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DENIAL PLAYBOOK · MODIFIER 25

How to appeal a Modifier 25 denial

A Modifier 25 denial happens when you bill a significant, separately identifiable E/M service on the same day as a procedure, and the payer decides the E/M wasn't separate and bundles it into the procedure.

Common code: CARC 97 / B15 (service included in another)

Why payers issue it

  • The documentation doesn't clearly separate the E/M from the procedure
  • The same diagnosis is linked to both, so the visit looks bundled
  • Payer edits auto-deny same-day E/M plus procedure unless the modifier is supported
  • Modifier 25 was missing, mis-keyed, or appended to the wrong line

What overturns it

  • Show the E/M was significant and separately identifiable, with its own history, exam, and decision-making
  • Point to a distinct or additional reason for the visit beyond the procedure
  • Attach the note that documents the separate work
  • Confirm Modifier 25 is on the E/M line, not the procedure

Worth appealing? Same-day E/M denials are some of the most over-denied and most recoverable claims in a practice, because the work was real and documented. They just need the appeal that ties the note to the modifier.

Common questions

How do I appeal a Modifier 25 denial?

A Modifier 25 denial happens when you bill a significant, separately identifiable E/M service on the same day as a procedure, and the payer decides the E/M wasn't separate and bundles it into the procedure. To overturn it: show the E/M was significant and separately identifiable, with its own history, exam, and decision-making; point to a distinct or additional reason for the visit beyond the procedure; attach the note that documents the separate work; confirm Modifier 25 is on the E/M line, not the procedure. The key is matching the documentation to the payer's own rule for modifier 25 denials.

Is a Modifier 25 denial worth appealing?

Same-day E/M denials are some of the most over-denied and most recoverable claims in a practice, because the work was real and documented. They just need the appeal that ties the note to the modifier. A no-risk recovery service makes it easy to find out, you only pay on what's actually recovered, so there's no cost to working the ones that are winnable.

How does Volari handle Modifier 25 denials?

Volari's AI agents identify modifier 25 denials in your written-off pile, build each appeal with the right documentation and payer-specific argument, file it, and follow it to payment. You pay 25% only on what's recovered, and nothing if nothing comes back.

Other denial types
Medical NecessityTimely FilingPrior AuthorizationBundling / NCCI EditsMissing or Invalid InformationCoordination of BenefitsNon-Covered ServiceDuplicate ClaimExperimental / Investigational

Volari's AI agentic crew that works your pile

The same AI agents that build and file your modifier 25 appeals inside the app, each a specialist at one part of the fight, paid only on what they bring back.

Reva
Lead
Cody
Coding
Denny
Appeals
Faye
Follow-up
Iris
Intel

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