What is NDC 46123-004?

46123-004 is the product NDC for Nitrogen, Nitrogen 990 mL/L gas, listed with the FDA by Roberts Oxygen Company, Inc. It has 3 package NDCs, shown above in 10- and 11-digit form.

Roberts Oxygen Company, Inc, NDC labeler code 46123. 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 46123-004 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)46123-004Labeler and product segments. Claims need a package NDC.

Product NDC at billing width46123-0004Add 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
46123-004-01	46123000401	120380 L in 1 DEWAR (46123-004-01)Marketed from Jan 1, 1967
46123-004-02	46123000402	123396 L in 1 DEWAR (46123-004-02)Marketed from Jan 1, 1967
46123-004-03	46123000403	167184 L in 1 DEWAR (46123-004-03)Marketed from Jan 1, 1967

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: Roberts Oxygen Company, IncNDC labeler code 46123
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 205850
Marketing start: Jan 1, 1967
Listing expires: Dec 31, 2026
Identifiers: Product ID 46123-004_43ceaead-6a0e-7a83-e063-6294a90ae345SPL ID 43ceaead-6a0e-7a83-e063-6294a90ae345SPL set ID 863f2711-582f-4ccb-aae8-9bb18fa4df53RxCUI 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

N446123000401 followed by a unit qualifier and the quantity

Package 46123-0004-01. 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 Nov 17, 2025.

Full label on DailyMed (opens in a new tab)

About NDC 46123-004

What is NDC 46123-004?: 46123-004 is the product NDC for Nitrogen, Nitrogen 990 mL/L gas, listed with the FDA by Roberts Oxygen Company, Inc. It has 3 package NDCs, 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?: Roberts Oxygen Company, Inc, NDC labeler code 46123. 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 205850

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

FDA NDC Directory listings under NDA 205850
Product	Strength	Form · route	Labeler	Product NDC
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	ANALGESIC SERVICES, INC.	52085-002
Nitrogen	Nitrogen 995 mL/L	GasRespiratory (Inhalation)	Metro Welding Supply Corporation	62273-002
Nitrogen	Nitrogen 999 mL/L	GasRespiratory (Inhalation)	Toll Company	82457-003
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Central-McGowan, Inc.	10221-002
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	NexAir, LLC	12213-498
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Linde Puerto Rico B.V.	11324-499
Nitrogen	Nitrogen 999 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	21220-120
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	General Cryogenic Technologies LLC	21221-001
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	DuPuy Oxygen & Supply Company, Inc.	50554-002
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Gilmore Liquid Air Co.	51012-002
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	Holston Gases, Inc	55050-0016
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Linde Inc.	59578-499
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Linde Gas & Equipment Inc.	59579-002
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Bill Munn Supply, Inc.	52698-003
nitrogen	Nitrogen 999 mL/L	GasRespiratory (Inhalation)	General Welding Supply Corp.	20703-001
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc	46123-003
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Oxarc, LLC	34057-014
Nitrogen	Nitrogen 990 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	46123-440
Nitrogen	Nitrogen 99 L/100L	GasRespiratory (Inhalation)	South Jersey Welding Supply	11056-010