How do I get Phesgo through my insurance?
Phesgo · pertuzumab, trastuzumab, and hyaluronidase-zzxf · Fixed-dose SC combination
No account, member ID, name, date of birth or email is needed. Your selections stay in this page session.
Choose the diagnosis / reason.
Coverage rules can change by diagnosis and sometimes by formulation.
Find help with your out-of-pocket costs.
Use the official support program below to check savings, patient-assistance, or access options that may apply to you.
Genentech patient support →The medicine may be only part of the problem.
Use the playbook that matches what is blocking treatment, then verify the current rule with the insurer, program or treatment site.
Approval is pending, expired or unclear.
Find the rule, status and next authorization step.
DENIEDFind the reason before appealing.
Separate medical-necessity, benefit, product and claim problems.
PREFERRED PRODUCTThe plan wants a different brand or biosimilar.
Understand product preference without making a treatment recommendation.
SITE OF CAREThe medicine may be covered, but the location is not.
Check network, site and authorization requirements.
COST TOO HIGHSeparate coverage from financial assistance.
Understand manufacturer support versus independent foundations.
CLAIM PROBLEMAuthorization was approved, but billing still failed.
Compare the approval with the product, site and claim that were billed.
Important
MedicineCostHelp is an educational navigation tool, not an insurer and not a coverage determination. Medical policies, billing codes, product preferences and benefit placement can change. Sources were reviewed 2026-08-20. Verify the current official source before acting.