N-648, Medical Certification for Disability Exceptions

Use this form if you are applying for U.S. citizenship and need to request an exception to the English and civics testing requirements for naturalization because of physical or developmental disability or mental impairment.

Forms and Document Downloads

Form N-648 (PDF, 397.97 KB)

Instructions for Form N-648 (PDF, 235.01 KB)

Form Details

07/23/20. You can find the edition date at the bottom of the page on the form and instructions.

A medical professional must certify your Form N-648 within the six-month period before you submit your form to us.

Dates are listed in mm/dd/yy format.

Submit this form with your completed N-400, Application for Naturalization.

View the N-648 instructional video to help complete your form. You may also read Training for External Stakeholders for Form N-648 (PDF, 550.29 KB).

USCIS Teleconference on N-648, Medical Certification for Disability Exceptions 2-12-2019 (PDF, 219.08 KB)
Information for Medical Professionals Completing Form N-648

Last Reviewed/Updated:

10/28/2020