HCPCS J-code
J2323: natalizumab
Natalizumab 1 mg (MS, CD)
Code
J2323
Generic
natalizumab
Brands
Tysabri
Drug class
Biologic drugs (mAbs and biosimilars)
Common denial patterns
- TOUCH REMS enrollment required
- JCV antibody documentation
Frequently asked questions
What is HCPCS J2323?
Natalizumab 1 mg (MS, CD)
Why does insurance commonly deny J2323?
TOUCH REMS enrollment required; JCV antibody documentation.
What brand-name drug uses J2323?
Tysabri.
Related
Appeal a J2323 denial
Upload the denial — we draft the appeal letter in 5 minutes citing the right clinical guideline.
Get started →Contact: hello@approvalhelp.com