TB Testing Guide

Tuberculosis (TB) Testing for Immigration Medical Exams

Comprehensive guides on QuantiFERON Gold, latent and active TB, and what a positive result means for your immigration case.

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.

TB Testing Articles & Guides

In-depth resources to help you understand every aspect of TB testing in the immigration medical exam process.

QuantiFERON-TB Gold Test: What to Expect

Explains the blood-based TB test used in immigration exams, how it works, turnaround time, and why it replaced the skin test.

5 min readComing Soon

What Does a Positive TB Blood Test Mean?

Walks through what a reactive QuantiFERON result means, next steps, and how it affects your Form I-693.

6 min readComing Soon

TB Follow-Up Requirements for Immigration

Details on what happens after a positive TB test result and how findings are reported on Form I-693.

5 min readComing Soon

Latent TB vs. Active TB: What's the Difference?

Clear explanation of the distinction between latent and active tuberculosis and how each is handled in the immigration medical exam process.

6 min readComing Soon

Class A vs. Class B TB Designations Explained

Explains USCIS Class A and Class B TB classifications, what they mean for your green card application, and follow-up requirements.

7 min readComing Soon

Health Department Referrals for TB

Describes when a Civil Surgeon must refer a patient to the local health department and what that process looks like.

5 min readComing Soon

TB Testing for Children in Immigration Exams

Covers age-specific TB testing requirements for pediatric immigration applicants.

4 min readComing Soon

Frequently Asked Questions About TB and Immigration

Answers the most common questions about TB testing, results, and their impact on immigration cases.

5 min readComing Soon

Frequently Asked Questions

Quick answers to the most common questions about TB testing and immigration.

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