What is NDC 51662-1620?

51662-1620 is the product NDC for NALOXONE HCl, Naloxone hydrochloride 4 mg/.1mL spray, listed with the FDA by HF Acquisition Co LLC, DBA HealthFirst. It has 2 package NDCs, shown above in 10- and 11-digit form.

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 NALOXONE HCl?

None: this is the only finished product listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

NALOXONE HCl NDC 51662-1620 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)51662-1620Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51662-1620Add 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 NDC	11-digit (billing)	Package	Copy
51662-1620-1	5166216200151662162001	.1 mL in 1 VIAL, SINGLE-DOSE (51662-1620-1)Marketed from Apr 10, 2023
51662-1620-2	5166216200251662162002	2 VIAL, SINGLE-DOSE in 1 CARTON (51662-1620-2) / .1 mL in 1 VIAL, SINGLE-DOSEMarketed from Apr 10, 2023

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): NALOXONE HCl
Generic name (nonproprietary): naloxone hcl
Active ingredients: Naloxone hydrochloride — 4 mg/.1mL
Dosage form: Spray
Route: Nasal
Labeler: HF Acquisition Co LLC, DBA HealthFirstNDC labeler code 51662
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 211951
Marketing start: Apr 10, 2023
Listing expires: Dec 31, 2026
Other FDA classes: Opioid Antagonists (Mechanism)
Identifiers: Product ID 51662-1620_100bc933-5bf3-8de2-e063-6294a90a7ba6SPL ID 100bc933-5bf3-8de2-e063-6294a90a7ba6SPL set ID f8fcda15-8ba6-e66a-e053-6294a90a385cRxCUI 1725059UNII F850569PQRUPC 0345802811004
Pharmacologic class: Opioid 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 HCPCS code in Med-Code's directory. Nasal products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N451662162001 followed by a unit qualifier and the quantity

Package 51662-1620-01. 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 Jan 28, 2024.

Indications (excerpt from the label)

Naloxone HCl Nasal Spray is indicated for the emergency treatment of known or suspected opioid overdose, as manifested by respiratory and/or central nervous system depression. Naloxone HCl Nasal Spray is intended for immediate administration as emergency therapy in settings where opioids may be present. Naloxone HCl Nasal Spray is not a substitute for emergency medical care. Limitations of Use: Restrict prescription of naloxone hydrochloride nasal spray 2 mg to opioid-dependent patients expected to be at risk for severe opioid withdrawal in situations where there is a low risk for accidental or intentional opioid exposure by household contacts.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51662-1620

What is NDC 51662-1620?: 51662-1620 is the product NDC for NALOXONE HCl, Naloxone hydrochloride 4 mg/.1mL spray, listed with the FDA by HF Acquisition Co LLC, DBA HealthFirst. It has 2 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: NALOXONE HCl.
What is the active ingredient?: Naloxone hydrochloride.
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 NALOXONE HCl?: None: this is the only finished product listed under this name.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Other NDCs under ANDA 211951

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

FDA NDC Directory listings under ANDA 211951
Product	Strength	Form · route	Labeler	Product NDC
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Padagis Israel Pharmaceuticals Ltd	45802-578
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	AMERISOURCE BERGEN	46122-812
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	A-S Medication Solutions	50090-6710
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	A-S Medication Solutions	50090-6963
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	HF Acquisition Co LLC, DBA HealthFirst	51662-1659
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	BluePoint Laboratories	68001-645
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Strategic Sourcing Services LLC	70677-1283
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Proficient Rx LP	71205-707
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Bryant Ranch Prepack	72162-2376
Naloxone Hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Advanced Rx of Tennessee, LLC	80425-0409