Flumist Spray
NDC Package 66019-112-51

View Billable Units, 11-Digit Conversion Format, and RxNorm mappings
Table of Contents
    1. Package Information
    2. Other Packages
    3. Frequently Asked Questions

Package Information

Flumist (influenza vaccine live intranasal) sprays is fluMist is a vaccine indicated for active immunization for the prevention of influenza disease caused by influenza virus subtypes A and type B contained in the vaccine [see Description (11)].FluMist is approved for use in persons 2 through 49 years of age. This formulation utilizes a spray delivery system. Marketed by Medimmune, Llc, this product is identified by NDC 66019-112 and is authorized under FDA application BLA125020.

Identification & Billing

NDC Package Code
66019-112-51
Package Description
1 APPLICATOR in 1 CARTON / .2 mL in 1 APPLICATOR (66019-112-00)
Product Code
66019-112
11-Digit Billing Format
66019011251
Billing Unit
EA - Billing unit of "each" is used when the product is dispensed in discreet units.
Units Per Package
1 EA
RxNorm Crosswalk
  • RxCUI: 2720398 - influenza virus vaccine 2025-2026 Nasal Spray (Home Administration)
  • RxCUI: 2720398 - Home Admin influenza A virus A/Norway/31694/2022 (H1N1) antigen 158000000 UNT/ML / influenza A virus A/Perth/722/2024 (H3N2) antigen 158000000 UNT/ML / influenza B virus B/Austria/1359417/2021 antigen 158000000 UNT/ML Nasal Spray
  • RxCUI: 2720400 - FluMist 2025-2026 Formula Nasal Spray (Home Administration)
  • RxCUI: 2720400 - Home Admin influenza A virus A/Norway/31694/2022 (H1N1) antigen 158000000 UNT/ML / influenza A virus A/Perth/722/2024 (H3N2) antigen 158000000 UNT/ML / influenza B virus B/Austria/1359417/2021 antigen 158000000 UNT/ML Nasal Spray [FluMist 2025-2026]
  • RxCUI: 2720401 - influenza virus vaccine 2025-2026 Nasal Spray

Clinical Specifications

Proprietary Name
Flumist
Non-Proprietary Name
Influenza Vaccine Live Intranasal
Substance Name
Influenza A Virus A/norway/31694/2022 (h1n1) Live (attenuated) Antigen; Influenza A Virus A/perth/722/2024 (h3n2) Live (attenuated) Antigen; Influenza B Virus B/austria/1359417/2021 Live (attenuated) Antigen
Dosage Form
Spray - A liquid minutely divided as by a jet of air or steam.
Administration Route
Nasal - Administration to the nose; administered by way of the nose.
Active Ingredient(s)
Usage Information
FluMist is a vaccine indicated for active immunization for the prevention of influenza disease caused by influenza virus subtypes A and type B contained in the vaccine [see Description (11)].FluMist is approved for use in persons 2 through 49 years of age.

Regulatory & Marketing

Labeler Name
Medimmune, Llc
Product Type
Vaccine
FDA Application #
BLA125020
Marketing Category
BLA - A product marketed under an approved Biologic License Application.
Start Marketing Date
08-01-2025
Listing Expiration
12-31-2027
Exclude Flag
N
Sample Package
No

Hierarchy Structure

Code Lineage

The NDC Directory contains ONLY information on final marketed drugs submitted to FDA electronically by labelers. A labeler might be a manufacturer, re-packager or re-labeler. The product information included in the NDC directory does not indicate that FDA has verified the information provided by the product labeler. Assigned NDC numbers are not in any way an indication of FDA approval of the product.

* Please review the full disclaimer at the bottom of this page.

Other Available Packages

The following commercial packages are registered under the same Product NDC (66019-112). Click a package code to view its specific billing and regulatory data.

66019-112-10
10 APPLICATOR in 1 CARTON / .2 mL in 1 APPLICATOR (66019-112-00)

* Please review the full disclaimer at the bottom of this page.

Frequently Asked Questions

What is the distribution configuration for this product package?

The code 66019-112-51 identifies a specific commercial package of 1 applicator in 1 carton / .2 ml in 1 applicator (66019-112-00) of Flumist, a vaccine label labeled by Medimmune, Llc. This product is billed for "EA" each discreet unit and contains an estimated amount of 1 billable units per package. This spray is formulated for nasal use and contains influenza a virus a/norway/31694/2022 (h1n1) live (attenuated) antigen; influenza a virus a/perth/722/2024 (h3n2) live (attenuated) antigen; influenza b virus b/austria/1359417/2021 live (attenuated) antigen as the active substance.

Is this product currently listed with the FDA?

Yes, this product is active and verified within the NDC Directory. It was introduced to the market by Medimmune, Llc on August 01, 2025. The current certification is valid through December 31, 2027.

How is this Medimmune, Llc product billed for insurance claims?

For medical billing and reimbursement, this package follows the 11-digit CMS format: 66019011251. Quantities are measured in per "each", products billed on a per each basis are usually products dispensed in discreet units.. There are 1 total billable units per package. The table below illustrates the segment conversion from the 10-digit labeler code to the 11-digit provider format.

11-Digit Code Conversion

Billing payers usually require a 5-4-2 segment configuration. Below is the conversion from the 10-digit package format to the 11-digit billing format:

10-Digit Format (5-3-2)
66019-112-51
11-Digit CMS (5-4-2)
66019-0112-51

Note: The zero is added to the Product segment to maintain the 5-4-2 structure.