What does aso titer 250 mean?

An ASO titer of 250 refers to the level of antistreptolysin O antibodies in the blood, indicating a response to a recent streptococcal infection. Normal levels typically range from 0 to 200 units per milliliter, so a titer of 250 suggests a significant immune response. Elevated ASO titers can help diagnose conditions like rheumatic fever or post-streptococcal glomerulonephritis. However, it's important to interpret this result in the context of clinical symptoms and other tests.