What is NDC 51662-1642?

51662-1642 is the product NDC for Narcan Naloxone HCL, Naloxone hydrochloride 4 mg/.1mL spray, listed with the FDA by HF Acquisition Co LLC, DBA HealthFirst. It has 1 package NDC, 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 Narcan 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.

Narcan Naloxone HCL NDC 51662-1642

NDC codes

FDA NDC Directory

Product NDC (as listed)51662-1642Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51662-1642Add 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
51662-1642-2	5166216420251662164202	2 VIAL, SINGLE-DOSE in 1 CARTON (51662-1642-2) / .1 mL in 1 VIAL, SINGLE-DOSE (51662-1642-1)Marketed from Aug 28, 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): Narcan Naloxone HCL
Generic name (nonproprietary): narcan 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: Over-the-counter drug
Marketing category: NDA — New Drug ApplicationApplication NDA 208411
Marketing start: Aug 28, 2023
Listing expires: Dec 31, 2026
Other FDA classes: Opioid Antagonists (Mechanism)
Identifiers: Product ID 51662-1642_11d770b8-b769-ba3d-e063-6394a90a61a6SPL ID 11d770b8-b769-ba3d-e063-6394a90a61a6SPL set ID 11d770b8-b768-ba3d-e063-6394a90a61a6UNII F850569PQR
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

N451662164202 followed by a unit qualifier and the quantity

Package 51662-1642-02. 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 Feb 20, 2024.

Indications (excerpt from the label)

USES to “revive” someone during an overdose from many prescription pain medications or street drugs such as heroin this medicine can save a life

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51662-1642

What is NDC 51662-1642?: 51662-1642 is the product NDC for Narcan Naloxone HCL, Naloxone hydrochloride 4 mg/.1mL spray, 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?: Narcan 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 Narcan 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 NDA 208411

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

FDA NDC Directory listings under NDA 208411
Product	Strength	Form · route	Labeler	Product NDC
Naloxone Hydrochloridenaloxone hydrochloride nasal	Naloxone hydrochloride 4 mg/.1mL	InhalantNasal	A-S Medication Solutions	50090-5908
Narcannaloxone hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	A-S Medication Solutions	50090-2422
Narcannaloxone hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Emergent Devices Inc.	69547-353
Narcannaloxone hydrochloride nasal	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Emergent Devices Inc.	69547-627
Narcannaloxone hydrochloride	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Proficient Rx LP	71205-528
Narcannaloxone hydrochloride nasal	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	Sportpharm LLC	85766-076
Narcan Naloxone Hci	Naloxone hydrochloride 4 mg/.1mL	SprayNasal	HF Acquisition Co LLC, DBA HealthFirst	51662-1240