What is NDC 49644-001?

49644-001 is the product NDC for Oxygen, Oxygen 997 mL/L gas, listed with the FDA by Terry Supply Company Inc. It has 13 package NDCs, shown above in 10- and 11-digit form.

Terry Supply Company Inc, NDC labeler code 49644. 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?

453 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Oxygen NDC 49644-001 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)49644-001Labeler and product segments. Claims need a package NDC.

Product NDC at billing width49644-0001Add 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
49644-001-01	49644000101	690 L in 1 CYLINDER (49644-001-01)Marketed from Jan 1, 1970
49644-001-02	49644000102	420 L in 1 CYLINDER (49644-001-02)Marketed from Jan 1, 1970
49644-001-03	49644000103	113 L in 1 CYLINDER (49644-001-03)Marketed from Jan 1, 1970
49644-001-04	49644000104	34 L in 1 CYLINDER (49644-001-04)Marketed from Jan 1, 1970
49644-001-05	49644000105	165 L in 1 CYLINDER (49644-001-05)Marketed from Jan 1, 1970
49644-001-06	49644000106	1699 L in 1 CYLINDER (49644-001-06)Marketed from Jan 1, 1970
49644-001-07	49644000107	255 L in 1 CYLINDER (49644-001-07)Marketed from Jan 1, 1970
49644-001-08	49644000108	3540 L in 1 CYLINDER (49644-001-08)Marketed from Jan 1, 1970
49644-001-09	49644000109	7108 L in 1 CYLINDER (49644-001-09)Marketed from Jan 1, 1970
49644-001-10	49644000110	9430 L in 1 CYLINDER (49644-001-10)Marketed from Jan 1, 1970
49644-001-11	49644000111	142943 L in 1 CYLINDER (49644-001-11)Marketed from Jan 1, 1970
49644-001-12	49644000112	121819 L in 1 CYLINDER (49644-001-12)Marketed from Jan 1, 1970
49644-001-13	49644000113	137138 L in 1 CYLINDER (49644-001-13)Marketed from Jan 1, 1970

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
Generic name (nonproprietary): oxygen
Active ingredients: Oxygen — 997 mL/L
Dosage form: Gas
Route: Respiratory (Inhalation)
Labeler: Terry Supply Company IncNDC labeler code 49644
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 206023
Marketing start: Jan 1, 1970
Listing expires: Dec 31, 2026
Identifiers: Product ID 49644-001_41edb0d8-d283-67fb-e063-6294a90a4d23SPL ID 41edb0d8-d283-67fb-e063-6294a90a4d23SPL set ID f98c83fe-37cd-4916-bdbc-74c76b9a12d3RxCUI 347093UNII 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

N449644000101 followed by a unit qualifier and the quantity

Package 49644-0001-01. 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 24, 2025.

Full label on DailyMed (opens in a new tab)

About NDC 49644-001

What is NDC 49644-001?: 49644-001 is the product NDC for Oxygen, Oxygen 997 mL/L gas, listed with the FDA by Terry Supply Company Inc. It has 13 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Oxygen.
What is the active ingredient?: Oxygen.
Who is the labeler?: Terry Supply Company Inc, NDC labeler code 49644. 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?: 453 other product NDCs are listed under this name. See all Oxygen 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 Oxygen NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	CORNERSTONE HEALTH SYSTEMS, L.L.C.	87862-001	87862-0001-0187862-0001-0287862-0001-03+2 more
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Baltimore Marine Safety	87726-001	87726-0001-0187726-0001-0287726-0001-03+2 more
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Wiggins Drugs, Limited	87574-123	87574-0123-0187574-0123-0287574-0123-03+4 more
Oxygen	Nitrous oxide 992 mL/L	GasRespiratory (Inhalation)	All Gas & Welding Supplies Co., Inc.	56130-004	56130-0004-0156130-0004-02
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	Sentry Welding Supply LLC	87133-463	87133-0463-2387133-0463-2587133-0463-26+7 more
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	Gulf Coast Gas & Equipment, LLC	85812-001	85812-0001-0185812-0001-0285812-0001-03+3 more
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Central Drug Dorado Corp.	85674-001	85674-0001-0185674-0001-0285674-0001-03+9 more
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	American Compressed Gases Inc.	49496-002	49496-0002-0149496-0002-0249496-0002-03+25 more
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Galaxy Medical Products, LLC	85156-001	85156-0001-0185156-0001-0285156-0001-03+1 more
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	Fire Protection Service, Inc.	67515-001	67515-0001-0167515-0001-0267515-0001-03

All 454 Oxygen NDCs

Other NDCs under NDA 206023

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

FDA NDC Directory listings under NDA 206023
Product	Strength	Form · route	Labeler	Product NDC
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	Medcyl Operations Inc.	64673-008
Nitrogen Oxygen Mix	Oxygen 400 mL/L	GasRespiratory (Inhalation)	Airgas Usa, LLC	11054-152
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	Technical Gas Products, Inc.	65010-002
Medical Air	Oxygen 210 mL/L	GasRespiratory (Inhalation)	Keen Compressed Gas Co. Inc.	48273-012
Oxygen	Oxygen 992 mL/L	GasRespiratory (Inhalation)	AMERICAN MEDICAL GAS RESOURCES LLC	81313-001
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Support Medical Systems, Inc.	76091-002
Oxygen	Oxygen 990 mL/L	GasRespiratory (Inhalation)	KENRIC INC dba Trinity Medical Supplies	73087-001
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Spectrum Gas Products, Inc	67525-100
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Superior Oxygen & Medical Equipment	24887-001
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Richmond Oxygen Company Inc.	59534-001
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Bickett Machine and Supply, Inc	65076-101
Oxygen	Oxygen 1 L/L	GasRespiratory (Inhalation)	Mountain Aire Medical Supply, Inc	62118-001
Oxygen	Oxygen 99 L/100L	GasRespiratory (Inhalation)	Jernigan Healthcare, Inc.	57287-100
Medical Oxygen Compressedoxygen	Oxygen 1 L/L	GasRespiratory (Inhalation)	MMC - Dickinson Home Medical Equipment	19979-000
Oxygen Refrigerated Liquidoxygen	Oxygen .99 kg/kg	GasRespiratory (Inhalation)	Elliot Hospital of the City of Manchester DBA: Home Medical Equipment and Infusion Services of Manchester & Southern N.H.	61888-0202
Carbon Dioxide Oxygen Mix	Oxygen 950 mL/L	GasRespiratory (Inhalation)	Airgas Usa, LLC	11054-114