If I have an amount on my W-2 Box 12, what is it and is it added to my income?
The status codes listed with your W-2 Box 12 amounts determine if the amount is income. However, if any amount is gross income, it’s already included in W-2 Box 1.
Box 12 codes are:
- A -- Uncollected Social Security or RRTA tax on tips
- B -- Uncollected Medicare tax on tips
- C -- Taxable costs of group-term life insurance over $50,000
- Code D -- Elective deferral under a 401(k) cash or arrangement plan. This includes a SIMPLE 401(k) arrangement.
- E -- Elective deferrals under a Section 403(b) salary reduction agreement
- F -- Elective deferrals under a Section 408(k)(6) salary reduction SEP
- G -- Elective deferrals and employer contributions (including nonelective deferrals) to a Section 457(b) deferred compensation plan
- H -- Elective deferrals to a Section 501(c)(18)(D) tax-exempt organization plan
- J -- Nontaxable sick pay
- K -- 20% excise tax on excess golden parachute payments
- L -- Substantiated employee business expense reimbursements (nontaxable)
- M -- Uncollected Social Security or RRTA tax on taxable cost of group-term life insurance over $50,000 (former employees only)
- N -- Uncollected Medicare tax on taxable cost of group-term life insurance over $50,000 (former employees only)
- P -- Excludable moving expense reimbursements paid directly to employee
- Q -- Nontaxable combat pay
- R -- Employer contributions to your Archer medical savings account (MSA)
- S -- Employee salary reduction contributions under a Section 408(p) SIMPLE
- T -- Adoption benefits (not included in Box 1)
- V -- Income from exercise of nonstatutory stock options
- W -- Employer contributions (including amounts the employee elected to contribute using a Section 125 cafeteria plan) to your health savings account (HSA)
- Y -- Deferrals under a Section 409A nonqualified deferred compensation plan
- Z -- Income under a Section 409A on nonqualified deferred compensation plan
- Code AA -- Designated Roth contribution under a 401(k) plan
- BB -- Designated Roth contributions under a 403(b) plan
- CC -- For employer use only
- DD -- Cost of employer-sponsored health coverage
- EE -- Designated Roth contributions under a governmental 457(b) plan
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