Blue Cross Blue Shield Modifier 25 Reimbursement Update

KZA Coding Alert | Billing and Reimbursement

PAYER: Blue Cross Blue Shield of Michigan (BCBSM) & Blue Care Network (BCN)

EFFECTIVE DATE: May 1, 2026

IMPACT: E/M services billed with Modifier 25 reimbursed at 50% of contracted rate

What Is Changing?

Beginning May 1, 2026, BCBS of Michigan and Blue Cross Network (BCN) will reduce reimbursement for Evaluation & Management (E/M) services billed with Modifier 25 when performed on the same calendar date as a minor procedure by the same provider for the same patient.

Reimbursement Rate

50% of the contracted rate ⚠️

100% of contracted rate ✓

Service

E/M with Modifier 25 (same day as minor procedure)

Minor procedure


Plans Affected

This policy applies to commercial and Medicare Advantage products, including:

  • BCBSM Commercial

  • BCN Commercial

  • Medicare Plus Blue℠

  • BCN Advantage℠

  • Federal Employee Program®


Criteria for Using Modifier 25

Modifier 25 may be used only when ALL of the following apply:

  • The patient's condition requires a significant, separately identifiable E/M service beyond the usual pre-/post-operative care

  • The E/M and minor procedure occur on the same date, by the same provider, for the same patient

  • The procedure has a 0- or 10-day global period (minor procedure)


Applicable E/M Codes:

  • 99202–99205 (new patient office/outpatient visits)

  • 99212–99215 (established patient office/outpatient visits)


Exclusions — 50% Reduction Does NOT Apply To:

Details

E/M visit within 1 calendar day after an ER visit (billed with modifier 25). ER claim must process first.

Global indicator XXX or “does not apply.” Examples include:

  • Vaccine administration

  • Chemotherapy

  • ECGs, pulmonary function tests, radiology, and laboratory services

Use Modifier 57 (not 25) when the E/M leads to a decision for a major surgical procedure.

Exclusion

Post-ER E/M Visit

Non-Surgical Procedures (No Global Period)



Major Procedures (90-Day Global)


⚠️  Audit Risk — Action Required

Modifier 25 claims may be subject to medical record review and post-payment audit. Ensure your documentation clearly supports:

  • A significant, separately identifiable E/M service was performed

  • The E/M was beyond the usual pre-/post-operative care for the procedure

  • Medical necessity is clearly documented in the patient record

📄  Reminder: Preventive Services Policy (Effective June 1, 2024)

E/M services billed on the same date as a preventive service are also reimbursed at 50% of the allowed amount under an existing separate policy.


Recommended Action Steps



This alert is for informational purposes only. Always refer to the official medical policy details.

Contact Us at KZAnow.com or 312-642-5616 to schedule your annual audit today!

 
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