A member asked:

Aso antibody is 42. does this rule out recent strep infection and risk of rheumatic fever ? the range is 0-200. shouldnt it be 0?

Q: aso antibody is 42. does this rule out recent strep infection and risk of rheumatic fever ? the range is 0-200. shouldnt it be 0?

: I would NEVER expect an ASO titer to be zero in any adult. Past strep infections at any point in life will raise it some. Normal range means normal.

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Dr. James Ferguson answered

I would NEVER expect an ASO titer to be zero in any adult. Past strep infections at any point in life will raise it some. Normal range means normal.

Answered 7/11/2023

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A member asked:

Aso antibody is 42. does this rule out recent strep infection and risk of rheumatic fever ? the range is 0-200. shouldnt it be 0?

A doctor has provided 1 answer

Dr. James Ferguson answered

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