Antistreptolysin O (ASO) Antibodies Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	$22.49	$22.49
Results in	~2 business days	~5 business days
Sample type	Blood Serum	Blood Serum
Require fasting	No	No

About the test

Anti-Streptolysin O (ASO) Antibody is an antibody produced by the immune system in response to infection with Group A Streptococcus bacteria. Streptolysin O is a toxin released by these bacteria.

Included biomarkers & Reference ranges

Biomarker	Reference range
Antistreptolysin O Antibodies (ASO) An antibody that indicates a recent or past strep throat infection. Used to help diagnose complications like rheumatic fever.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

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Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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