Labcorp test code for uric acid

Uric Acid, 24 hr Urine Uric Acid, Urine..... 52 Uric Acid,Urine 24hr.....52 Table of Contents CLICK ON THE TEST TO SEE THE REFERENCE RANGES Visit our online Test Menu at labcorp.com for complete test details, including specimen requirements and CPT codes.

Order Name URIC ACID Test Number: 2005750 Revision Date 06/04/2021. Test Name Methodology LOINC Code; Uric Acid Uricase: 3084-1 SPECIMEN REQUIREMENTS; Specimen: Specimen Volume (min) Specimen Type: Specimen Container: Transport Environment ... Labcorp Oklahoma, Inc.Uric Acid, 24-Hour Urine test cost minimal is in RequestATest (Uric Acid Urine (24 Hour) Test) with price $39.00. Uric Acid, 24-Hour Urine test cost max is in Health Tests Direct (Women's Comprehensive Health Panel) with price $213.24. This laboratory test is available in 3 online lab test stores. $39.00.A disorder of disease that causes excessive release of a lipoactive hormone (epinephrine, ACTH, GH, etc) can induce an elevation of blood level of fatty acids. A sustained release of fatty acids from adipose cells in excess of energy needs can contribute to the development of secondary hyperlipoproteinemia.Scientifically rigorous, extensive in scale. Our global lab footprint, vast clinical data and scientific expertise help accelerate the drug development process. Stop wondering. Go test yourself. Explore over 50 self-ordered lab tests and get answers about your health. Laboratory Corporation of America (LabCorp) Test Menu; Quest Diagnostics Test Directory . ... Test Code URIC URIC ACID, SERUM Additional Codes. Software Additional Information. Leptin is a 16-kilodalton protein that was first identified when it was cloned in 1994. 3,4 Humans and mice with defects in the gene that codes for leptin, referred to as the obese or OB gene, tend to become morbidly obese. 4 Obese mice with the ob/ob defect lose weight when treated with exogenous leptin. 4 Leptin is ...

Lab Name. Uric Acid. Lab Code. URIC. Epic Name. Uric Acid, Serum. Synonyms. Urate Elevated levels of uric acid in the blood are known as hyperuricemia, which is often linked to gout and kidney stones. Fortunately, it can be tested relatively cheaply in the Philippines. The cost of a blood uric acid (BUA …Labcorp test details for Thyroid Profile With TSH. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 000620: Thyroid Panel With TSH: 90224-7: 004264: TSH: uIU/mL: 11580-8: 000620: Thyroid Panel With TSH: Encounter for screening for other metabolic disorders. Z13.228 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2024 edition of ICD-10-CM Z13.228 became effective on October 1, 2023. Immediately after blood is drawn, add 2 mL of whole blood from the gray-top tube to 2 mL of 8% perchloric acid (PeopleSoft No. 111749) (7 mL of 70% perchloric acid diluted to 100 mL with deionized water). Note: Use 1:1 blood (ie, equal parts) to 8% perchloric ratio if less blood is obtained. Shake mixture vigorously for about 30 seconds.

There are two Uric Acid CPT codes and three HCPS codes that can be used to bill for Uric Acid procedures. The official descriptions of these codes and a short version of each descriptions are given below. CPT Code 84550 Long description: Uric acid tests, blood samples. Short description: Uric acid test, blood. CPT Code... 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. Test Code. 4563. CPT Code(s) 89060. Print. Test Code. 4563. CPT Code(s) 89060. Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order. ... Uric Acid Crystals. LOINC® Codes, Performing Laboratory . Service Area must be determined.Sometimes special preparation is required to improve the accuracy of a test. This may involve: Fasting (not eating any or certain foods) for several hours or even overnight. Drinking more or less water than usual. Avoiding certain medications or vitamin and herbal supplements prior to testing.Uric Acid - Serum uric acid measurements are useful in the diagnosis and treatment of numerous renal and metabolic disorders, including renal failure, gout, leukemia, …

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Laboratory tests search details. Uric Acid, Urine (component) ( remove ) Stores: EconoLabs, Health Tests Direct, RequestATest. Components: Uric Acid, Urine. Uric …Labcorp test details for Phosphorus.Uric Acid, Urine (LabCorp). Get know how much does lab test cost. Direct access testing with or without insurance. Uric Acid, Urine in online lab tests stores ... (Uric Acid Urine (24 Hour) Test $39.00) Step 2: Checkout - go to Checkout and complete the checkout process there. Your total price should be $39.00Labcorp test details for Cell Count, Synovial Fluid With Crystals. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 005231: Cell Ct, Synovial w/Crystals: 005232: Color, Fluid: 6824-7: 005231: Cell Ct, …Clinical Significance. Uric Acid, Random Urine with Creatinine - Urine uric acid may supplement serum uric acid testing when trying to identify conditions in which there is alteration of uric acid production or excretion, e.g., gout, leukemia, renal disease. The amount of uric acid excreted may be useful in treating asymptomatic hyperuricemia.

Labcorp test details for Vitamin B12. Skip to main content Close Menu. Logins. Individuals & Patients ... diagnose folic acid deficiency; evaluate hypersegmentation of granulocyte nuclei; ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 001503: Vitamin B12: 2132-9: 001503:CMP, Chem Panel 14. Test Code: 322000. Specimen Type: Blood. Description: Comprehensive Metabolic Panel Blood Test (Labcorp) A Comprehensive Metabolic Panel (CMP) is a broad screening test that is used to evaluate organ function and electrolyte balance as well as aid in the diagnosis of conditions such as diabetes, liver disease, and …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.UA, Urate. Test Code: 001057. Specimen Type: Blood. Description: Uric Acid Blood Test (Labcorp) This test measures Uric Acid levels in the blood. Uric Acid is produced by the breakdown of cells as they grow old and deteriorate. Most uric acid is filtered by the kidneys and removed from the body in urine. If too much uric acid builds up in the ...Uric Acid. 001057. Bilirubin, Total. 001099 ... Test Name. Test No. ... Visit www.Labcorp.com for full test information, including. CPT codes and current specimen ... Labcorp test details for Urea Nitrogen ... with uric acid levels in 16 of 17 patients <4 mg/dL, ... Result Code Result Code Name UofM Result LOINC; 001040: BUN: Apr 16, 2023 ... ... LabCorp the very next day to get the labs done. ... ADD “Uric Acid” under “Insulin Sensitivity” ... It could be a good starting point since this ... Order this Uric Acid Blood Test to measure uric acid levels in the blood and helps screen for gout or kidney stone formation. Uric acid is a chemical created due to the breakdown of purines in the body. Purines are nitrogen-containing substances found in the body's cells. Purines may also be found in certain foods, including liver, anchovies ... Labcorp test details for Ammonia, Plasma. Skip to main content Close Menu. Logins ... lactate may increase, CK may increase and CK-MB may be elevated. Uric acid may increase. 1,2 Increased ammonia and prolonged prothrombin time provide indicators of disease ... Result Code Result Code Name UofM Result LOINC; 007054: Ammonia, …Plastic urine container without preservative (preferred). 6N HCl or 1g/L Boric acid may be added as a preservative, but may adversely impact other tests for kidney stones or urinalysis. Collection 24-hour urine: Instruct the patient to …

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 005355: Crystal,Synovial/Joint Fl: 6825-4: 005355: Crystal,Synovial/Joint Fl

Labcorp test details for Ammonia, Plasma. Skip to main content Close Menu. Logins ... lactate may increase, CK may increase and CK-MB may be elevated. Uric acid may increase. 1,2 Increased ammonia and prolonged prothrombin time provide indicators of disease ... Result Code Result Code Name UofM Result LOINC; 007054: Ammonia, …In today’s competitive job market, finding the right candidate with the necessary coding skills can be a daunting task for employers. One of the primary reasons why coding assessme...Laboratory Corporation of America (LabCorp) Test Menu; Quest Diagnostics Test Directory . ... Test Code URIC URIC ACID, SERUM Additional Codes. SoftwareNormal 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.When looking for a masonry cleaner, there are many options out there for you to choose from. One of the most popular choices is muriatic acid, but is it Expert Advice On Improving ...Uric acid levels are typically 2.5–7.0 milligrams per deciliter (mg/dL) in males and 1.5–6.0 mg/dL in females. Low levels are rare, but high levels can lead to gout, kidney disease, and other ...Labcorp test details for Calcium, Urine. Skip to main content Close Menu. Logins ... Taylor EN. 24-h uric acid excretion and the risk of kidney stones. Kidney Int. 2008 Feb;73(4):489-496. 18059457. LOINC® Map. Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 003269: Calcium, 24Hr Urine: 6874-2: 013490 ...Methodology: Calcium, Magnesium, Creatinine, Oxalate, Citrate, Uric Acid, Urea Nitrogen, Phosphorus ammonium, and cystine screening: Colormetric Sulfate: Tubidity with barium precipitation Sodium, Potassium, Chloride: Fluoride for urine volume - Ion specific electrode pH: Potentiometry. Labcorp Oklahoma Order Code: 5195179 Litholink 24Hr Urine ... Test Number. Test Name. Inflammatory Markers. 120766. C-Reactive Protein (CRP), High Sensitivity (Cardiac Risk Assessment) 001610. Fibrinogen Activity. 117052. Fibrinogen Antigen.

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Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Clinic Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing. ... Uric Acid, Body ...The patient with high cholesterol (>240 mg/dL) should have a lipid panel. Patients with cholesterol levels between 200−240 mg/dL plus two other coronary heart disease risk factors should also have a lipid panel. 1 In addition to application in screening programs for evaluation of risk factors for coronary arterial disease, lipid profiling may ...General Information. Lab Name. Uric Acid. Lab Code. URIC. Epic Name. Uric Acid, Serum. Synonyms. Urate. Department of Laboratory Medicine and Pathology, UW …Plastic urine container without preservative (preferred). 6N HCl or 1g/L Boric acid may be added as a preservative, but may adversely impact other tests for kidney stones or urinalysis. Collection 24-hour urine: Instruct the patient to void at 8 AM and discard the specimen.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...Oct 1, 2014 ... LabCorp Urine Test ... The stuff with uric acid added is the best bet ... I would not sub, but technically the program is court ordered not the drug ...Use. Pediatric testing for the evaluation of hypertension; diagnose and follow up neuroblastoma, ganglioneuroma, and ganglioneuroblastoma. Most neuroblastoma patients excrete excess HVA in 24-hour collections. If VMA and HVA are both used in work-up, up to 80% of all cases will be detected.Methodology: Calcium, Magnesium, Creatinine, Oxalate, Citrate, Uric Acid, Urea Nitrogen, Phosphorus ammonium, and cystine screening: Colormetric Sulfate: Tubidity with barium precipitation Sodium, Potassium, Chloride: Fluoride for urine volume - Ion specific electrode pH: Potentiometry. Labcorp Oklahoma Order Code: 5195179 Litholink 24Hr Urine ...Gastrointestinal disease can be caused by many agents, including bacteria, viruses and parasites. Culture for bacteria will not pick up the viruses or parasites. Tests for parasites will not detect the viruses or the bacteria. This GI profile is a multiplexed nucleic acid test intended for the simultaneous qualitative detection and ... Test Number. Test Name. Inflammatory Markers. 120766. C-Reactive Protein (CRP), High Sensitivity (Cardiac Risk Assessment) 001610. Fibrinogen Activity. 117052. Fibrinogen Antigen. Uric acid levels can vary based on sex. Normal values are 1.5 to 6.0 milligrams/deciliter (mg/dL) for women and 2.5 to 7.0 mg/dL for men. However, the values may vary based on the lab doing the ... ….

Use. A timed 24-hour urine collection is the preferred specimen for measuring and interpreting this urinary analyte. Random collections normalized to urinary creatinine may be of some clinical use in patients who cannot collect a 24-hour specimen, typically small children. The mean urinary citrate excretion rate in patients with idiopathic ...Labcorp is a leading provider of medical laboratory services, offering a wide range of tests and screenings to help individuals maintain their health and well-being. Labcorp has nu...Labcorp test details for Calculi, with Photograph. Skip to main content Close Menu. Logins ... Uric acid. C 5 H 4 N 4 O 3. Uric acid dihydrate. C 5 H 4 N 4 O 3 • 2H 2 O. Ammonium acid urate. C 5 H 3 N 4 O 3 NH 4. ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 910180: Stone Analysis: 74446-6: …Labcorp test details for Prolactin. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 004465: Prolactin: 2842-3: 004467: Prolactin: ng/mL: 2842-3: Test Menu Right Side Menu.The test tells you how much uric acid is in your blood. It measures the uric acid in milligrams (mg) and the blood in deciliters (dL), so you’ll see a number with units of mg/dL.Additional Information. B-type natriuretic peptide (BNP), also referred to as brain natriuretic peptide, is a member of a family of structurally similar peptide hormones that includes atrial natriuretic peptide. 1 BNP is a 32-amino-acid peptide that contains a 17-amino-acid ring structure that is formed as the result of an internal disulfide bond.Labcorp test details for ABO Grouping and Rho(D) Typing. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 006049: ABO Grouping and Rho(D) Typing: 34530-6: 006056: ABO Grouping: 883-9: 006049:Panel includes calcium, citric acid, creatinine, oxalate, and uric acid. Preferred test is Supersaturation Profile, Urine (2008771) or Calculi Risk Assessment, Urine (2008708). ||Thoroughly mix entire ... Component Test Code* Component Chart Name LOINC; 0020205: Calcium, Urine - per volume: 17862-4: 0020206: Calcium, Urine - per 24h: …Dec 18, 2023 · Methodology: Calcium, Magnesium, Creatinine, Oxalate, Citrate, Uric Acid, Urea Nitrogen, Phosphorus ammonium, and cystine screening: Colormetric Sulfate: Tubidity with barium precipitation Sodium, Potassium, Chloride: Fluoride for urine volume - Ion specific electrode pH: Potentiometry. Labcorp Oklahoma Order Code: 5195179 Litholink 24Hr Urine ... Labcorp test code for uric acid, Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 123500: Oxalate/Creat Ratio, Random U: 103903: Oxalates, Urine: mg/L: 2700-3, Reflex Table for Acid Fast Culture; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 183396: Organism ID by MALDI Rflx AST: 183403: Organism ID by MALDI: 76346-6: Reflex 2: 183404: Aerobic ID by MALDI: 183404: Aerobic ID by MALDI: 75756-7: Reflex 3: 183285: Organism ID by Sequencing: 183286: Organism ID by Sequencing ..., 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 …, Laboratory Corporation of America (LabCorp) Test Menu; Quest Diagnostics Test Directory . ... Test Code URIC URIC ACID, SERUM Additional Codes. Software , Collect 24-hour urine with 30 mL 6N HCl. Caution: Strong acid. Mix well. Instruct the patient to void at 8 a.m. and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (i.e., 8 a.m. the next morning). Screw the lid on securely. Container must be labeled with patient's full ..., Labcorp test details for Preeclampsia Monitoring Profile With 24-Hour Urine ... acid dehydrogenase (LD); quantitative 24-hour urine total protein; serum creatinine; serum urea nitrogen (BUN); serum uric acid (SUA) ... Result Code Result Code Name UofM Result LOINC; 360640: Preeclampsia Monitor w/24hr U: 001057: Uric Acid: mg/dL:, 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 ..., Label and submit the specimen according to Labcorp's procedures. ... 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. ... Uric acid: 24-hour: None : Room ..., Uric Acid test cost is between $27.00 and $219.00. Uric Acid test cost minimal is in Walk-In Lab (Uric Acid Blood Test) with price $27.00. Uric Acid test cost max is in True Health Labs (Juli Keene Nutritionist’s Optimal Health and Metabolism Check #1) with price $199.00. This laboratory test is available in 9 online lab test stores., Labcorp test details for Complete Blood Count (CBC) With Differential. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 005009: CBC With Differential/Platelet: 57021-8: 005025: WBC: x10E3/uL: 6690-2:, Limitations. With reduced renal blood flow, creatinine rises less quickly than urea nitrogen. Concentration of creatinine only becomes abnormal when about half or more of the nephrons have stopped functioning in chronic progressive renal disease. Antibiotics containing cephalosporin lead to significant false-positive values if samples are drawn ..., Uric Acid, Random Urine without Creatinine - Urine uric acid may supplement serum uric acid testing when trying to identify conditions in which there is alteration of uric acid …, Labcorp test details for β2-Microglobulin. β-2 microglobulin (β 2 MG) is a small membrane protein that is a component of the class I major histocompatibility complex found on the surface of all nucleated cells. 1 β 2 MG is especially abundant on the surface of white blood cells so increased production or destruction of these cells causes serum levels to …, Uric Acid. 001057. Bilirubin, Total. 001099 ... Test Name. Test No. ... Visit www.Labcorp.com for full test information, including. CPT codes and current specimen ..., 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 …, Uric Acid, Random Urine with Creatinine - Urine uric acid may supplement serum uric acid testing when trying to identify conditions in which there is alteration of uric acid …, TEST 001057. CPT 84550. Synonyms. UA. Urate. Test Details. Specimen Requirements. Test Details. Turnaround Time. Within 1 day. View Requisition Forms Login or Register for Labcorp Link™. Use., Test Number Test Name; Inflammatory Markers: 120766: C-Reactive Protein (CRP), High Sensitivity (Cardiac Risk Assessment) 001610: Fibrinogen Activity: 117052: Fibrinogen Antigen: 500140: Heart Disease and Stroke Risk Profile: 706994: Homocysteine, Plasma: 146787: Plasminogen Activator Inhibitor 1 (PAI-1) Activity: 005215: Sedimentation Rate ..., Labcorp test details for Gastrointestinal Profile, Stool, PCR Skip to main content Close Menu. Logins ... This GI profile is a multiplexed nucleic acid test intended for the simultaneous qualitative detection and identification of nucleic acids from ... Result Code Result Code Name UofM Result LOINC; 183480: GI Profile, Stool, PCR: 82195-9: 183481:, Citric Acid, 24-Hour Urine without Creatinine - This quantitative citric acid test, performed with a 24-hour urine specimen, may help assess the risk of calcium stone formation in the kidneys and inform patient management [1]. In general, 24-hour urine specimens are preferred to random urine specimens when measuring citric acid for diagnostic …, 24-hour At-Home Urine Testing. The Litholink 24-hour At-Home Collection kit produces laboratory results that requires an electronic lab order from your medical provider via an EMR or Labcorp Link. If you have a manual Test Request Form (lab order) from your provider, you can request your At-Home kit through Labcorp’s patient portal ..., There are two Uric Acid CPT codes and three HCPS codes that can be used to bill for Uric Acid procedures. The official descriptions of these codes and a short version of each descriptions are given below. CPT Code 84550 Long description: Uric acid tests, blood samples. Short description: Uric acid test, blood. CPT Code..., Description: Uric Acid Urine Test (Quest) This test measures Uric Acid levels in a urine sample. Uric Acid is produced by the breakdown of cells as they grow old and deteriorate. Most uric acid is filtered by the kidneys and removed from the body in urine. If too much uric acid builds up in the blood it can form into crystals in the joints ..., Labcorp test details for Calcium, Urine. Skip to main content Close Menu. Logins ... Taylor EN. 24-h uric acid excretion and the risk of kidney stones. Kidney Int. 2008 Feb;73(4):489-496. 18059457. LOINC® Map. Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 003269: Calcium, 24Hr Urine: 6874-2: 013490 ..., Specimen Type Blood Collection. Note: If patient is receiving Uric Acid Oxidase (Rasburicase), collect blood in GREEN TOP tube, put on wet ice immediately after collection and transport to laboratory immediately.HMC and UW-MT Onsite Locations:Preferred: 4 mL blood in LIME GREEN PST tube Also Acceptable: 4 mL blood in GOLD SST, ORANGE …, Use. This test is used for differential diagnosis of hypercalcemia. PTH is an 84-amino acid peptide hormone that 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. , Description: Mag Full Monty Panel with Uric Acid (Labcorp) This panel combines Magnesium RBC with other related tests to help assess overall health, nutrition, and metabolism. The mag Full Monty Panel was assembled based on the recommendation of Morley Robbins of the Magnesium Advocacy Group . Visit the Root Cause Protocol for more information., For a 24-hour collection, instruct patient to void at 8 AM (or 8 PM), and discard the specimen. Then collect all the urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM [or 8 PM] the following day). Container must be labeled with patient's name and date and time collection started and finished., Denise asks "On one of your episodes, Joe Truini said that muriatic acid would remove scum and water deposits from tile in a bathroom. Where can I purchase muriatic acid?"Muriatic ..., Labcorp test details for Calcium ... Taylor EN. 24-h uric acid excretion and the risk of kidney stones. ... Order Code Name Order Loinc Result Code Result Code Name ..., Uric Acid Fluid Source: 31208-2 * Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a ... , Dec 18, 2023 · Methodology: Calcium, Magnesium, Creatinine, Oxalate, Citrate, Uric Acid, Urea Nitrogen, Phosphorus ammonium, and cystine screening: Colormetric Sulfate: Tubidity with barium precipitation Sodium, Potassium, Chloride: Fluoride for urine volume - Ion specific electrode pH: Potentiometry. Labcorp Oklahoma Order Code: 5195179 Litholink 24Hr Urine ... , Uric acid. C 5 H 4 N 4 O 3. Uric acid dihydrate. C 5 H 4 N 4 O 3 • 2H 2 O. Ammonium acid urate. C 5 H 3 N 4 O 3 NH 4. Sodium acid urate monohydrate. C 5 H 3 N 4 O 3 Na • H 2 O. Cystine [-SCH 2 CHNH 2 COOH] 2. Xanthine. C 5 H 4 N 4 O 2