An employer’s codebook is the reliable starting point for internal labels. Similar letters can mean different things at different workplaces.
Identify an unfamiliar entry
- Copy the code exactly and record the pay date.
- Check whether it sits under earnings, employee deductions, employer contributions or memo information.
- Match it to a benefits election, time record, legal order, loan or adjustment.
- Ask payroll for the full description, calculation and tax treatment.
A glossary can explain a possible interpretation, but it cannot prove what your employer assigned to the code. Never infer a tax exemption, coverage entitlement or permission to deduct wages solely from an abbreviation.
Keep the query specific
For example: “What does this code represent on my 13 September statement, does it change net pay, and which dates and calculation produced the amount?” Share documents only through your employer’s approved secure channel.
Look up the codes in this section
| Code or label | Meaning or possible interpretation |
|---|---|
| ADP Payroll Codes | Below are some specific codes, abbreviations or acronyms that might appear on an ADP payroll: For a full glossary of terms check our full payroll abbreviation codes list. A: B: C: |
| HSS | Employer-defined HSS entry Confirm with employer |
| RPTX MSC N - See Money Deduction On Pay Check Stub: | The paycheck stub abbreviation code RPTX MSC N that appears on San Francisco state employee pay-checks refers to pension contribution in the form of a before tax deduction. What Is |
Source and next step
See the official background guidance for the underlying rules. Internal abbreviations are employer-defined and must be confirmed locally.
Browse the complete payroll abbreviation directory or payroll guides for the wider context.