What is NDC 46123-124?

46123-124 is the product NDC for Carbon Dioxide-Oxygen Mixture, Carbon dioxide 200 mL/L; Oxygen 800 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 Carbon Dioxide-Oxygen Mixture?

6 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Carbon Dioxide-Oxygen Mixture NDC 46123-124

NDC codes

FDA NDC Directory

Product NDC (as listed)46123-124Labeler and product segments. Claims need a package NDC.

Product NDC at billing width46123-0124Add 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
46123-124-01	46123012401	656 L in 1 CYLINDER (46123-124-01)Marketed from Jan 1, 1966
46123-124-02	46123012402	6521 L in 1 CYLINDER (46123-124-02)Marketed from Jan 1, 1966
46123-124-03	46123012403	7193 L in 1 CYLINDER (46123-124-03)Marketed from Jan 1, 1966

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): Carbon Dioxide-Oxygen Mixture
Generic name (nonproprietary): carbon dioxide-oxygen mixture
Active ingredients: Carbon dioxide — 200 mL/LOxygen — 800 mL/L
Dosage form: Gas
Route: Respiratory (Inhalation)
Labeler: Roberts Oxygen Company, Inc.NDC labeler code 46123
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 205849
Marketing start: Jan 1, 1966
Listing expires: Dec 31, 2026
Other FDA classes: X-Ray Contrast Activity (Mechanism)
Identifiers: Product ID 46123-124_43cf2b0d-315e-70df-e063-6394a90ae101SPL ID 43cf2b0d-315e-70df-e063-6394a90ae101SPL set ID b8a25034-6b65-4816-ac3c-e8a7a0fae5e2RxCUI 541999UNII 142M471B3J, S88TT14065
Pharmacologic class: Radiographic Contrast Agent

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

N446123012401 followed by a unit qualifier and the quantity

Package 46123-0124-01. 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 46123-124

What is NDC 46123-124?: 46123-124 is the product NDC for Carbon Dioxide-Oxygen Mixture, Carbon dioxide 200 mL/L; Oxygen 800 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?: Carbon Dioxide-Oxygen Mixture.
What is the active ingredient?: Carbon dioxide, Oxygen.
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 Carbon Dioxide-Oxygen Mixture?: 6 other product NDCs are listed under this name. See all Carbon Dioxide-Oxygen Mixture 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 Carbon Dioxide-Oxygen Mixture NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Carbon Dioxide Oxygen Mixture	Oxygen 800 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	21220-156	21220-0156-0121220-0156-02
Carbon Dioxide-Oxygen Mixture	Carbon dioxide 50 mL/L; Oxygen 950 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	46123-911	46123-0911-0146123-0911-02
Carbon Dioxide-Oxygen Mixture	Carbon dioxide 70 mL/L; Oxygen 930 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	46123-120	46123-0120-01
Carbon Dioxide-Oxygen Mixture	Carbon dioxide 150 mL/L; Oxygen 850 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	46123-123	46123-0123-01
Carbon Dioxide-Oxygen Mixture	Carbon dioxide 100 mL/L; Oxygen 900 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	46123-521	46123-0521-0146123-0521-0246123-0521-03
Carbon Dioxide-Oxygen Mixture	Oxygen 880 mL/L; Carbon dioxide 120 mL/L	GasRespiratory (Inhalation)	Roberts Oxygen Company, Inc.	46123-522	46123-0522-0146123-0522-02

Other NDCs under NDA 205849

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

FDA NDC Directory listings under NDA 205849
Product	Strength	Form · route	Labeler	Product NDC
Oxygen	Oxygen 995 mL/L	GasRespiratory (Inhalation)	Toll Company	82457-004
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Biomedics Systems, Inc.	72574-001
Oxygen	Oxygen 991 mL/L	GasRespiratory (Inhalation)	NexAir, LLC	12213-720
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	Central-McGowan, Inc.	10221-001
Nitrogen Oxygen Mix	Oxygen 210 mL/L	GasRespiratory (Inhalation)	NexAir, LLC	12213-733
Carbon Dioxide/Oxygen Mix	Oxygen 50 mL/L	GasRespiratory (Inhalation)	NEXAIR, LLC	12213-800
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	James Supplies, L.L.c	50505-001
Helium/Oxygen Mix	Oxygen 200 mL/L	GasRespiratory (Inhalation)	NEXAIR, LLC	12213-801
Oxygen	Oxygen 995 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	21220-119
Oxygen Nitrogen Mixture	Oxygen 200 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co.	21220-130
Air	Oxygen 210 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	21220-152
Helium/Oxygen Mixture 80/20	Oxygen 200 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co.	21220-155
Carbon Dioxide Oxygen Mixture	Oxygen 800 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	21220-156
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	RTA Pediatric Care Inc.	69241-001
Helium/Oxygen Mixture 70/30	Oxygen 300 mL/L	GasRespiratory (Inhalation)	General Air Service & Supply Co	21220-158
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Gilmore Liquid Air Co.	51012-001
Oxygen	Oxygen 995 mL/L	GasRespiratory (Inhalation)	General Cryogenic Technologies LLC	21221-002
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	DuPuy Oxygen & Supply Company, Inc.	50554-100
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	T.W. Smith Corp.	52563-005
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Holston Gases, Inc.	55050-0011

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