Home › Drug Codes › C Codes › C9311 · Wainua
Updated October 1st, 2026

Wainua C Code: C9311

Injection, eplontersen, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)

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Medicare Payment Limit ?
Not published
CMS publishes none for Q4 2026
APC Payment Limit ?
$997.816
/ HCPCS billing unit · APC 0958
ASP ?
No current ASP
Not available for Q4 2026
WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
2
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Drug & Product Overview

HCPCS Descriptor Injection, eplontersen, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
HCPCS Added Date October 1, 2026
Manufacturer AstraZeneca
Route of Administration Subcutaneous
Generic Status Single-Source; Branded
Dosage Form Injection, Solution

About Wainua

Wainua is a medication aligned to the HCPCS C Code: C9311 for billing, pricing, and reimbursement purposes in the United States. It is a Genetic Disorder drug administered via the subcutaneous route and manufactured by AstraZeneca.

Manufacturers, reach out to us to add more information.

NDC Code Information

2 NDC packages are crosswalked to C9311. Package detail is available to logged-in subscribers.

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Wainua CPT Administration Codes

The below list of CPT codes is intended for informational purposes only and may not be exhaustive. CPT® codes and descriptions are copyright American Medical Association (AMA). All rights reserved.

CPT Code Description
96372 Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); intramuscular
Not on the CMS JW / JZ list

This product is new and does not yet appear on the CMS list of HCPCS pertaining to single-dose containers. Wastage billing guide →

Wainua Clinical Information

Indications and drug classification.

Treated Diseases & Conditions

This list of indications is not exhaustive and may be subject to errors. The information on BuyandBill.com is intended for informational purposes only and should not be used for medical advice.

Polyneuropathy of hereditary transthyretin-mediated amyloidosis
Drug Class
Antisense Oligonucleotide [EPC]Decreased RNA Integrity [PE]Increased Protein Breakdown [PE]OligonucleotidesAntisense [CS]Transthyretin-directed RNA Interaction [EPC]

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Frequently Asked Questions

Is there an available Wainua billing and coding guide?
Our team has not identified a manufacturer-published source of billing and coding information for Wainua.
Are there any available Wainua patient assistance programs?
Our team has not identified a manufacturer-published source of patient assistance information for Wainua.
Where can I find Wainua prescribing information?
Wainua prescribing information can be found at the link below. Please reach out to us if you believe this information to be inaccurate or out of date. Visit Here →
Where can I find Wainua side effect information?
Our team has not yet identified a source of side effects information for Wainua. Please check back in a few weeks.
Does billing Wainua require JZ/JW wastage modifiers?
This product is new and does not yet appear on the CMS list of HCPCS pertaining to single-dose containers.

About BuyandBill.com:

The BuyandBill.com team is dedicated to delivering high-quality coding and billing information for office-administered drugs. We continuously research HCPCS-coded medications to expand our resources and ensure data accuracy. Manufacturers: click here to sponsor your medication, and we will ensure the most accurate and detailed information is displayed.