Inquire with your employer at your earliest opportunity. It is possible that they will find it
necessary to provide you with a corrected W-2 and a detailed explanation of how
they completed box 14.
Please review this basic information regarding the boxes
you have asked about.
Box 1 (Total Wages & Tips)
Box 3 (Social Security Wages, this is Box 1 plus
box 401K contributions)
Box 5 (Medicare Wages, this is the same as box 3)
Box 12 is used to report Health Insurance
Information . For detailed information
on Box 12 and the codes used, please see this
link.
Box 14 is used to report additional information
from your employer. For more information
on Box 14, click here.
