2489. ANA. U1RNP (U1-ribonucleoprotein), IgG antibodies
Description
Antibodies to RNP U1-ribonucleoproteins - found in mixed connective tissue diseases (Sharpe's syndrome), less often in systemic lupus erythematosus and other rheumatic diseases.
When and who needs the test?
- recommended for the diagnosis of systemic connective tissue diseases;
- for differential diagnosis of some autoimmune diseases;
- for monitoring the course and assessing the progression of rheumatic diseases.
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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