Alnylam Pharmaceuticals, Inc.


Last Updated: April 1st, 2024



HCPCS Code Descriptor:

Injection, patisiran, 0.1 mg

Medicare Payment Limit:

The ONPATTRO Medicare Payment Limit is $99.204

Average Sale Price:

ONPATTRO ASP cost available once logged in.

Medicare Co-Insurance Percentage:

The ONPATTRO Medicare Co-insurance percentage is 20%. ONPATTRO's Medicare Co-insurance amount is $19.84 per HCPCS unit.

APC Code:

The Onpattro APC Code is: 9180

APC Payment Limit:

The APC Payment Limit for ONPATTRO is available. Login to view.

Onpattro Cost Information:

Onpattro's HCPCS code is J0222. The code was added and became effective on October 1, 2019. The AWP debuted and remained at a consistent price level between October 2019 and February 2023. Onpattro's AWP saw a slight bump in March 2023, and has remained at the same price since. The WAC follows an identical trend, remaining consistent between October 2019 and February 2023, then rising slightly in March 2023. The ASP has remained very close to the WAC, following along the same trends, but with gradual, more slight price increases rather than a sharp uptick.


Onpattro’s wholesale acquisition cost (WAC) information was last updated on:
March 1, 2022
Onpattro’s average wholesale price (AWP) information was last updated on:
March 1, 2022