What is NDC 66794-251?

66794-251 is the product NDC for Erythromycin Lactobionate, Erythromycin lactobionate 500 mg/1 injection, powder, for solution, listed with the FDA by Piramal Critical Care Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.

Piramal Critical Care Inc., NDC labeler code 66794. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Erythromycin Lactobionate?

2 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Erythromycin Lactobionate NDC 66794-251

NDC codes

FDA NDC Directory

Product NDC (as listed)66794-251Labeler and product segments. Claims need a package NDC.

Product NDC at billing width66794-0251Add 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
66794-251-41	6679402514166794025141	10 VIAL in 1 CARTON (66794-251-41) / 500 INJECTION, POWDER, FOR SOLUTION in 1 VIAL (66794-251-02)Marketed from Aug 13, 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): Erythromycin Lactobionate
Generic name (nonproprietary): erythromycin lactobionate
Active ingredients: Erythromycin lactobionate — 500 mg/1
Dosage form: Injection, Powder, For solution
Route: Intravenous
Labeler: Piramal Critical Care Inc.NDC labeler code 66794
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 216761
Marketing start: Aug 13, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Decreased Sebaceous Gland Activity (Physiologic effect)Macrolides (Chemical structure)
Identifiers: Product ID 66794-251_593675b3-e44e-0b1e-e063-6294a90a3ee7SPL ID 593675b3-e44e-0b1e-e063-6294a90a3ee7SPL set ID ee345752-0f0c-c69b-e053-2995a90a7dacRxCUI 1668264UNII 33H58I7GLQUPC 0366794251029
Pharmacologic class: Macrolide Antimicrobial; Macrolide

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

N466794025141 followed by a unit qualifier and the quantity

Package 66794-0251-41. 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 16, 2026.

Indications (excerpt from the label)

INDICATIONS AND USAGE Erythromycin lactobionate for injection, USP is indicated in the treatment of infections caused by susceptible strains of the designated organisms in the diseases listed below when oral administration is not possible or when the severity of the infection requires immediate high serum levels of erythromycin. Intravenous therapy should be replaced by oral administration at the appropriate time. Upper respiratory tract infections of mild to moderate degree caused by Streptococcus pyogenes (Group A beta-hemolytic streptococci); Streptococcus pneumoniae (Diplococcus pneumoniae); Haemophilus influenzae (when used concomitantly with adequate doses of sulfonamides, since many s…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 66794-251

What is NDC 66794-251?: 66794-251 is the product NDC for Erythromycin Lactobionate, Erythromycin lactobionate 500 mg/1 injection, powder, for solution, listed with the FDA by Piramal Critical Care Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Erythromycin Lactobionate.
What is the active ingredient?: Erythromycin lactobionate.
Who is the labeler?: Piramal Critical Care Inc., NDC labeler code 66794. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Erythromycin Lactobionate?: 2 other product NDCs are listed under this name. See all Erythromycin Lactobionate 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 Erythromycin Lactobionate NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Erythromycin Lactobionate	Erythromycin lactobionate 500 mg/1	Injection, Powder, Lyophilized, For solutionIntravenous	Armas Pharmaceuticals Inc.	72485-701	72485-0701-10
erythromycin lactobionate	Erythromycin lactobionate 500 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	Gland Pharma Limited	68083-513	68083-0513-10

Other NDCs under ANDA 216761

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

FDA NDC Directory listings under ANDA 216761
Product	Strength	Form · route	Labeler	Product NDC
erythromycin lactobionate	Erythromycin lactobionate 500 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	Gland Pharma Limited	68083-513
Erythromycin Lactobionate	Erythromycin lactobionate 500 mg/1	Injection, Powder, Lyophilized, For solutionIntravenous	Armas Pharmaceuticals Inc.	72485-701