TWINRIX CPT Vaccine Code: 90636

Vaccine & Product Overview

HCPCS Descriptor Hepatitis A and hepatitis B vaccine (HepA-HepB), adult dosage, for intramuscular use

Manufacturer Glaxo Smithkline Pharmaceuticals

Route of Administration Intramuscular

Generic Status Single-Source; Branded

Dosage Type Single-Dose

Dosage Form Injection, Suspension

About TWINRIX

Twinrix is a medication aligned to the HCPCS CPT Drug Code: 90636 for billing, pricing, and reimbursement purposes in the United States. It is a Vaccine drug administered via the intramuscular route and manufactured by Glaxo Smithkline Pharmaceuticals.

Manufacturers, reach out to us to add more information.

NDC Code Information

1 NDC package is crosswalked to 90636. Package detail is available to logged-in subscribers.

NDC Code	Drug	Manufacturer	Billing Units / Pkg	Package Size
•••••-••••-•• Log in to view	TWINRIX

Login to view 1 NDC package View pricing, complete NDC-to-HCPCS alignments, and package details.

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TWINRIX Pricing & Reimbursement

90636 Private Payer Reimbursement

$147.75 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

Create an account on PayerPrice for more information →

TWINRIX Vaccine Administration Codes

CPT Code	Description
90471	Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), one vaccine (single or combination vaccine/toxoid)
90472	Immunization administration (each additional vaccine or toxoid), when performed in conjunction with primary procedure.

TWINRIX Medically Unlikely Edits (MUE)

The most billing units of 90636 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 1 dose.

Practitioner Office & Hospital Outpatient

1 unit / day

Same limit in both settings

MAI 2 · Date of Service Edit: Policy. Absolute per-day limit set by policy or regulation; units above it are not payable, and denials are not appealable on medical-necessity grounds. See all MUE limits →

TWINRIX 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.

Hepatitis A Hepatitis B

Drug Class

Actively Acquired Immunity [PE]Hepatitis A Vaccines [CS]Inactivated Hepatitis A Virus Vaccine [EPC]VaccinesInactivated [CS]

Frequently Asked Questions

Is there an available Twinrix billing and coding guide?

Billing and coding information for TWINRIX can be found through GSK. Visit Here →

Are there any available Twinrix patient assistance programs?

TWINRIX patient assistance information can be found through GSK. Visit Here →

Where can I find Twinrix prescribing information?

TWINRIX prescribing information can be found at the link below: Visit Here →

Where can I find Twinrix side effect information?

Our team has not yet identified a source of side effects information for TWINRIX. Please check back in a few weeks.

Does billing TWINRIX require JZ/JW wastage modifiers?

CMS does not include TWINRIX (90636) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing 90636. For more information, visit the link below.

About BuyandBill.com:

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