Employee pay stubs in the USA often contain various abbreviations and codes that represent specific deductions or contributions. While the specific abbreviations can vary depending on the employer and payroll system, here are some commonly used abbreviations and their meanings:/nFIT or FWT: Federal Income Tax or Federal Withholding Tax. This abbreviation represents the amount withheld from the employee's wages for federal income tax purposes./nSIT or SWT: State Income Tax or State Withholding Tax. This abbreviation indicates the amount withheld from the employee's wages for state income tax purposes, if applicable./nFICA: Federal Insurance Contributions Act. This abbreviation refers to the combination of Social Security tax and Medicare tax, which are deductions for social insurance programs./nSS or OASDI: Social Security. These abbreviations represent the deduction for the employee's contribution to the Social Security program, which provides retirement, disability, and survivor benefits./nMED: Medicare. This abbreviation denotes the deduction for the employee's contribution to the Medicare program, which provides healthcare coverage for individuals aged 65 and older or those with certain disabilities./n401(k) or 403(b): These abbreviations represent retirement savings plans offered by employers. The numbers refer to the respective sections of the Internal Revenue Code. Contributions to these plans are typically deducted from an employee's wages before taxes are calculated, providing potential tax benefits./nHSA: Health Savings Account. This abbreviation indicates contributions made by the employee to a tax-advantaged account used for qualified medical expenses./nPTO or VAC: Paid Time Off or Vacation. These abbreviations may represent accrued or used paid time off or vacation hours./nFMLA: Family and Medical Leave Act. This abbreviation could indicate the use of leave under the federal FMLA, which provides certain job-protected leave for qualifying reasons./nSTD or LTI: Short-Term Disability or Long-Term Disability. These abbreviations may represent deductions or contributions related to disability insurance programs./nIt's important to note that the abbreviations used on paystubs can vary depending on the employer's specific payroll system and the abbreviations they choose to use. If an employee is unsure about any abbreviation on their paystub, they should reach out to their employer or payroll department for clarification.