NDC codes

FDA NDC Directory
Product NDC (as listed)51662-1699Labeler and product segments. Claims need a package NDC.
Product NDC at billing width51662-1699Add the package segment from the table below.
Package NDCs as listed with the FDA, and the 11-digit 5-4-2 form used on claims. The highlighted digit is the added leading zero.
Package NDC11-digit (billing)PackageCopy
51662-1699-3516621699035166216990310 POUCH in 1 CASE (51662-1699-3) / 1 VIAL, MULTI-DOSE in 1 POUCH (51662-1699-2) / 5 mL in 1 VIAL, MULTI-DOSE (51662-1699-1)Marketed from Jul 10, 2026

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules

Product information

Brand name (proprietary)
Flumazenil
Generic name (nonproprietary)
flumazenil
Active ingredients
Flumazenil — .1 mg/mL
Dosage form
Injection, Solution
Route
Intravenous
Labeler
HF Acquisition Co LLC, DBA HealthFirstNDC labeler code 51662
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 076955
Marketing start
Listing expires
Identifiers
Product ID 51662-1699_56452ba8-521e-1f84-e063-6294a90af6fcSPL ID 56452ba8-521e-1f84-e063-6294a90af6fcSPL set ID 56452ba8-521d-1f84-e063-6294a90af6fcRxCUI 204508UNII 40P7XK9392UPC 0363323424107
Pharmacologic class
Benzodiazepine Antagonist

Billing references

What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.

HCPCS codeNo match

No drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N451662169903 followed by a unit qualifier and the quantity

Package 51662-1699-03. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier

Product label

Current FDA label (SPL), effective .

Indications (excerpt from the label)

Adult Patients Flumazenil Injection, USP is indicated for the complete or partial reversal of the sedative effects of benzodiazepines in cases where general anesthesia has been induced and/or maintained with benzodiazepines, where sedation has been produced with benzodiazepines for diagnostic and therapeutic procedures, and for the management of benzodiazepine overdose. Pediatric Patients (aged 1 to 17) Flumazenil Injection, USP is indicated for the reversal of conscious sedation induced with benzodiazepines (see PRECAUTIONS, Pediatric Use).

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51662-1699

What is NDC 51662-1699?
51662-1699 is the product NDC for Flumazenil, Flumazenil .1 mg/mL injection, solution, listed with the FDA by HF Acquisition Co LLC, DBA HealthFirst. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Flumazenil.
What is the active ingredient?
Flumazenil.
Who is the labeler?
HF Acquisition Co LLC, DBA HealthFirst, NDC labeler code 51662. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Flumazenil?
20 other product NDCs are listed under this name. See all Flumazenil NDCs.
Is there a related HCPCS / J-code?
Not in Med-Code's curated HCPCS directory. See Billing references above.

Other finished products listed under the same name: strengths, forms and labelers.

Other Flumazenil NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHenry Schein, Inc.0404-979300404-9793-05
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHenry Schein, Inc.0404-979400404-9794-10
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHF Acquisition Co LLC, DBA HealthFirst51662-157951662-1579-03
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHF Acquisition Co. LLC, DBA HealthFirst51662-125451662-1254-0151662-1254-03
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHF Acquisition Co. LLC, DBA Health First51662-125351662-1253-0151662-1253-03
FlumazenilFlumazenil .1 mg/mLInjectionIntravenousBaxter Healthcare Corporation36000-14836000-0148-10
FlumazenilFlumazenil .1 mg/mLInjectionIntravenousBaxter Healthcare Corporation36000-14936000-0149-10
FlumazenilFlumazenil .1 mg/mLInjectionIntravenousMedical Purchasing Solutions, LLC71872-720671872-7206-01
FlumazenilFlumazenil .1 mg/mLInjectionIntravenousMedical Purchasing Solutions, LLC71872-732171872-7321-01
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHikma Pharmaceuticals USA Inc.0143-968300143-9683-10

All 21 Flumazenil NDCs

Other NDCs under ANDA 076955

Products listed under the same FDA application: other strengths and forms, and repackagers who relabel the same product.

FDA NDC Directory listings under ANDA 076955
ProductStrengthForm · routeLabelerProduct NDC
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousHF Acquisition Co LLC, DBA HealthFirst51662-1579
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousFresenius Kabi USA, LLC63323-424
FlumazenilFlumazenil .1 mg/mLInjection, SolutionIntravenousMedical Purchasing Solutions, LLC71872-7375

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