What is NDC 23155-766?

23155-766 is the product NDC for Tetracycline Hydrochloride, Tetracycline hydrochloride 250 mg/1 capsule, listed with the FDA by Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.

Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc., NDC labeler code 23155. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Tetracycline Hydrochloride?

21 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Tetracycline Hydrochloride NDC 23155-766

NDC codes

FDA NDC Directory

Product NDC (as listed)23155-766Labeler and product segments. Claims need a package NDC.

Product NDC at billing width23155-0766Add 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
23155-766-01	2315507660123155076601	100 CAPSULE in 1 BOTTLE (23155-766-01)Marketed from Apr 1, 2020

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 — 250 mg/1
Dosage form: Capsule
Route: Oral
Labeler: Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.NDC labeler code 23155
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 062752
Marketing start: Apr 1, 2020
Listing expires: Dec 31, 2026
Other FDA classes: Tetracyclines (Chemical structure)
Identifiers: Product ID 23155-766_8e073e02-ee9f-402e-894f-97b2c0b4dfefSPL ID 8e073e02-ee9f-402e-894f-97b2c0b4dfefSPL set ID 3ce3e8dc-7fbd-4f8d-a65f-092e1ef21725RxCUI 198250, 198252UNII P6R62377KV
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

N423155076601 followed by a unit qualifier and the quantity

Package 23155-0766-01. 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 Nov 6, 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)

About NDC 23155-766

What is NDC 23155-766?: 23155-766 is the product NDC for Tetracycline Hydrochloride, Tetracycline hydrochloride 250 mg/1 capsule, listed with the FDA by Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Tetracycline Hydrochloride.
What is the active ingredient?: Tetracycline hydrochloride.
Who is the labeler?: Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc., NDC labeler code 23155. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Tetracycline Hydrochloride?: 21 other product NDCs are listed under this name. See all Tetracycline Hydrochloride 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 Tetracycline Hydrochloride NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Preferred Pharmaceuticals Inc. .	68788-4134	68788-4134-03
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Preferred Pharmaceuticals Inc.	68788-8853	68788-8853-03
tetracycline hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-017	23155-0017-01
tetracycline hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-018	23155-0018-01
Tetracycline Hydrochloride	Tetracycline hydrochloride 250 mg/1	Tablet, Film coatedOral	Pharmaka Generics Inc.	82644-087	82644-0087-60
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	Tablet, Film coatedOral	Pharmaka Generics Inc.	82644-870	82644-0870-60
Tetracycline Hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Amneal Pharmaceuticals NY LLC	60219-1522	60219-1522-01
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Amneal Pharmaceuticals NY LLC	60219-1523	60219-1523-01
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-767	23155-0767-01
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Bryant Ranch Prepack	71335-2427	71335-2427-0171335-2427-0271335-2427-03+5 more

All 22 Tetracycline Hydrochloride NDCs

Other NDCs under ANDA 062752

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

FDA NDC Directory listings under ANDA 062752
Product	Strength	Form · route	Labeler	Product NDC
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-767
Tetracycline Hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Chartwell RX, LLC.	62135-225
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Chartwell RX, LLC.	62135-266
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Preferred Pharmaceuticals Inc. .	68788-4134
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Bryant Ranch Prepack	71335-2427
Tetracycline Hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Bryant Ranch Prepack	71335-3170
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Proficient Rx LP	82804-292