Oxacillin (oxacillin sodium) NDC 55150-127

NDC codes

FDA NDC Directory

Product NDC (as listed)55150-127Labeler and product segments. Claims need a package NDC.

Product NDC at billing width55150-0127Add 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	Copy
55150-127-15	55150012715	10 VIAL in 1 BOX (55150-127-15) / 1 INJECTION, POWDER, FOR SOLUTION in 1 VIALMarketed from Jan 18, 2013

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): Oxacillin
Generic name (nonproprietary): oxacillin sodium
Active ingredients: Oxacillin sodium — 1 g/1
Dosage form: Injection, Powder, For solution
Route: Intramuscular, Intravenous
Labeler: Eugia US LLC
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 201539
Marketing start: Jan 18, 2013
Listing expires: Dec 31, 2026
Other FDA classes: Penicillins (Chemical structure)
Identifiers: Product ID 55150-127_0570fa17-5fe7-4647-9dde-d6097388a4e8SPL ID 0570fa17-5fe7-4647-9dde-d6097388a4e8SPL set ID 81e90279-9889-47bd-974b-334c181f295cRxCUI 1743547, 1743549UNII G0V6C994Q5UPC 0355150128242, 0355150127153
Pharmacologic class: Penicillin-class Antibacterial

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.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N455150012715 followed by a unit qualifier and the quantity

Package 55150-0127-15. 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 Aug 13, 2025.

Indications (excerpt from the label)

INDICATIONS AND USAGE Oxacillin is indicated in the treatment of infections caused by penicillinase producing staphylococci which have demonstrated susceptibility to the drug. Cultures and susceptibility tests should be performed initially to determine the causative organism and its susceptibility to the drug (See CLINICAL PHARMACOLOGY - Susceptibility Test Methods ). Oxacillin may be used to initiate therapy in suspected cases of resistant staphylococcal infections prior to the availability of susceptibility test results. Oxacillin should not be used in infections caused by organisms susceptible to penicillin G. If the susceptibility tests indicate that the infection is due to an organism o…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 201539

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

FDA NDC Directory listings under ANDA 201539
Product	Strength	Form · route	Labeler	Product NDC
Oxacillinoxacillin sodium	Oxacillin sodium 2 g/1	Injection, Powder, For solutionIntramuscular, Intravenous	Eugia US LLC	55150-128