What is NDC 51051-002?

51051-002 is the product NDC for Nitrogen, Nitrogen 990 mL/L gas, listed with the FDA by Atlas Welding Supply Company, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.

Atlas Welding Supply Company, Inc., NDC labeler code 51051. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Nitrogen?

134 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Nitrogen NDC 51051-002 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)51051-002Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51051-0002Add 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
51051-002-01	51051000201	230 L in 1 CYLINDER (51051-002-01)Marketed from Feb 15, 2016

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): Nitrogen
Generic name (nonproprietary): nitrogen
Active ingredients: Nitrogen — 990 mL/L
Dosage form: Gas
Route: Respiratory (Inhalation)
Labeler: Atlas Welding Supply Company, Inc.NDC labeler code 51051
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 205766
Marketing start: Feb 15, 2016
Listing expires: Dec 31, 2027
Identifiers: Product ID 51051-002_52e17935-e328-2a54-e063-6294a90aa902SPL ID 52e17935-e328-2a54-e063-6294a90aa902SPL set ID 7e0e5e70-74c7-4916-a7cd-dd6676d084abRxCUI 311998UNII N762921K75

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.

NDC on a medical claim

N451051000201 followed by a unit qualifier and the quantity

Package 51051-0002-01. 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 Apr 21, 2026.

Full label on DailyMed (opens in a new tab)

About NDC 51051-002

What is NDC 51051-002?: 51051-002 is the product NDC for Nitrogen, Nitrogen 990 mL/L gas, listed with the FDA by Atlas Welding Supply Company, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Nitrogen.
What is the active ingredient?: Nitrogen.
Who is the labeler?: Atlas Welding Supply Company, Inc., NDC labeler code 51051. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Nitrogen?: 134 other product NDCs are listed under this name. See all Nitrogen 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 Nitrogen NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Nitrogen	Nitrogen 992 mL/L	GasRespiratory (Inhalation)	Terry Supply Company Inc	49644-002	49644-0002-01
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	TIMS SOUTH TEXAS LLC	71227-002	71227-0002-0171227-0002-0271227-0002-03+2 more
Nitrogen	Nitrogen 992 mL/L	GasRespiratory (Inhalation)	WSM SUPPLIER LLC.	84120-004	84120-0004-0184120-0004-0284120-0004-03+23 more
Nitrogen	Nitrogen 992 mL/L	GasRespiratory (Inhalation)	WELDERS SUPPLY COMPANY OF LOUISVILLE, INC.	84078-001	84078-0001-0484078-0001-0584078-0001-06+4 more
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Ali-Rob, Inc. dba Southern Oxygen & Welding Supply	61567-002	61567-0002-0161567-0002-0261567-0002-03
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	Gas and Supply Carolinas, LLC	83746-001	83746-0001-0183746-0001-0283746-0001-03+8 more
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Arkansas Welding Supply, Inc.	65603-200	65603-0200-0165603-0200-0265603-0200-03
Nitrogen	Nitrogen 999 mL/L	GasRespiratory (Inhalation)	ABSOLUTE AIR LLC	82666-002	82666-0002-01
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Wilson Products Compressed Gas Co.	51105-002	51105-0002-0151105-0002-02
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	All Gas & Welding Supplies Co., Inc.	56130-003	56130-0003-0156130-0003-02

All 135 Nitrogen NDCs

Other NDCs under NDA 205766

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

FDA NDC Directory listings under NDA 205766
Product	Strength	Form · route	Labeler	Product NDC
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Badger Welding Supplies, Inc.	12121-006
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Welders Supply Company	11999-002
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Big Branch Breeders Service	15687-001
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	Messer LLC	52438-016
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Maine Oxy-Acetylene Supply Company	51887-001
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Strate Welding Supply Co., Inc.	49221-0042
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	Southern Gas & Supply LLC	76349-002
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	California Tool and Welding Supply, LLC	14208-003
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	INDUSTRIAL WELDING SUPPLY CO. OF HARVEY, INC.	42241-002
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Indiana Oxygen Company Inc	48546-0003
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	Gas and Supply Carolinas, LLC	83746-001
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Lampton Welding Supply Company, Inc	58356-002
Nitrogen	Nitrogen 99 L/100L	GasCutaneous, Respiratory (Inhalation)	Airweld, Inc	48599-002
Nitrogen	Nitrogen 990 mL/L	LiquidRespiratory (Inhalation)	Haun Welding Supply, Inc.	10526-006
Nitrogen	Nitrogen 99.1 L/100L	GasRespiratory (Inhalation)	Indiana Oxygen Company Inc	48546-0005
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	ADF Welding & Medical, Inc.	64922-240
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	A-OX Welding Supply, LLC	10297-200
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Wilson Products Compressed Gas Co.	51105-002
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Minneapolis Oxygen Company	55147-002
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	SOUTHERN GAS AND SUPPLY, INC.	53991-002

Showing 20 of 39.