What is NDC 63981-368?

63981-368 is the product NDC for kirkland signature naproxen sodium, Naproxen sodium 220 mg/1 tablet, film coated, listed with the FDA by Costco Wholesale Company. It has 1 package NDC, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

kirkland signature naproxen sodium (Naproxen Sodium).

Costco Wholesale Company, NDC labeler code 63981. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for kirkland signature naproxen sodium?

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.

kirkland signature naproxen sodium NDC 63981-368

NDC codes

FDA NDC Directory

Product NDC (as listed)63981-368Labeler and product segments. Claims need a package NDC.

Product NDC at billing width63981-0368Add 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
63981-368-79	6398103687963981036879	400 TABLET, FILM COATED in 1 BOTTLE (63981-368-79)Marketed from Jun 4, 2007

How the 11-digit form is made: The product segment has 3 digits, so one leading zero is added to it (5-3-2 → 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): kirkland signature naproxen sodium
Generic name (nonproprietary): naproxen sodium
Active ingredients: Naproxen sodium — 220 mg/1
Dosage form: Tablet, Film coated
Route: Oral
Labeler: Costco Wholesale CompanyNDC labeler code 63981
Product type: Over-the-counter drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 074661
Marketing start: Jun 4, 2007
Listing expires: Dec 31, 2027
Other FDA classes: Non-Steroidal (Chemical structure)Cyclooxygenase Inhibitors (Mechanism)
Identifiers: Product ID 63981-368_3e9d5f27-97d9-4c43-a27c-20636ab9b13dSPL ID 3e9d5f27-97d9-4c43-a27c-20636ab9b13dSPL set ID d63cd2ad-18cf-4379-b48e-a487334ad9ccRxCUI 849574UNII 9TN87S3A3C
Pharmacologic class: Nonsteroidal Anti-inflammatory Drug

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. Oral products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N463981036879 followed by a unit qualifier and the quantity

Package 63981-0368-79. 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 Jul 16, 2025.

Indications (excerpt from the label)

Uses • temporarily relieves minor aches and pains due to: • minor pain of arthritis • muscular aches • backache • menstrual cramps • headache • toothache • the common cold • temporarily reduces fever

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 63981-368

What is NDC 63981-368?: 63981-368 is the product NDC for kirkland signature naproxen sodium, Naproxen sodium 220 mg/1 tablet, film coated, listed with the FDA by Costco Wholesale Company. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: kirkland signature naproxen sodium (Naproxen Sodium).
What is the active ingredient?: Naproxen sodium.
Who is the labeler?: Costco Wholesale Company, NDC labeler code 63981. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for kirkland signature naproxen sodium?: 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 074661

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

FDA NDC Directory listings under ANDA 074661
Product	Strength	Form · route	Labeler	Product NDC
All Day Pain Reliefnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Walgreen Company	0363-0368
all day pain reliefnaproxen sodium	Naproxen sodium 200 mg/1	Tablet, Film coatedOral	Walgreen Company	0363-0938
All Day Reliefnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Publix Super Markets Inc	56062-368
all day reliefnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Publix Super Markets Inc	56062-490
Basic Care Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Amazon.com Services LLC	72288-331
basic care naproxen sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Amazon.com Services LLC	72288-368
Basic Care Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Amazon.com Services LLC	72288-489
Berkley and Jensen Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	BJWC	68391-368
betr headache pain reliefnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Live Betr LLC	80267-001
Care One Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	American Sales Company	41520-349
Care One Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	American Sales Company	41520-533
CareOne Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	American Sales Company	41520-507
DG Health Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Dolgencorp Inc	55910-481
DG Health Naproxen Sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Dolgencorp Inc	55910-490
dg health naproxen sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Dolgencorp Inc	55910-500
dg health naproxen sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Dolgencorp Inc	55910-729
equaline naproxen sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	United Natural Foods, Inc. dba UNFI	41163-511
equaline naproxen sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	United Natural Foods, Inc. dba UNFI	41163-707
exchange select naproxen sodiumnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Army & Air Force Exchange Service	55301-368
foster and thrive all day pain reliefnaproxen sodium	Naproxen sodium 220 mg/1	Tablet, Film coatedOral	Strategic Sourcing Services LLC	70677-1137

Showing 20 of 39.

kirkland signature naproxen sodium (Naproxen sodium) NDC 63981-368