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Proper reporting of modifier 99 gets claims paid

Proper reporting of modifier 99 gets claims paid

Melissa's Mentions
Modifier 99 Multiple modifiers doesn’t get a lot of attention — maybe because it’s rarely needed — but knowing when to apply it can make the difference in getting a claim paid.
Refer to CPT® Guidance

Appendix A — Modifiers tells us:

Under certain circumstances 2 or more modifiers may be necessary to completely delineate a service. In such situations modifier 99 should be added to the basic procedure, and other applicable modifiers may be listed as part of the description of the service.

In practice, call on modifier 99 only if a single line item requires five or more modifiers. The reason is the standard 1500 Health Insurance Claim Form (or electronic equivalent) field 24D accommodates the entry of up to four modifiers:

If a single line item requires more than four modifiers, enter modifier 99 (and only modifier 99) in the first space available for modifiers in field 24D. All other applicable modifiers should be entered in field 19 “Additional Claim Information,” or the equivalent electronic data field. You may use modifier 99, when applicable, with any CPT® code…


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