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Antistreptolysin O (ASO), Serum

Accredited Facility E-report Qualified Specialists

This test measures antibodies against streptolysin O, a toxin produced by Group A Streptococcus bacteria. It helps detect recent streptococcal infection and supports evaluation of related inflammatory complications.

  • After suspected recent streptococcal infection.
  • During evaluation of rheumatic fever or post-streptococcal complications.
  • If unexplained joint pain, fever, or inflammation occurs.
  • During investigation of kidney inflammation after throat infection.
  • As recommended during infectious or autoimmune evaluations.
  • No fasting is required before the test.
  • A blood sample will be collected from a vein.
  • Inform the healthcare provider about recent throat infections or antibiotic treatment.
  • Share previous streptococcal infection history if applicable.
  • Follow all laboratory instructions before sample collection.
  • Antistreptolysin O (ASO), Serum
    No labs currently offering this test.