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NDC Lookup

FDA National Drug Codes

NDC Lookup

Browse every product in the FDA NDC Directory below, or search by NDC, brand, generic, manufacturer or HCPCS code. Each product has its own page with package NDCs in 11-digit billing format.

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NDCs work with or without dashes. Names can be partial: “keytr” finds Keytruda.

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Source: FDA NDC Directory via openFDA; Med-Code HCPCS directory (curated)
Source data updated: Oct 2, 2026

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Reference information only. Verify codes and billing rules against the applicable payer and official source before submitting a claim. How Med-Code handles data.

Products starting with N

4,729 products (finished products)

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FDA NDC Directory, brand names starting with N — page 70
Product	Strength	Form · route	Labeler	Application	Product NDC	Package NDCs (11-digit)	HCPCS
Nitrogen	Nitrogen 990 mL/L	LiquidRespiratory (Inhalation)	Haun Specialty Gases, Inc.	NDA	14961-007	14961-0007-0114961-0007-0214961-0007-03+2 more	—
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Big Branch Breeders Service	NDA	15687-001	15687-0001-0115687-0001-0215687-0001-03+2 more	—
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	AGL Inhalation Therapy Co.	NDA	17575-006	17575-0006-0117575-0006-0217575-0006-03+15 more	—
Nitrogen

Nitrogen 99 L/100L

GasRespiratory (Inhalation)

Noble Gas Solutions, Inc.

NDA

17819-1066

17819-1066-0017819-1066-0117819-1066-02+2 more

—

nitrogen	Nitrogen 999 mL/L	GasRespiratory (Inhalation)	General Welding Supply Corp.	NDA	20703-001	20703-0001-0120703-0001-0220703-0001-03+3 more	—

Nitrogen	Nitrogen 999 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	NDA	21220-120	21220-0120-0121220-0120-0221220-0120-03+7 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	General Cryogenic Technologies LLC	NDA	21221-001	21221-0001-0121221-0001-0221221-0001-03+1 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	AGP LLC	NDA	22557-002	22557-0002-0122557-0002-02	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	SYOXSA, Inc.	NDA	23647-002	23647-0002-0423647-0002-0523647-0002-06+1 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Airtec Gases, LLC	NDA	24312-002	24312-0002-0124312-0002-0224312-0002-03	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Oxarc, LLC	NDA	34057-014	34057-0014-0134057-0014-0234057-0014-06+9 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Jackson Welding Supply Co Inc.	NDA	42068-002	42068-0002-0142068-0002-02	—

Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	INDUSTRIAL WELDING SUPPLY CO. OF HARVEY, INC.	NDA	42241-002	42241-0002-0142241-0002-0242241-0002-03+10 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	FULLERTON WELDING SUPPLY	NDA	42751-1073	42751-1073-0142751-1073-0242751-1073-03+5 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	FULLERTON WELDING SUPPLY	NDA	42751-1074	42751-1074-0142751-1074-0242751-1074-03+4 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Aspen Air U.S., LLC	NDA	42914-010	42914-0010-01	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	DJB Gas Services, Inc	NDA	43621-002	43621-0002-2243621-0002-2343621-0002-24+3 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	American Welding & Gas	NDA	44076-006	44076-0006-1544076-0006-1644076-0006-17+4 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Corrigan Propane LLC dba Blue Water Industrial Products	NDA	44517-010	44517-0010-0144517-0010-0244517-0010-03+1 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc	NDA	46123-003	46123-0003-0146123-0003-0246123-0003-03+4 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc	NDA	46123-004	46123-0004-0146123-0004-0246123-0004-03	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	NDA	46123-440	46123-0440-01	—

Nitrogen	Nitrogen 992 mL/L	GasRespiratory (Inhalation)	Red Ball Oxygen Co., Inc.	NDA	46362-002	46362-0002-0146362-0002-0246362-0002-03+3 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	O.E. Meyer Company	NDA	47632-0003	47632-0003-0147632-0003-0247632-0003-03+5 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Keen Compressed Gas Co. Inc.	NDA	48273-006	48273-0006-0348273-0006-0448273-0006-06+6 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Indiana Oxygen Company Inc	NDA	48546-0003	48546-0003-0148546-0003-0248546-0003-03+6 more	—

Nitrogen	Nitrogen 99.1 L/100L	GasRespiratory (Inhalation)	Indiana Oxygen Company Inc	NDA	48546-0005	48546-0005-0148546-0005-0248546-0005-03+1 more	—

Nitrogen	Nitrogen 99 L/100L	GasCutaneous, Respiratory (Inhalation)	Airweld, Inc	NDA	48599-002	48599-0002-0148599-0002-0248599-0002-03+8 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	HARTMAN BROTHERS, INC.	NDA	49204-002	49204-0002-0649204-0002-0749204-0002-08+16 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Strate Welding Supply Co., Inc.	NDA	49221-0042	49221-0042-0149221-0042-0249221-0042-03	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Linde Canada Inc.	NDA	49479-500	49479-0500-01	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Machine & Welding Supply Company dba Arc3 Gases South	NDA	49575-002	49575-0002-0149575-0002-0249575-0002-03+16 more	—

Nitrogen	Nitrogen 992 mL/L	GasRespiratory (Inhalation)	Terry Supply Company Inc	NDA	49644-002	49644-0002-01	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Superior Welding Supply Co	NDA	49653-002	49653-0002-0149653-0002-0249653-0002-03+2 more	—

Nitrogen	Nitrogen 992 mL/L	GasRespiratory (Inhalation)	Andy-Oxy Co., Inc.	NDA	50063-002	50063-0002-0150063-0002-0250063-0002-03+3 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	C & C Oxygen Company	NDA	50322-003	50322-0003-0150322-0003-1250322-0003-13	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	DuPuy Oxygen & Supply Company, Inc.	NDA	50554-002	50554-0002-0650554-0002-0750554-0002-08+5 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Atlas Welding Supply Co Inc	NDA	50699-1977	50699-1977-0150699-1977-0250699-1977-03+2 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Gilmore Liquid Air Co.	NDA	51012-002	51012-0002-0151012-0002-0251012-0002-03+2 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Atlas Welding Supply Company, Inc.	NDA	51051-002	51051-0002-01	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Wilson Products Compressed Gas Co.	NDA	51105-002	51105-0002-0151105-0002-02	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	ILMO Products Company	NDA	51486-002	51486-0002-0551486-0002-0651486-0002-07+3 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Maine Oxy-Acetylene Supply Company	NDA	51887-001	51887-0001-0151887-0001-2651887-0001-27+10 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Mississippi Welders Supply Company, Inc.	NDA	51996-003	51996-0003-0151996-0003-0251996-0003-03+5 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	ANALGESIC SERVICES, INC.	NDA	52085-002	52085-0002-0152085-0002-0252085-0002-03+4 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Helget Gas Products	NDA	52086-012	52086-0012-0152086-0012-0252086-0012-03+5 more	—

Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Wesco Gas & Welding Supply, Inc.	NDA	52279-002	52279-0002-0252279-0002-0352279-0002-04+1 more	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Messer Gas Puerto Rico, Inc	Unapproved medical gas	52374-002	52374-0002-0152374-0002-0252374-0002-03+2 more	—

Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	Messer Gas Puerto Rico, Inc	NDA	52374-016	52374-0016-20	—

Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Messer Gas Puerto Rico, Inc	Unapproved medical gas	52374-102	52374-0102-0152374-0102-0252374-0102-03+9 more	—

Showing 3,451–3,500 of 4,729