Latent tuberculosis alone does not make you ineligible for a green card. For tuberculosis, federal health rules list only the active form as a communicable disease that can bar a green card. How does latent TB affect your green card application? It usually adds medical steps rather than barring you.
Latent tuberculosis infection, often called LTBI, means TB bacteria are present without active disease. The Centers for Disease Control and Prevention (CDC) calls LTBI a condition that is not infectious. After a positive TB test, the doctor must rule out active disease, classify the result and, in some cases, report it to public health officials. Those steps can add time, especially when the doctor needs more tests.
Active TB is different. It can make an applicant inadmissible, meaning barred from receiving a visa or green card, until treatment is complete. Certain relatives of U.S. citizens and permanent residents can ask the Department of Homeland Security (DHS) for a waiver.
How the Immigration Medical Exam Screens for TB
Green card applicants generally complete a medical exam with a doctor the U.S. government designates. Which doctor you see depends on where you apply, and the TB rules differ slightly for each path. Faragalla Law helps family-based applicants abroad prepare for each step, including this exam, through its consular processing practice.
Applying From Inside the United States
Applicants for adjustment of status, which means seeking a green card without leaving the United States, see a civil surgeon. A civil surgeon is a physician DHS designates for these exams. The civil surgeon records the results on Form I-693.
Under CDC rules, every applicant age 2 or older must take an interferon-gamma release assay (IGRA), a blood test for TB. A positive IGRA leads to a chest x-ray. Some applicants have a positive IGRA but a normal chest x-ray, no symptoms and no known HIV infection. They receive the classification Class B2 TB, Latent TB Infection.
Applying From Abroad Through Consular Processing
Consular processing means applying for an immigrant visa at a U.S. embassy or consulate abroad. A panel physician, a doctor the embassy or consulate selects, performs the exam. Every applicant 15 or older gets a chest x-ray.
Applicants 2 or older also get an IGRA if they have the exam in a country with a higher TB rate. CDC sets that line at a World Health Organization estimate of at least 20 cases per 100,000 people.
A positive test with an otherwise negative TB evaluation leads to the classification Class B2 TB, LTBI Evaluation. Panel physicians may offer voluntary treatment. Travel clearance for that result lasts 6 months from the completed evaluation. If the clearance expires before travel, the applicant may need a new exam.
When Can Latent TB Affect Your Green Card Application?
A positive TB test matters more when the chest x-ray looks abnormal or the applicant has symptoms. In the United States, the applicant must then provide three early morning sputum specimens. The civil surgeon must also refer an applicant whose x-ray suggests infectious TB to the health department. Until the applicant returns from that evaluation, the civil surgeon cannot classify the result, sign Form I-693 or submit the record.
Abroad, a panel physician gives a Class A classification to an applicant with infectious TB that needs treatment. The physician does not clear that applicant for travel until treatment is complete, unless DHS grants a Class A waiver. Treatment must also follow the CDC rules for directly observed therapy. An applicant whose x-ray or symptoms raised concern but whose cultures come back negative receives a Class B1 classification instead.
Take a married applicant from the Philippines whose IGRA is positive and whose chest x-ray shows old scarring. The panel physician may require sputum cultures before issuing any TB classification. If the cultures come back negative, she may receive a Class B1 classification. The extra testing still adds time to her case.
Do You Need Treatment for Latent TB Before Getting a Green Card?
You do not need LTBI treatment to get a green card. The CDC instructions for civil surgeons and for panel physicians both say treatment is not required for immigration purposes. Civil surgeons must still tell you that treatment is important to prevent infectious TB disease.
Your diagnosis also reaches public health officials. Civil surgeons must report LTBI to the local health department, and they can complete Form I-693 before that report goes out. For immigrants arriving from abroad, the CDC’s Electronic Disease Notification system alerts state and local health departments. It covers arrivals with conditions that call for medical follow-up.
For example, a husband adjusting status in Austin might learn of LTBI at his civil surgeon visit. The civil surgeon can complete his Form I-693, report the result to the local health department and advise him about treatment. Any decision to start treatment is a medical choice he makes with his own doctor.
Official Sources on TB and the Immigration Medical Exam
Federal regulation 42 CFR 34.2 defines communicable diseases of public health significance and lists active tuberculosis, not latent infection. The CDC tuberculosis instructions for civil surgeons cover IGRA testing, the Class B2 classification and health department reporting in the United States.
For applicants abroad, the CDC tuberculosis instructions for panel physicians cover testing, TB classifications, treatment and travel clearance.
Questions About a TB Result? Contact a Houston Immigration Firm
A positive TB test can raise questions about the rest of your case. Faragalla Law can review your exam paperwork, whether you apply in Texas or through a consulate abroad. The firm can then explain how latent TB may affect your green card application.
Dial (800) 707-3038 to book a free consultation about your medical exam results. Applicants in Texas and abroad can meet with the firm remotely.
Or write to the firm online and note whether you saw a civil surgeon or a panel physician.