Natalizumab injection (Tysabri) — prior authorization under Kaiser Permanente
Billing code J2323 · Category: medications
In our reference, this procedure typically requires prior authorization.
Typical turnaround is 7 day(s); Kaiser Permanente's
standard turnaround is 5 business days (72 hours if urgent).
How to submit
Internal Kaiser referral system
Documentation typically required
MS diagnosis docs
Prior treatment failure records
JC virus antibody test
Common reasons this gets denied
Step therapy not completed
JC virus risk not assessed
Kaiser Permanente-specific notes
Integrated model — most in-network services skip PA
Out-of-network referrals require PA
Specialty referrals via PCP gateway
Coverage limits: this page does not confirm authorization for any specific member's plan, and does not cover state-specific plan variants, out-of-network requests, or every payer x procedure pair in existence. For a definitive answer, contact Kaiser Permanente directly using the submission method above.
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