SCL-70 extractable nuclear Ab
An ANA test is a blood test that looks for antinuclear antibodies in your blood. Antibodies are proteins that your immune system makes to fight foreign substances, like viruses and bacteria. But an antinuclear antibody attacks your healthy cells instead. It's called "antinuclear" because it targets the nucleus of the cells, which is in charge of sending signals that are needed for important cell functions.
Source: MedlinePlus, U.S. National Library of MedicineNormal range
Result tiers from clinical guidelines, not a single normal band.
| Source | Sex | Age | Range |
|---|---|---|---|
| ARUP Laboratories Test Directory | All | all ages | <40 au/mL |
| Mayo Clinic Laboratories (Pediatric Test Catalog) | All | all ages | <1 u |
| Mayo Clinic Laboratories (Pediatric Test Catalog) | All | all ages | >1 u |
details
- Sample
- Serum or plasma · LOINC
- Code
- LOINC 27416-7 · au/mL
- Also known as
- Topo I, Topoisomerase I, anti-topo I, Scleroderma ab, Scleroderma
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