Anti-Streptolysin O ASO Titre Test
Comprehensive Introduction to ASO Titre Testing
The Anti-Streptolysin O ASO Titre Test represents a cornerstone diagnostic tool in modern infectious disease medicine. This sophisticated blood test plays a vital role in detecting recent or ongoing infections caused by Group A Streptococcus bacteria, which are responsible for conditions ranging from common strep throat to more serious complications like rheumatic fever and post-streptococcal glomerulonephritis. The test’s importance lies in its ability to provide objective evidence of streptococcal infection, even when symptoms have resolved or when the initial infection went undiagnosed.
What the ASO Titre Test Measures
The Anti-Streptolysin O ASO Titre Test specifically measures the concentration of antibodies your immune system produces against streptolysin O, a toxin released by Group A Streptococcus bacteria. When these bacteria infect your body, your immune system responds by creating ASO antibodies to neutralize the toxin. The test quantifies these antibodies through advanced immunoturbidimetry methodology, providing precise measurements that help healthcare providers determine:
- Recent streptococcal infection exposure
- Current immune response to streptococcal bacteria
- Risk assessment for post-streptococcal complications
- Effectiveness of antibiotic treatment
Who Should Consider This Test
Several patient populations benefit significantly from ASO titre testing. Consider this test if you experience:
Symptom-Based Indications
- Persistent sore throat with fever
- Unexplained joint pain or swelling
- Skin rashes following respiratory symptoms
- Fatigue and malaise after suspected infection
- Cardiac symptoms like chest pain or palpitations
- Kidney-related symptoms including dark urine or swelling
Risk-Based Screening
- Recent exposure to streptococcal infections
- Family history of rheumatic fever
- Suspected post-streptococcal complications
- Monitoring treatment response for streptococcal infections
Benefits of ASO Titre Testing
Choosing the Anti-Streptolysin O ASO Titre Test offers numerous advantages for your health management:
- Early Detection: Identifies streptococcal infections before complications develop
- Accurate Diagnosis: Provides objective evidence of recent infection
- Prevention of Complications: Helps prevent rheumatic fever and kidney damage
- Treatment Guidance: Assists healthcare providers in determining appropriate antibiotic therapy
- Peace of Mind: Confirms or rules out streptococcal involvement in symptoms
- Convenient Testing: No special preparation required with daily turnaround
Understanding Your Test Results
Interpreting ASO titre results requires professional medical expertise, but general guidance includes:
Normal Range Results
Normal ASO titre levels typically indicate no recent streptococcal infection. However, individual baseline levels may vary, and your healthcare provider will consider your specific clinical context.
Elevated Results
Increased ASO titres suggest recent streptococcal infection. The degree of elevation and timing of testing relative to symptom onset help determine the clinical significance. Your physician will interpret these results in conjunction with your symptoms and medical history.
Serial Testing
In some cases, healthcare providers may recommend repeat testing to monitor antibody levels over time, as rising titres provide stronger evidence of recent infection than single elevated results.
Test Pricing and Availability
| Price Type | Amount (USD) |
|---|---|
| Discount Price | $16 |
| Regular Price | $18 |
Nationwide Testing Availability
GGC DNA maintains comprehensive testing facilities across the United States, with convenient locations in major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our nationwide network ensures accessible, reliable testing services for patients throughout the country.
Book Your Test Today
Take control of your health with the Anti-Streptolysin O ASO Titre Test. Our streamlined booking process and daily turnaround times ensure you receive timely, accurate results. Contact our dedicated healthcare team at +1(267) 388-9828 to schedule your test or discuss any questions about streptococcal infection screening. Early detection through proper testing can prevent serious complications and guide effective treatment strategies.
Sample Requirements: 2 mL (1 mL minimum) serum from 1 SST. Ship refrigerated or frozen.
Methodology: Immunoturbidimetry
Turnaround Time: Daily
Preparation: No special preparation required

