MedicaidPrior AuthMedium impact
Vectibix (panitumumab) (New)
Humana·LA · Oncology, Hematology·Medicaid
Effective date
Feb 1, 2026
We identified it
Jun 24, 2026
Summary
Humana Medicaid Louisiana has established a new prior authorization policy for Vectibix (panitumumab), an IV cancer medication used to treat metastatic colorectal cancer. The policy requires specific genetic testing documentation and treatment history criteria to be met before approval.
Action Required
Before February 1, 2026: Billing team must implement prior authorization requirements for Vectibix (panitumumab) for Louisiana Medicaid members. Update system to flag colorectal cancer patients requiring genetic testing documentation (wild-type RAS/KRAS/NRAS or KRAS G12C-mutated) and prior treatment history before billing. Claims will be denied without proper prior authorization.