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Uric acid (urine) | Laboratory research

Known as: Uric acid (urine) | Laboratory research
SKU: 1918

13.50

Study material: Urine
Response time (working days): 1 ****
The test is done on an empty stomach: no
Home call service: No.
Country: Georgia

General Information

Determination of uric acid excretion in urine is mainly useful in patients with kidney stones. Uric acid lithiasis can develop in both primary gout and secondary hyperuricemia (eg in malignant tumors). Urinary acid nephrolithiasis can complicate ulcerative colitis, Crohn’s disease, and jejunal bypass surgery.

When should we take the test?

  • Gout;
  • Nephrolithiasis.

Possible interpretation of the results

The concentration of uric acid in the urine increases:

  • Nephrolithiasis;
  • Leukemia;
  • Lash-Nihan syndrome;
  • Viral hepatitis;
  • Wilson disease.

The concentration of uric acid in the urine decreases:

  • Chronic kidney disease;
  • Xanthinuria;
  • Folic acid deficiency;
  • Lead poisoning.

Additional information

Hereditary deficiency of the enzyme hypoxanthine-guanine-phosphoribosyltransferase (HPRT) in young patients with gouty arthritis and nephrolithiasis or those who excrete 1000 mg of uric acid / 24 hours a day. The uric acid / creatinine ratio in morning urine samples is used to diagnose Les-Nihan syndrome, which is associated with a complete lack of enzyme activity. To detect partial deficiency of the same enzyme in adult patients with gout, this test can also be used on 24-hour urine samples.

The uric acid / creatinine ratio in spontaneous urine may also be helpful in secondary differentiation of acute renal failure due to gouty nephropathy.

 

How to prepare for the test?

Patient training is not required.

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Testing process

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Resources

Acid uric urine

13.50

Laboratories
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