Laboratory Testing for Immigration Medical Exams
Everything you need to know about immigration lab testing — organized into 5 clear topics covering required tests, syphilis, gonorrhea, abnormal results, and blood draw preparation.
Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Always consult a licensed Civil Surgeon or qualified healthcare provider for guidance specific to your immigration medical exam.
Required Lab Tests
Understand exactly which laboratory tests USCIS requires for Form I-693, who must be tested, and how all testing is performed on-site at our clinic.
What Laboratory Tests Are Required for My Immigration Medical Exam?
Complete overview of the standard USCIS lab panel — syphilis, gonorrhea, and TB testing.
Are Lab Tests Done On-Site at Your Immigration Medical Exam Clinic?
Why on-site testing means faster results and fewer appointments for you.
Do I Need to Fast Before My Immigration Medical Exam Lab Tests?
No fasting required — what you can eat, drink, and do before your appointment.
How Long Do Lab Results Take for My Immigration Medical Exam?
Turnaround times by test, when your I-693 will be ready, and how to plan around deadlines.
Syphilis Testing
Syphilis screening is required for all applicants 15 and older. Learn how the RPR test works, what a reactive result means, and whether it affects your green card.
Why Is Syphilis Testing Required for Immigration?
The legal basis, how the two-step RPR process works, and what treated syphilis means for your case.
What Is the RPR Test Used for Immigration?
Plain-language explanation of the rapid plasma reagin test and confirmatory testing.
Is STD Testing Part of the Immigration Medical Exam?
Which STDs are screened, who must be tested, and how your privacy is protected.
Gonorrhea Testing
Gonorrhea NAAT testing is part of the standard immigration lab panel. Understand the test, what a positive result means, and how treatment resolves the finding.
Why Is Gonorrhea Testing Required for Immigration?
Legal basis, NAAT testing method, and what a positive result means for your green card.
Gonorrhea Test Results and Immigration
How to interpret your gonorrhea NAAT result and what happens if it is positive.
Is STD Testing Part of the Immigration Medical Exam?
Overview of all STD screening requirements and confidentiality protections.
Abnormal Results & Follow-Up
An abnormal lab result does not automatically deny your green card. Learn what happens next, when treatment is required, and how findings are documented on Form I-693.
What If My Lab Results Are Abnormal?
How the civil surgeon handles abnormal findings, confirmatory testing, and inadmissibility rules.
Can I Use Lab Results From My Own Doctor?
Why USCIS requires all testing to be ordered by a civil surgeon — and what that means for you.
How Are Lab Samples Handled at the Immigration Medical Exam?
Chain of custody, sample processing, and quality control at our on-site laboratory.
Blood Draw, Titers & Special Topics
Everything about the blood draw experience, titer testing for vaccine immunity, and what to do if you have needle anxiety or special circumstances.
What Happens During the Blood Draw at My Immigration Exam?
Step-by-step walkthrough of the blood draw process and how to prepare.
Titer Test Results and Immigration Medical Exams
How titer testing proves vaccine immunity and what low titers mean for your exam.
What If I Am Afraid of Needles at My Immigration Medical Exam?
Practical strategies for managing needle anxiety during your immigration lab tests.
All Laboratory Testing Articles
Browse all 15 lab testing Q&A articles, or visit the full index for a complete listing.
Laboratory Resource Center
Deep-dive technical articles on QuantiFERON-TB Gold, syphilis RPR, gonorrhea NAAT, titer testing, and interpreting abnormal results.
Frequently Asked Questions
Quick answers to the most common questions about immigration lab testing.
Ready to Complete Your Immigration Lab Testing?
All required lab tests included in our all-inclusive flat fee. Same-day appointments available.