Home › Drug Codes › CPT Codes › 90378 · SYNAGIS
Updated July 1st, 2026

SYNAGIS CPT Drug Code: 90378

Respiratory syncytial virus, monoclonal antibody, recombinant, for intramuscular use, 50 mg, each

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Medicare Payment Limit ?
Not published
CMS publishes none for Q3 2026
APC Payment Limit ?
$436.75
/ HCPCS billing unit · APC 9003
ASP ?
No current ASP
Not available for Q3 2026
WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
2
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Drug & Product Overview

HCPCS Descriptor Respiratory syncytial virus, monoclonal antibody, recombinant, for intramuscular use, 50 mg, each
Manufacturer Sobi
Route of Administration Intramuscular
Generic Status Single-Source; Branded
Dosage Type Single-Dose
Dosage Form Injection, Solution

About SYNAGIS

Synagis is a medication aligned to the HCPCS CPT Drug Code: 90378 for billing, pricing, and reimbursement purposes in the United States. It is a Vaccine drug administered via the intramuscular route and manufactured by Sobi.

Manufacturers, reach out to us to add more information.

NDC Code Information

2 NDC packages are crosswalked to 90378. Package detail is available to logged-in subscribers.

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SYNAGIS 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

CMS does not include Synagis (90378) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing 90378. Wastage billing guide →

SYNAGIS Medically Unlikely Edits (MUE)

The most billing units of 90378 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 50mg.

Practitioner Office & Hospital Outpatient
4 units / day
= 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.

SYNAGIS 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.

Prevention of serious lower respiratory tract disease caused by respiratory syncytial virus (RSV) in pediatric patients at high risk.
Drug Class
AntibodiesMonoclonal [CS]Fusion Protein Inhibitors [MoA]Respiratory Syncytial Virus Anti-F Protein Monoclonal Antibody [EPC]

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Frequently Asked Questions

Is there an available Synagis billing and coding guide?
Our team has not identified a manufacturer-published source of billing and coding information for SYNAGIS.
Are there any available Synagis patient assistance programs?
Our team has not identified a manufacturer-published source of patient assistance information for SYNAGIS.
Where can I find Synagis prescribing information?
SYNAGIS prescribing information can be found at the link below: Visit Here →
Where can I find Synagis side effect information?
Information regarding SYNAGIS's side effects can be found at MedlinePlus Visit Here →
Does billing SYNAGIS require JZ/JW wastage modifiers?
CMS does not include SYNAGIS (90378) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing 90378. For more information, visit the link below.

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.