NDC codes

FDA NDC Directory
Product NDC (as listed)49644-002Labeler and product segments. Claims need a package NDC.
Product NDC at billing width49644-0002Add 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 NDC11-digit (billing)PackageCopy
49644-002-0149644000201496440002015863 L in 1 CYLINDER (49644-002-01)Marketed from May 28, 2026

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 — 992 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 205891
Marketing start
Listing expires
Identifiers
Product ID 49644-002_52e5a40a-e975-929e-e063-6294a90aa577SPL ID 52e5a40a-e975-929e-e063-6294a90aa577SPL set ID 52e5a40a-e974-929e-e063-6294a90aa577RxCUI 348624UNII 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

N449644000201 followed by a unit qualifier and the quantity

Package 49644-0002-01. 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 .

Full label on DailyMed (opens in a new tab)

About NDC 49644-002

What is NDC 49644-002?
49644-002 is the product NDC for Nitrogen, Nitrogen 992 mL/L gas, listed with the FDA by Terry 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?
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 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
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)TIMS SOUTH TEXAS LLC71227-00271227-0002-0171227-0002-0271227-0002-03+2 more
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)WSM SUPPLIER LLC.84120-00484120-0004-0184120-0004-0284120-0004-03+23 more
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)WELDERS SUPPLY COMPANY OF LOUISVILLE, INC.84078-00184078-0001-0484078-0001-0584078-0001-06+4 more
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)Ali-Rob, Inc. dba Southern Oxygen & Welding Supply61567-00261567-0002-0161567-0002-0261567-0002-03
NitrogenNitrogen 995 mL/LGasRespiratory (Inhalation)Gas and Supply Carolinas, LLC83746-00183746-0001-0183746-0001-0283746-0001-03+8 more
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)Arkansas Welding Supply, Inc.65603-20065603-0200-0165603-0200-0265603-0200-03
NitrogenNitrogen 999 mL/LGasRespiratory (Inhalation)ABSOLUTE AIR LLC82666-00282666-0002-01
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)Wilson Products Compressed Gas Co.51105-00251105-0002-0151105-0002-02
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)All Gas & Welding Supplies Co., Inc.56130-00356130-0003-0156130-0003-02
NitrogenNitrogen 999 mL/LGasRespiratory (Inhalation)Toll Company82457-00382457-0003-0182457-0003-0282457-0003-03+3 more

All 135 Nitrogen NDCs

Other NDCs under NDA 205891

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

FDA NDC Directory listings under NDA 205891
ProductStrengthForm · routeLabelerProduct NDC
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)General Distributing Company10451-003
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)Fresno Oxygen & Welding Suppliers Inc11564-002
NitrogenNitrogen 99 L/100LGasRespiratory (Inhalation)Corrigan Propane LLC dba Blue Water Industrial Products44517-010
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)Helget Gas Products52086-012
NitrogenNitrogen 99 L/100LGasRespiratory (Inhalation)Crumpton Welding Supply & Equipment, Inc.52568-006
NitrogenNitrogen 99 L/100LGasRespiratory (Inhalation)Volunteer Welding Supply Inc53511-004
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)Matheson Tri-Gas, Inc.55037-201
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)Ali-Rob, Inc. dba Southern Oxygen & Welding Supply61567-002
NitrogenNitrogen 990 mL/LGasRespiratory (Inhalation)TIMS SOUTH TEXAS LLC71227-002
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)WELDERS SUPPLY COMPANY OF LOUISVILLE, INC.84078-001
NitrogenNitrogen 992 mL/LGasRespiratory (Inhalation)WSM SUPPLIER LLC.84120-004

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