Who is affected by this change?

This affects Blue Cross & Blue Shield of Mississippi Oncology providers in MS on Commercial plans.

When does this change take effect?

This change is effective Jun 15, 2026.

Which billing codes are affected?

The following codes are affected: J1434.

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CommercialCoverageMedium impact

State and School Employees' Health Insurance Plan - Focinvez (fosaprepitant)

Blue Cross & Blue Shield of Mississippi·MS · Oncology·Medical Policy

Effective date

Jun 15, 2026

We identified it

Jun 20, 2026

Days to comply

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Summary

Mississippi State and School Employees' Health Insurance Plan has classified Focinvez (fosaprepitant) injections as not medically necessary due to available formulary alternatives for chemotherapy-induced nausea prevention. Claims for both the drug and its administration services will be denied.

Action Required

Action needed

By June 15, 2026: Billing team must flag HCPCS code J1434 (fosaprepitant injection) as non-covered for Mississippi State and School Employees' Health Plan members. Verify formulary alternatives are available before treatment. Administration codes for this drug will also be denied.

Affected Billing Codes

J1434

Related policy hubs

Blue Cross & Blue Shield of Mississippi policies MS policy changes Oncology Code J1434