COVID-19 Testing Options: PCR, Rapid, and Antigen Tests Explained
By Express Urgent Care – Diamond Bar, CA
When you or a loved one start experiencing COVID-like symptoms—such as fever, cough, sore throat, or fatigue—getting tested quickly is key to protecting yourself and others. But with multiple testing options available, it can be confusing to know which one to choose. At Express Urgent Care in Diamond Bar, CA, we make the process simple by offering a variety of COVID-19 tests that are fast, accurate, and suited to your specific needs.
Understanding the Different COVID-19 Test Types
1. PCR Test (Polymerase Chain Reaction)
PCR tests are the gold standard for COVID-19 detection. They identify the virus’s genetic material using a highly sensitive molecular technique.
- Accuracy: Extremely high – can detect even low levels of the virus.
- Turnaround Time: Results are typically available within 24 hours.
- Best For: Travel, work clearance, medical procedures, or when the highest level of accuracy is required.
- Sample Type: Usually a nasal or throat swab.
2. Rapid Antigen Test
Rapid antigen tests detect specific proteins on the surface of the virus and provide quick results.
- Accuracy: High for people with active infections, though slightly less sensitive than PCR tests.
- Turnaround Time: Results within 15–30 minutes.
- Best For: Quick screening for symptoms or exposure; returning to work, school, or travel.
- Sample Type: Nasal swab.
3. Antibody Test (Serology Test)
Antibody tests look for antibodies your immune system produces after infection or vaccination.
- Accuracy: Effective for identifying past infections, not active ones.
- Turnaround Time: Typically within 1–3 days.
- Best For: Determining previous exposure or checking post-vaccine antibody levels.
- Sample Type: Blood sample.
Which Test Should You Choose?
- If you have symptoms or known exposure: A PCR or rapid antigen test is recommended.
- If you need results quickly (for travel or work): The rapid antigen test is ideal.
- If you want to know if you’ve had COVID-19 before: The antibody test will provide that information.
Our team at Express Urgent Care can help you decide which option fits your situation best.
Why Get Tested at Express Urgent Care
- No appointment needed – walk-ins welcome
- Fast, accurate results
- On-site laboratory testing
- Safe and sanitary environment
- Comprehensive care from experienced providers
We follow the latest CDC guidelines to ensure accurate results and patient safety throughout your visit.
Frequently Asked Questions (Q&A)
Q: How long will my PCR results take?
A: PCR test results are typically available within 24–48 hours. We’ll contact you as soon as they’re ready.
Q: Can I get tested even if I don’t have symptoms?
A: Yes, asymptomatic individuals can and should get tested, especially after known exposure or before travel.
Q: Are rapid antigen tests reliable?
A: Yes, when performed properly, rapid antigen tests are highly reliable—especially if you have symptoms or recent exposure. For confirmation, a PCR test may be recommended.
Q: Do you offer COVID-19 testing for travel requirements?
A: Absolutely. We provide both PCR and rapid test results suitable for travel documentation. Check your airline or destination’s requirements before your visit.
Q: How will I receive my test results?
A: Results are provided securely via phone or electronic communication. You’ll be notified as soon as your results are ready.Rapid test results are available within 20 minutes on site.
Q: Can children get tested?
A: Yes, we offer safe and comfortable testing for patients of all ages, including children.
Protect Yourself and Your Community
Regular COVID-19 testing remains one of the most effective ways to prevent the spread of infection. Whether you need a test for work, travel, or peace of mind, our friendly and experienced staff will guide you through every step of the process.
Contact Express Urgent Care
Express Urgent Care
📍 750 N Diamond Bar Blvd Suite 102
Diamond Bar, CA 91765
📞 Phone: (909) 718-2455
🌐 Website: https://expressurgentcareinc.com/
Walk-ins Welcome | Open 7 Days a Week | Fast, Accurate, and Compassionate Care