tetracycline hydrochloride NDC 23155-018

NDC codes

FDA NDC Directory

Product NDC (as listed)23155-018Labeler and product segments. Claims need a package NDC.

Product NDC at billing width23155-0018Add 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
23155-018-01	23155001801	100 CAPSULE in 1 BOTTLE (23155-018-01)Marketed from Sep 15, 2024

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): tetracycline hydrochloride
Generic name (nonproprietary): tetracycline hydrochloride
Active ingredients: Tetracycline hydrochloride — 500 mg/1
Dosage form: Capsule
Route: Oral
Labeler: Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 050278
Marketing start: Sep 15, 2024
Listing expires: Dec 31, 2026
Other FDA classes: Tetracyclines (Chemical structure)
Identifiers: Product ID 23155-018_0d5bebf0-11ec-4572-9728-d8721296b1f4SPL ID 0d5bebf0-11ec-4572-9728-d8721296b1f4SPL set ID eaa5b1bd-0927-46e4-b941-32fcc492d258RxCUI 198250, 198252UNII P6R62377KVUPC 0323155017014
Pharmacologic class: Tetracycline-class Antimicrobial

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 HCPCS code in Med-Code's directory. Oral products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N423155001801 followed by a unit qualifier and the quantity

Package 23155-0018-01. 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 Mar 18, 2025.

Indications (excerpt from the label)

INDICATIONS AND USAGE To reduce the development of drug-resistant bacteria and maintain the effectiveness of tetracycline hydrochloride and other antibacterial drugs, tetracycline hydrochloride should be used only to treat infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy. Tetracycline is indicated in the treatment of infections caused by susceptible strains of the designated organisms in the condit…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under NDA 050278

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

FDA NDC Directory listings under NDA 050278
Product	Strength	Form · route	Labeler	Product NDC
tetracycline hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-017