What is NDC 55037-632?

55037-632 is the product NDC for Oxygen/Helium 40/60, Oxygen 400 mL/L gas, listed with the FDA by MATHESON TRI-GAS, INC.. It has 3 package NDCs, shown above in 10- and 11-digit form.

MATHESON TRI-GAS, INC., NDC labeler code 55037. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Oxygen/Helium 40/60?

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.

Oxygen/Helium 40/60 NDC 55037-632 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)55037-632Labeler and product segments. Claims need a package NDC.

Product NDC at billing width55037-0632Add 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
55037-632-01	5503706320155037063201	5900 L in 1 CYLINDER (55037-632-01)Marketed from Jan 1, 1987
55037-632-02	5503706320255037063202	640 L in 1 CYLINDER (55037-632-02)Marketed from Jan 1, 1987
55037-632-03	5503706320355037063203	620 L in 1 CYLINDER (55037-632-03)Marketed from Jan 1, 1987

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): Oxygen/Helium 40/60
Generic name (nonproprietary): oxygen/helium 40/60
Active ingredients: Oxygen — 400 mL/L
Dosage form: Gas
Route: Respiratory (Inhalation)
Labeler: MATHESON TRI-GAS, INC.NDC labeler code 55037
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 205889
Marketing start: Jan 1, 1987
Listing expires: Dec 31, 2026
Identifiers: Product ID 55037-632_44ffb601-9369-7066-e063-6394a90a9c7dSPL ID 44ffb601-9369-7066-e063-6394a90a9c7dSPL set ID 10bcc7cd-ce72-5e9d-e063-6394a90a17e2RxCUI 347697UNII S88TT14065

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

N455037063201 followed by a unit qualifier and the quantity

Package 55037-0632-01. 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 Oct 16, 2026.

Full label on DailyMed (opens in a new tab)

About NDC 55037-632

What is NDC 55037-632?: 55037-632 is the product NDC for Oxygen/Helium 40/60, Oxygen 400 mL/L gas, listed with the FDA by MATHESON TRI-GAS, INC.. It has 3 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Oxygen/Helium 40/60.
What is the active ingredient?: Oxygen.
Who is the labeler?: MATHESON TRI-GAS, INC., NDC labeler code 55037. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Oxygen/Helium 40/60?: 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 NDA 205889

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

FDA NDC Directory listings under NDA 205889
Product	Strength	Form · route	Labeler	Product NDC
Oxygen/Helium 20/80	Oxygen 200 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-602
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	Plains Welding Supply, Inc.	59924-001
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	Modern Supply Company, Inc.	33758-001
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	Nippon Sanso Matheson, Inc.	55037-113
Oxygen/Nitrogen 10/90	Oxygen 100 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-800
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	Rotech Healthcare Inc	57439-005
Carbon Dioxide/Oxygen 5/95	Oxygen 950 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-702
Air Compressed	Oxygen 20 L/100L	GasRespiratory (Inhalation)	Crumpton Welding Supply & Equipment, Inc.	52568-007
Carbon Dioxide Oxygen	Oxygen 800 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-712
Oxygen/Nitrogen 25/75	Oxygen 250 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-840
Oxygen/Nitrogen 12/88	Oxygen 120 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-810
Oxygen/Nitrogen 15/85	Oxygen 150 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-820
Oxygen/Nitrogen 21/79	Oxygen 210 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-830
Oxygen/Nitrogen 26/74	Oxygen 260 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-850
Oxygen/Nitrogen 30/70	Oxygen 300 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-860
Oxygen/Nitrogen 38/62	Oxygen 380 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-870
Oxygen/Nitrogen 52/48	Oxygen 520 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-910
Oxygen/Nitrogen 40/60	Oxygen 400 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-880
Oxygen/Nitrogen 5/95	Oxygen 50 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-890
Oxygen/Nitrogen 50/50	Oxygen 500 mL/L	GasRespiratory (Inhalation)	MATHESON TRI-GAS, INC.	55037-900

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