Labcorp creatinine

LabCorp test: 100768 Components: Creatinine, eGFR If Africn Am, eGFR If NonAfricn Am Glomerular Filtration Rate, Estimated (eGFR) test cost is between $28.00 and $51.00 ... (Creatinine Serum Test $31.00) Step 2: Checkout - go to Checkout and complete the checkout process there. Your total price should be $31.00 $31.00.

Use. This panel has been established to aid in the diagnosis and management of Chronic Kidney Disease (CKD) and assess metabolic issues and organ function frequently associated with CKD by checking the status of a patient's kidney, glucose level, electrolyte/acid base balance, proteins and liver.Transferrin is an iron transport protein receiving and binding iron for delivery to receptors at recipient cells. The human transferrin gene, responsible for production of this single chain, 77 kilodalton polypeptide resides on chromosome 3, band q21-25. Transferrin has two iron-binding sites and is largely but not exclusively synthesized by ...Additional Information. Thallium exposure, associated with industrial inhalation and/or dermal absorption of metallic thallium or thallium salts, may cause albuminuria, sensory changes, polyneuritis, speech disturbances, weakness, and visual impairment. Ingestion of soluble thallium salts is characterized by colic, nausea, vomiting, tremors ...Additional Information. Copper poisoning through chronic inhalation of copper fumes and/or dusts that are typically associated with industry may produce symptoms of nausea, vomiting, nervous manifestations, and hepatomegaly. Acute exposures through inhalation can cause typical metal-fume fever, chills, upper respiratory irritation, and aching ...Serum (blood) creatinine. Creatinine is a waste product in your blood that comes from the digestion of protein in your food and the normal breakdown of muscle tissue. It is removed from your body through the kidneys. If you have kidney disease, the kidneys can have trouble removing creatinine from your blood. So, the level of creatinine in your ...

Hemolysis; clotted specimen; tube not filled with minimum volume; improper labeling; specimen received in any anticoagulant other than EDTA; specimen received with plasma removed; specimen diluted or contaminated with IV fluid; specimen received in whole blood transport tubeA six-part differential reported in some lab locations includes IG % and IG absolute counts. IG (immature granulocytes) includes metamyelocytes and myelocytes. It does not include bands or blast cells. 1,2 Promyelocytes and blasts are reported separately to denote the degree of left shift. An elevated percentage of IG has not been found to be ...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:1751-7. 322777. Renal Panel (10) 24362-6. 100779. eGFR. mL/min/1.73. 98979-8. Labcorp test details for Renal Function Panel.Introduction. Acute kidney injury (AKI) occurs commonly in hospitalized patients and carries a high mortality [1-3].The causes of AKI are often divided into three groups: pre-renal, intra-renal and post-renal [4-6].Pre-renal failure, also called pre-renal azotemia (PRA), is described as a reversible increase in serum creatinine and urea concentrations resulting from decreased renal ...Creatinine, Ur 24hr (LabCorp). Get know how much does lab test cost. Direct access testing with or without insurance. Creatinine, Ur 24hr in online lab tests stores ... (Urea Nitrogen and Creatinine Profile, 24-Hour Urine $120.00) Step 2: Checkout - go to Checkout and complete the checkout process there. Your total price should be $120.00Reference Values. 0.5-1.3 mg/dL. Dobutamine, Levodopa and Calcium dobesilate (e.g. Dexium) cause artificially low creatinine results at the therapeutic drug level. N-Acetylcysteine at the therapeutic level and the Acetaminophen metabolite N-acetyl-p-benzoquinone imine (NAPQI) cause falsely low creatinine results.A urine test detects or monitors potential kidney damage (Urine albumin-to-creatinine ratio (uACR)) Yearly follow up. ... Testing can be done at your doctor's office or at one of nearly 2,000 convenient Labcorp locations with the Kidney Health Test Package. Results are returned in a few days for your doctor to discuss the findings and create ...

Additional Information. "Total carbon dioxide" consists of CO 2 in solution or bound to proteins, HCO 3−, CO 32−, and H 2 CO 3. In practice, 80% to 90% is present as bicarbonate (HCO 3− ). "Hypercapnia" means excessive carbon dioxide in the blood. Impaired elimination of CO 2 reflects interaction of abnormalities in respiratory ...See how one agency transformed the advertising brief into a marketing tool for its agency. Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for ...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/LRBC: two 500-μL lavender-top Microtainer™ tubes filled to at least 50% of tube capacity (Note: If any other size lavender tube is used, the tube must be filled to at least 50% capacity of tube fill volume. Insufficient volume may limit the extent of procedures performed.); and G6PD: one lavender-top (EDTA) tube, green-top (heparin) tube or yellow-top (ACD) tube (0.1 mL) whole blood (Note ...Labcorp test details for Iodine, Random Urine. 2 - 4 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.

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There are several tests that can be used to diagnose and monitor kidney disease. One of these is a urine protein-creatinine ratio (UPCR) test, which is done by collecting and analyzing a urine sample.Additional Information. HVA is the major terminal metabolite of the dopamine pathway. VMA is the major terminal metabolite of the norepinephrine pathway. HVA is often excreted in excess amounts by neuroblastomas, ganglioneuroblastomas, pheochromocytomas, and in Riley-Day syndrome. Excretion may be intermittent.Normal urine protein consists of albumin (≤35 mg/24 hours), other plasma proteins (ie, globulins, haptoglobin, β 2 -microglobulin, and light chain). Tamm-Horsfall glycoprotein secreted by renal tubular cells may contribute ≤50 mg/24 hours. Urinary protein in normals tends to increase with age, exercise, and standing posture.Albumin, serum; BUN; BUN:creatinine ratio; calcium, serum; carbon dioxide, total; chloride, serum; creatinine, serum; glucose, serum; phosphorus, serum; potassium, serum; … 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. 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 ...

As of 2015, LabCorp customers can find the nearest company location by using the Find a Lab tool found on the company’s website. The LabCorp Find a Lab tool uses the customer’s add...LabCorp test: 001370 Components: Creatinine, eGFR If Africn Am, eGFR If NonAfricn Am M-Spike, mg/24 hr (component) Stores: EconoLabs Components: M-Spike, mg/24 hr 10 laboratory tests found. $363.00. Order Walk-In Lab. Basic Metabolic Panel (BMP8) Blood Test. Covered tests: ...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 bleeding, trauma, etc.Specimen. Details. LOINC®. Back to Top. Creatinine Clearance. TEST: 003004. CPT: 82575. Print Share Include LOINC® in print. Synonyms. Clearance, Creatinine. Test Includes. Creatinine, serum; creatinine, urine; eGFR calculation. Special Instructions.Among vascular risk factors, chronic arterial hypertension is a major contributor to cognitive impairment. National Center 7272 Greenville Ave. Dallas, TX 75231 Customer Service 1-...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).Labcorp test details for Lactic Acid Dehydrogenase (LD) In infectious mononucleosis, LD is usually more elevated than AST, and there is usually an isomorphic pattern of LD isoenzymes.In viral hepatitis, by contrast, AST and ALT (the transaminases) are much more increased than is LD, about three or more times higher than total LD, and LD 5 is high. The differential diagnosis of acute infarct of ...Cadmium, urine; creatinine, urine; cadmium:creatinine ratio; cadmium, urine (24-hour) Special Instructions. ... This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration. Methodology. Inductively-coupled plasma/mass spectrometry (ICP/MS)Additional Information. Some neuroblastoma patients are positive for urinary homovanillic acid abnormality but do not excrete increased VMA. Twenty percent to 32% of patients with neuroblastoma do not have elevation of VMA. Many will have other laboratory abnormalities such as increased metanephrines, homovanillic acid (HVA), or dopamine.

LabCorp test: 001370 Components: Creatinine, eGFR If Africn Am, eGFR If NonAfricn Am M-Spike, mg/24 hr (component) Stores: EconoLabs Components: M-Spike, mg/24 hr 10 laboratory tests found. $363.00. Order Walk-In Lab. Basic Metabolic Panel (BMP8) Blood Test. Covered tests: ...

We would like to show you a description here but the site won't allow us.Measure and record on the test request form the 24-hour total volume. Mix well. Transfer the urine into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 49482). Label the container with the patient's name, date, and time collection started and finished. The specimen should be frozen immediately and maintained frozen until ...Measure and record on the test request form the 24-hour total volume. Mix well. Transfer the urine into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 49482). Label the container with the patient's name, date, and time collection started and finished. The specimen should be frozen immediately and maintained frozen until ...14-3-3 eta is highly specific for RA. Serum 14-3-3 eta may be especially helpful in identifying patients with early RA where it provides a 15% incremental benefit to the diagnostic sensitivity of markers, Rheumatoid Arthritis (RA) Factor and Cyclic Citrullinated Peptide (CCP) Antibodies. 1 See table. Diagnostic sensitivity: Complementarity ...We would like to show you a description here but the site won't allow us. 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. Protein, Creatinine Ratio Urine. Order Name PROT CR RU. Test Number: 3010000. Revision Date 05/28/2021. Test Name. Methodology. LOINC Code. Protein Urine Random. Pyrogallol Red.Preferred Specimen(s) 2 mL random urine collected in a preservative-free urine collection container (cup) Minimum Volume. 1.5 mL. Collection InstructionsIf your doctor has ordered blood work for you or perhaps a new job requires you to undergo a drug screen, you can head to a LabCorp location to take care of these and other scenari...

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Labcorp is a leading provider of medical laboratory services, offering a wide range of tests and screenings for individuals seeking to monitor their health or diagnose potential me...Labcorp test details for Monitor Screen 14-Drug Class Profile (Labcorp MedWatch®) Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay a Bill Shop for ... Creatinine, Urine: mg/dL: 2161-8: 733726: 733726 13+Oxycodone+Crt-Scr: 69739-1: 788924: pH, Urine: 2756-5: 733726: 733726 13+Oxycodone+Crt-Scr ...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...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 $58.00Normal serum creatinine ranges between 0.6-1.3 mg/dL for adult men and 0.5-1.1 mg/dL for adult women. Higher levels indicate possible kidney dysfunction or damage. Creatinine levels may be evaluated along with BUN, electrolytes and GFR for a more complete assessment of kidney function. In some cases, a creatinine clearance test over 24 hours ...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 minerals and acidity. Measuring CKD complications: anemia. Measuring CKD complications: mineral and bone disorder (CKD-MBD) Measuring CKD complications: cardiovascular disease (CVD)Since the onset of action is slow (5 to 10 days), parenteral administration is of no advantage. The plasma half-life is 17 to 36 hours, and this drug is eliminated almost entirely by the kidneys. Lithium clearance averages approximately 20% of creatinine clearance, but significant variability exists among patients.Sodium, Random Urine without Creatinine - The excretion of sodium varies with dietary intake. There is a diurnal variation of sodium excretion with excretion being greater during daytime than during the night. Decreased levels are seen in congestive heart failure, excessive sweating, diarrhea, pyloric obstruction, malabsorption and primary aldosteronism.Sodium, 24-Hour Urine with Creatinine - The excretion of sodium varies with dietary intake. There is a diurnal variation of sodium excretion with excretion being greater during daytime than during the night. Decreased levels are seen in congestive heart failure, excessive sweating, diarrhea, pyloric obstruction, malabsorption and primary aldosteronism. ….

Purchase your own health tests. With Labcorp OnDemand, you can purchase the same tests trusted by doctors, directly from Labcorp. Get trusted, confidential results on everything from general health checks to specific areas like fertility, anemia, diabetes, allergies and more. Shop All Tests.Mar 19, 2024 · Sampling time is preshift (meaning 16 hours without exposure). Optional protocol: 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). Serum creatine levels may be significantly increased in amyotrophic lateral sclerosis, dermatomyositis, myasthenia gravis, starvation, muscular dystrophies, and trauma. …Decrease in RBC count may be the result of red cell loss by bleeding or hemolysis (intravascular or extravascular), failure of marrow production (due to a broad variety of causes), or may be secondary to dilutional factors (eg, intravenous fluids). Increase in RBC count may be the result of primary polycythemia (polycythemia vera) or secondary ...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 ...The serum creatinine concentration can be falsely elevated due to drug-induced inhibition of creatinine secretion (trim-ethoprim, cimetidine), interference with the alkaline picrate assay for creatinine (ketones, ketoacids, some cephalosporins) or creatinine supplementation.2,10 In these circumstances, GFR estimates will be falsely low.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 ...The BUN/Creatinine ratio is useful in the differential diagnosis of acute or chronic renal disease. → An increased ratio of BUN to creatinine may be due to conditions that cause a decrease in the flow of blood to the kidneys, such as congestive heart failure or dehydration. Congestive heart failure is a long-term condition that happens when your heart cannot pump blood well enough to give ...Creatinine Clearance With Body Surface Area Normalization test cost is between $90.00 and $120.00. None Creatinine Clearance With Body Surface Area Normalization test cost minimal is in Walk-In Lab (Creatinine Clearance 24-Hour Urine and Blood Test With Body Surface Area Normalization) with price $90.00. Creatinine Clearance With Body Surface ...Protein:creatinine factor in a first-morning or random untimed "spot" urine specimen is strongly testing into ascertain chronic kidney disease. 1 It is also used to evaluate nephrotic syndromes; work up other renal diseases, including malignant hypertension, glomerulonephritis, Goodpasture syndrome, cryoglobulinemia, toxemia of pregnancy, drug nephrotoxicity, and renal tubule lesions; handle ... Labcorp creatinine, Labcorp test details for Prostaglandin D2/Creatinine Ratio, Urine, AGAT and GAMT deficiencies are inherited in an autosomal recessive manner, while the creatine transporter defect is X-linked. Diagnosis is possible by measuring guanidinoacetate (GAA), creatine (Crn) in plasma and urine. The profiles are specific for each clinical entity. Patients with GAMT deficiency typically exhibit normal to low Cr, very ..., When your doctor has ordered some lab work for you, or a new employer requires a drug screen, it is easier than ever to make an appointment online and do so at your convenience on ..., Iodine Deficiency Disorders by Age Group 1; Age Groups. Health Consequences of Iodine Deficiency. All ages. Goiter. Increased susceptibility of thyroid gland to nuclear radiation , Sodium, Random Urine without Creatinine - The excretion of sodium varies with dietary intake. There is a diurnal variation of sodium excretion with excretion being greater during daytime than during the night. Decreased levels are seen in congestive heart failure, excessive sweating, diarrhea, pyloric obstruction, malabsorption and primary aldosteronism., C-peptide is a single chain 31-amino acid (AA 33-63) connecting (C) polypeptide with a molecular weight of approximately 3021 daltons. 2,3 In the process of biosynthesis of insulin, the C-peptide is formed as a byproduct together with insulin by the proteolytic cleavage of the precursor molecule proinsulin, stored in secretory granules in the ..., • Peritoneal: Not established • Pleural: − Transudate: <3 g/dL. − Exudate: >3 g/dL • Synovial: <2.5 g/dL. The method performance specifications have not been established for this test in body fluid., 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 rule out renal function impairment: serum creatinine is not sensitive to early renal damage since it varies with age, gender and ethnic background. The impact of these variables can be reduced by an estimation of the ..., TEST: 003012. CPT: 82570. Print Share Include LOINC® in print. Synonyms. Urine Creatinine, 24-Hour. Test Includes. Urine creatinine in mg/dL and mg/24 hours. Special Instructions. Record total 24-hour urine volume on the request form. Expected Turnaround Time. Within 1 day., Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 716720: Organic Acid Analysis, Urine: 49287-6: 716721: Organic Acid Interpretation, Order a Creatinine Clearance 24-Hour Urine and Blood Test to evaluate the rate and efficiency of kidney filtration. Contact Us 1-800-539-6119. ... Walk-In Lab is prohibited from selling LabCorp tests to residents in the following states:NY, NJ, RI, MA, MD. Quest. Buy Quest: $57.00 . Sample Report Compare. Test Code: 7943. CPT Code(s): 82575., Introduction. Acute kidney injury (AKI) occurs commonly in hospitalized patients and carries a high mortality [1-3].The causes of AKI are often divided into three groups: pre-renal, intra-renal and post-renal [4-6].Pre-renal failure, also called pre-renal azotemia (PRA), is described as a reversible increase in serum creatinine and urea concentrations resulting from decreased renal ..., 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 ..., Kinetic Alkaline Picrate (Jaffe) 20624-3. Creatinine Urine Timed Estimated. Creatinine, Urine, 24 Hour. 2162-6. Hours Collected - Prompt. 30211-7. Volume 24 Urine Prompt., Labcorp test details for Litholink Serum Panel (Sodium, Potassium, Chloride, CO2, Creatinine, Calcium, Phosphorus, Magnesium, Uric Acid), Use. Protein:creatinine ratio in a first-morning or random untimed "spot" urine specimen is recommended testing to ascertain chronic kidney disease. 1 It is also used to evaluate nephrotic syndromes; work up other renal diseases, including malignant hypertension, glomerulonephritis, Goodpasture syndrome, cryoglobulinemia, toxemia of pregnancy ..., Discover the best social media company in Bridgeport. Browse our rankings to partner with award-winning experts that will bring your vision to life. Development Most Popular Emergi..., Collection. 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. Label container with patient's name, date and time collection started, and date and time collection finished., Albumin/Creatinine Ratio, Random Urine (LabCorp). Get know how much does lab test cost. Direct access testing with or without insurance. ... Albumin/Creatinine Ratio, Random Urine test cost minimal is in RequestATest (Albumin (Microalbumin):Creatinine Ratio Urine Test) with price $49.00. ..., A renal function test used in eGFR calculation. 2 High creatinine: Renal diseases and insufficiency with decreased glomerular filtration, urinary tract obstruction, reduced renal blood flow including congestive heart failure, shock, and dehydration; rhabdomyolysis can cause elevated serum creatinine.Low creatinine: Small stature, debilitation, decreased muscle mass; some complex cases of ..., Labcorp 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. , ... creatinine (end of shift), Benzene exposure: 50 mg/g creatinine, Biological Tolerance Value (BAT): Phenol exposure: 300 mg/L (end of exposure or end of ..., Labcorp test details for Prostaglandin D2/Creatinine Ratio, Urine, The degree of permeability of the blood-brain barrier can be evaluated by the quantitative measurements of albumin in the CSF and the serum on specimens obtained at the same time. Albumin is a particularly suitable indicator of protein because it is neither synthesized nor metabolized intrathecally. In CSF that is free of blood contamination ..., Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 322000: Comp. Metabolic Panel (14) 24323-8: 001032: Glucose: mg/dL: 2345-7, Creatinine 001370 Creatinine Clearance 003004 Glucose 001032 Lipase, Serum 001404 Magnesium, Serum 001537 Potassium 001180 Protein, Total 001073 Protein, Total (24-Hour Urine) 003277 Rheumatoid Arthritis (RA) Factor 006502 Sodium 001198 Uric Acid, Serum 001057 Vitamin D, 25-Hydroxy 081950 Hematology, Macroamylasemia is characterized by high serum amylase but normal urine amylase. The amylase:creatinine ratio remains useful for the diagnosis of macroamylasemia, but its nonspecificity has otherwise left it with few other applications. In macroamylasemia the clearance is very low. 1 Unlike serum amylase, urine amylase levels are normal with renal failure., LabCorp test details for Catecholamines, Fractionated, Urine (Includes Creatinine) Skip to main content Close Menu. Logins. Individuals & Patients ... (Includes Creatinine) TEST: 500520 . Test number copied. CPT: 82384; 82570 Print Share. Synonyms. Epinephrine (Adrenaline) Test Includes. Epinephrine, Norepinephrine, Creatinine. Expected ..., Scientifically rigorous, extensive in scale. Our global lab footprint, vast clinical data and scientific expertise help accelerate the drug development process. Learn More. LABCORP ONDEMAND. Stop wondering. Go test yourself. Explore over 50 self-ordered lab tests and get answers about your health. Shop All Tests., Use. This test is used to evaluate glucose 6-phosphate dehydrogenase (G6PD) deficiency. G6PD deficiency, an X-linked disorder, is the most common enzymatic disorder of red blood cells in humans, affecting more than 400 million people worldwide. The clinical expression of G6PD variants encompasses a spectrum of hemolytic syndromes., This is an automated standard analysis to diagnose creatine kinase (CK) or creatine phosphokinase or phosphocreatine kinase., 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 ..., 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.