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Updated October 1st, 2026

TOFIDENCE Q Code: Q5133

Injection, tocilizumab-bavi (tofidence), biosimilar, 1 mg

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Medicare Payment Limit ?
$4.706
/ HCPCS billing unit
APC Payment Limit ?
$4.706
/ HCPCS billing unit · APC 0786
ASP ?
$•••.••
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WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
6
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Drug & Product Overview

HCPCS Descriptor Injection, tocilizumab-bavi (tofidence), biosimilar, 1 mg
HCPCS Added Date April 1, 2024
Manufacturer Biogen
Route of Administration Intravenous
Generic Status Single-Source; Branded
Dosage Type Single-Dose
Dosage Form Injection

About TOFIDENCE

Tofidence is a medication aligned to the HCPCS Q Code: Q5133 for billing, pricing, and reimbursement purposes in the United States. It is an Antibiotic drug administered via the intravenous route and manufactured by Biogen.

According to CMS Drug Use Information: This medication is used to treat rheumatoid arthritis in adults and in children (such as systemic juvenile idiopathic arthritis-SJIA, polyarticular juvenile idiopathic arthritis-PJIA). It helps to reduce pain and swelling due to rheumatoid arthritis. Tocilizumab can also be used to treat giant cell arteritis. It helps to reduce swelling in your blood vessels so blood can flow more easily. Tocilizumab may be used to treat a reaction (Cytokine Release Syndrome-CRS) caused by certain cancer treatments. Tocilizumab is also used in combination with a corticosteroid (such as dexamethasone) to treat coronavirus disease (COVID-19) in hospitalized patients who need supplemental oxygen (including patients on a mechanical ventilator). Tocilizumab belongs to a class of drugs known as Interleukin-6 (IL-6) blockers. It works by blocking IL-6, a substance made by the body that causes swelling (inflammation). This monograph is about the following tocilizumab products: tocilizumab, tocilizumab-aazg, tocilizumab-anoh, and tocilizumab-bavi.

Disclaimer: This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional.

NDC Code Information

Based on publicly available CMS files. Showing 5 of 6 NDCs — log in for the full crosswalk.

NDC Code Drug Manufacturer Billing Units / Pkg Package Size
64406-0022-01 Tofidence Biogen MA Inc 200 80 MG / 4 ML
64406-0023-01 Tofidence Biogen MA Inc 400 200 MG / 10 ML
64406-0024-01 Tofidence Biogen MA Inc 80 400 MG / 20 ML
78206-0200-01 Tofidence Organon LLC 80 80 MG / 4 ML
78206-0201-01 Tofidence Organon LLC 200 200 MG / 10 ML
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TOFIDENCE Pricing & Reimbursement

Q5133 Private Payer Reimbursement
$5.46 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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UnitedHealthcare, BlueCross BlueShield, Aetna, Cigna

Historical Graphing and Billing Calculator

per HCPCS unit
As of Q4 2026

Tocilizumab Biosimilar Information:

TOFIDENCE Approval Date: September 29, 2023

Product Name HCPCS Code Active Ingredient BLA Type
Actemra J3262 Tocilizumab 351(a) Originator Product
Tofidence Q0234 Tocilizumab 351(k) Biosimilar
Tofidence Q5133 Tocilizumab 351(k) Biosimilar
Tyenne Q0238 Tocilizumab 351(k) Biosimilar
Tyenne Q5135 Tocilizumab 351(k) Biosimilar
Avtozma Q0237 Tocilizumab 351(k) Interchangeable
Avtozma Q5156 Tocilizumab 351(k) Interchangeable

TOFIDENCE 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
96365 Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); initial, up to 1 hour
96366 Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); each additional hour (List separately in addition to code for primary procedure)
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 →

TOFIDENCE Medically Unlikely Edits (MUE)

The most billing units of Q5133 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 1 mg.

Practitioner Office & Hospital Outpatient
1,200 units / day
= 1,200 mg per day

MAI 3 · Date of Service Edit: Clinical. Per-day limit based on clinical expectations; excess units are denied but may be appealed with documentation of medical necessity. See all MUE limits →

mg Enter a dose to see how many billing units it is and whether it is under the limit.

TOFIDENCE 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.

Coronavirus Disease 2019 (COVID-19) Cytokine Release Syndrome Giant Cell Arteritis Polyarticular Juvenile Idiopathic Arthritis Rheumatoid Arthritis Systemic Juvenile Idiopathic Arthritis
Drug Class
Interleukin 6 Receptor Antagonists [MoA]Interleukin-6 Receptor Antagonist [EPC]

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Frequently Asked Questions

Is there an available TOFIDENCE billing and coding guide?
Billing and coding information for TOFIDENCE can be found through Biogen. Visit Here →
Are there any available TOFIDENCE patient assistance programs?
TOFIDENCE patient assistance information can be found through Biogen. Visit Here →
Where can I find TYRUKO prescribing information?
TOFIDENCE prescribing information can be found at the link below: Visit Here →
Where can I find TOFIDENCE side effect information?
Our team has not yet identified a source of side effect information for TOFIDENCE.
Does billing TOFIDENCE require JZ/JW wastage modifiers?
CMS does not include TOFIDENCE (Q5133) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing Q5133. For more information, visit the link below.

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