and Creatinine Profile, 24-Hour Urine., Description: Creatinine Clearance Urine (24 Hour) and Blood Test (Labcorp) This test measures Creatinine levels in both the blood and a 24 hour urine sample.Results will provide measurements for serum creatinine, urine creatinine, 24 hour urine creatinine, eGFR and creatinine clearance.Creatinine is a waste product produced by the breakdown of creatine in the muscles., Making an appointment with LabCorp online is a simple and convenient way to get the medical testing you need. Whether you’re looking for a routine checkup or need to get tested for..., Labcorp defines critical (panic) results as laboratory test results that exceed established limit (s) (high or low) as defined by the laboratory for certain analytes as listed in the "Critical (Panic) Limits.". Critical results are considered life threatening and require immediate notification of the physician, the physician's ..., Calcium, Random Urine with Creatinine - This quantitative test, performed with a random urine specimen, may help screen for hypercalciuria, one of the established risk factors for kidney stone formation [1-3]. This test may also help assess metabolic disorders of calcium metabolism, such as hyperparathyroidism, bone disease, and idiopathic hypercalciuria., Lawnbright and Sunday are excellent lawn care service companies, but what are the main differences between them? Our guide breaks them down. Expert Advice On Improving Your Home Vi..., Homocyst (e)ine. TEST: 706994. CPT: 83090. Print Share Include LOINC® in print. 1 - 2 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional ..., Additional Information. Lead poisoning through chronic exposure is characterized by gastrointestinal disturbance, anemia, insomnia, weight loss, motor weakness, muscle paralysis, and neuropathy. Ingestion of large quantities may produce death. 2. Increased urinary lead excretion indicates excessive lead exposure, regardless of clinical ..., BUN/Creatinine Ratio - The BUN/Creatinine ratio is useful in the differential diagnosis of acute or chronic renal disease. Reduced renal perfusion, e.g., congestive heart failure, or recent onset of urinary tract obstruction will result in an increase in BUN/Creatinine ratio. Increased urea formation also results in an increase in the ratio, e.g., gastrointestinal …