NDC codes

FDA NDC Directory
Product NDC (as listed)21220-122Labeler and product segments. Claims need a package NDC.
Product NDC at billing width21220-0122Add 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
21220-122-0121220012201160 L in 1 DEWAR (21220-122-01)Marketed from Nov 1, 1976
21220-122-0221220012202196 L in 1 DEWAR (21220-122-02)Marketed from Nov 1, 1976
21220-122-032122001220313818 L in 1 CYLINDER (21220-122-03)Marketed from Nov 1, 1976
21220-122-04212200122047391 L in 1 CYLINDER (21220-122-04)Marketed from Nov 1, 1976
21220-122-05212200122051642 L in 1 CYLINDER (21220-122-05)Marketed from Nov 1, 1976
21220-122-0621220012206765 L in 1 CYLINDER (21220-122-06)Marketed from Nov 1, 1976
21220-122-07212200122073709 L in 1 CYLINDER (21220-122-07)Marketed from Nov 1, 1976

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)
Nitrous Oxide
Generic name (nonproprietary)
nitrous oxide
Active ingredients
Nitrous oxide995 mL/L
Dosage form
Gas
Route
Respiratory (Inhalation)
Product type
Prescription drug
Marketing category
NDA — New Drug ApplicationApplication NDA 205704
Marketing start
Listing expires
Identifiers
Product ID 21220-122_44876781-b3cd-fc28-e063-6294a90accc6SPL ID 44876781-b3cd-fc28-e063-6294a90accc6SPL set ID b76cb73a-46f4-48d5-9f8d-b0872f2cfe2bRxCUI 347046UNII K50XQU1029

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

N421220012201 followed by a unit qualifier and the quantity

Package 21220-0122-01. 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)

Other NDCs under NDA 205704

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

FDA NDC Directory listings under NDA 205704
ProductStrengthForm · routeLabelerProduct NDC
Nitrous OxideNitrous oxide 990 mL/LGasRespiratory (Inhalation)Central Welding Supply Company70151-004
Nitrous OxideNitrous oxide 990 mL/LGasRespiratory (Inhalation)DJB Gas Services, Inc43621-003
Nitrous OxideNitrous oxide 990 mL/LGasRespiratory (Inhalation)Machine & Welding Supply Company dba Arc3 Gases South49575-003
Nitrous OxideNitrous oxide 99 L/100LGasRespiratory (Inhalation)Airtec Gases, LLC24312-003
Nitrous OxideNitrous oxide 990 mL/LGasRespiratory (Inhalation)Metro Welding Supply Corporation62273-005
Nitrous OxideNitrous oxide 99 kg/100kgGasRespiratory (Inhalation)United States Welding, Inc.54218-800
Nitrous OxideNitrous oxide 990 mL/LGasRespiratory (Inhalation)American Welding & Gas44076-012

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