Coding · Definition
Modifier 51: Definition
Indicates multiple procedures were performed in the same session, invoking multiple-procedure payment reduction.
This is a short definition only. The full explanation lives on modifier 51 multiple procedures, which is the page to read if you are dealing with this on live claims.
Definition
The secondary and subsequent procedures are typically paid at a reduced percentage of the fee schedule.
Many payers now append the modifier themselves during adjudication, so practices should confirm whether their major payers want it submitted or omitted.
For worked examples, payer rules and documentation requirements, read modifier 51 multiple procedures. Return to the dermatology billing glossary.
See this term in your own numbers
A free claims audit reviews a de-identified sample of your dermatology claims and returns a line-item findings report.