Oxygen NDC 51194-123

NDC codes

FDA NDC Directory

Product NDC (as listed)51194-123Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51194-0123Add 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
51194-123-01	51194012301	113 L in 1 CYLINDER (51194-123-01)Marketed from May 22, 2007
51194-123-02	51194012302	165 L in 1 CYLINDER (51194-123-02)Marketed from May 22, 2007
51194-123-03	51194012303	164 L in 1 CYLINDER (51194-123-03)Marketed from May 22, 2007
51194-123-04	51194012304	198 L in 1 CYLINDER (51194-123-04)Marketed from May 22, 2007
51194-123-05	51194012305	255 L in 1 CYLINDER (51194-123-05)Marketed from May 22, 2007
51194-123-06	51194012306	425 L in 1 CYLINDER (51194-123-06)Marketed from May 22, 2007
51194-123-07	51194012307	640 L in 1 CYLINDER (51194-123-07)Marketed from May 22, 2007
51194-123-08	51194012308	680 L in 1 CYLINDER (51194-123-08)Marketed from May 22, 2007
51194-123-09	51194012309	1738 L in 1 CYLINDER (51194-123-09)Marketed from May 22, 2007
51194-123-10	51194012310	3455 L in 1 CYLINDER (51194-123-10)Marketed from May 22, 2007
51194-123-11	51194012311	7080 L in 1 CYLINDER (51194-123-11)Marketed from May 22, 2007
51194-123-12	51194012312	180 L in 1 DEWAR (51194-123-12)Marketed from May 22, 2007
51194-123-13	51194012313	230 L in 1 DEWAR (51194-123-13)Marketed from May 22, 2007

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 — 99 L/100L
Dosage form: Gas
Route: Respiratory (Inhalation)
Labeler: Calox Inc
Product type: Prescription drug
Marketing category: Unapproved medical gas
Marketing start: May 22, 2007
Listing expires: Dec 31, 2026
Identifiers: Product ID 51194-123_45b05e0b-f245-9ae0-e063-6394a90a7ccdSPL ID 45b05e0b-f245-9ae0-e063-6394a90a7ccdSPL set ID 7d6715b5-6a13-0df0-e053-2991aa0ac0d1RxCUI 312172UNII 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

N451194012301 followed by a unit qualifier and the quantity

Package 51194-0123-01. 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 Dec 11, 2025.

Full label on DailyMed (opens in a new tab)