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Paystub code library

Every code on a U.S. pay stub, with a plain-English explanation. Browse by category, or just search by name below.

Federal Tax

7 codes
FWTFederal Withholding Tax

Federal income tax withheld from your paycheck based on your W-4 elections. This goes directly to the IRS.

FITFederal Income Tax

Same as FWT — federal income tax withheld. Different payroll systems use different abbreviations for the same …

FICAFederal Insurance Contributions Act

Umbrella term covering both Social Security (6.2%) and Medicare (1.45%) taxes. Combined that's 7.65% of your g…

OASDIOld Age, Survivors & Disability Insurance

This is your Social Security tax — 6.2% of your wages up to $168,600/year. It funds retirement, disability, an…

SSSocial Security Tax

Social Security withholding — 6.2% of gross wages up to the annual wage cap. Same as OASDI.

MEDMedicare Tax

Medicare withholding — 1.45% of all wages, no cap. Funds the federal health insurance program for people 65+.

ADDMEDAdditional Medicare Tax

Extra 0.9% Medicare tax on wages over $200,000 (single) or $250,000 (married). Only applies to high earners.

State Tax

6 codes
SWTState Withholding Tax

State income tax withheld. Rate varies by state — from 0% (Texas, Florida) to 13.3% (California top bracket).

SITState Income Tax

Same as SWT — state income tax. The abbreviation depends on your payroll provider.

SDIState Disability Insurance

State-run short-term disability insurance. Mainly CA, NY, NJ, HI, and RI. Funds paid leave if you can't work.

SUIState Unemployment Insurance

State unemployment tax. Usually paid by your employer — if you see this as an employee deduction, verify with …

LWTLocal Withholding Tax

City or county income tax. Common in Philadelphia, NYC, Pittsburgh, Cleveland, and other major cities.

PFMLPaid Family & Medical Leave

State-mandated insurance for parental leave, serious illness, or family care. Common in MA, WA, CT, OR, CO.

Retirement

5 codes
401K401(k) Retirement Contribution

Pre-tax contribution to your employer-sponsored retirement plan. Reduces taxable income now. 2024 limit: $23,0…

ROTHRoth 401(k) Contribution

After-tax retirement contribution. You pay taxes now, but withdrawals in retirement are tax-free.

403B403(b) Retirement Contribution

Like a 401(k) but for employees of nonprofits, schools, and hospitals. Same 2024 limit of $23,000.

457457(b) Deferred Compensation

Retirement plan for government and some nonprofit employees. No early withdrawal penalty before age 59½.

TSATax-Sheltered Annuity

Another name for a 403(b) plan, common in education and healthcare. Pre-tax contributions reduce current taxab…

Benefits

8 codes
HSAHealth Savings Account

Pre-tax account for medical expenses paired with a high-deductible health plan. Triple tax advantage. 2024 lim…

FSAFlexible Spending Account

Pre-tax account for medical or dependent care expenses. Use-it-or-lose-it. 2024 limit: $3,200.

DCFSADependent Care FSA

Pre-tax account for childcare or elder care expenses. 2024 limit: $5,000 per household.

HRAHealth Reimbursement Arrangement

Employer-funded account to reimburse your medical expenses. Only your employer contributes.

COBRACOBRA Health Continuation Premium

Health insurance premium if continuing coverage after leaving a job. Usually much more expensive.

STDShort-Term Disability Premium

Insurance for short-term disability. Pays a portion of your salary (typically 60%) for weeks or months.

LTDLong-Term Disability Premium

Insurance for extended disability — kicks in after short-term disability ends. Covers months to years of misse…

GTLGroup Term Life Insurance

Coverage above $50,000 is taxable income — added to your gross even though you don't receive cash.

Pay Type

8 codes
REGRegular Pay

Your standard base pay — hourly rate × hours worked, or your prorated salary.

OTOvertime Pay

Pay for hours beyond 40/week. Federal law requires at least 1.5× your regular rate.

OT2Double-Time Overtime

2× your regular rate. Required by some states (like California) for extreme overtime.

PTOPaid Time Off

Compensation for vacation, sick, or personal days taken this pay period.

BONUSBonus Pay

Performance or sign-on bonus. Federal withholding is typically a flat 22% on bonuses.

COMMCommission

Sales commission earned this pay period. Also taxed at supplemental income rates (22% federal).

TIPSTips

Reported tips included in taxable wages. Social Security and Medicare taxes apply to tip income.

IMPUTEDImputed Income

Taxable value of a non-cash benefit. Added to gross income for tax purposes even though you don't receive cash…

W-2 Box

4 codes
BOX 12DW-2 Box 12D — 401(k) Contributions

Total you contributed to your traditional 401(k) this year. Reduces Box 1 wages but not Social Security or Med…

BOX 12WW-2 Box 12W — HSA Contributions

Total HSA contributions (yours + employer's) made through payroll. Report on Form 8889.

BOX 12DDW-2 Box 12DD — Employer Health Cost

What your employer paid for your health insurance. Informational only — not taxable, not deductible.

BOX 14W-2 Box 14 — Other

Employer items that don't fit elsewhere: SDI, union dues, PFML premiums. Each employer decides what to list.

Other

6 codes
YTDYear-To-Date

Running total of earnings or deductions from January 1 through this pay period.

GARNISHWage Garnishment

Court-ordered deduction for child support, unpaid taxes, or creditor judgments. Legally required.

LEVYTax Levy

IRS or state seizure of wages to collect unpaid taxes. Similar to garnishment but from a tax authority.

UNIONUnion Dues

Membership fees paid to your labor union. May be pre-tax depending on your union and employer.

EAPEmployee Assistance Program

Small premium for confidential counseling, financial advice, or legal services. Usually very low cost.

MISCMiscellaneous Deduction

Catch-all for deductions that don't fit standard categories. Contact HR to confirm what this covers.

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