What is NDC 23155-133?

23155-133 is the product NDC for Doxycycline, Doxycycline 50 mg/1 tablet, listed with the FDA by Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.. It has 4 package NDCs, 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 Doxycycline?

136 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Doxycycline NDC 23155-133 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)23155-133Labeler and product segments. Claims need a package NDC.

Product NDC at billing width23155-0133Add 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
23155-133-01	2315501330123155013301	100 TABLET in 1 BOTTLE (23155-133-01)Marketed from May 1, 2012
23155-133-05	2315501330523155013305	500 TABLET in 1 BOTTLE (23155-133-05)Marketed from May 1, 2012
23155-133-11	2315501331123155013311	10 TABLET in 1 BLISTER PACK (23155-133-11)Marketed from May 1, 2012
23155-133-30	2315501333023155013330	30 TABLET in 1 CARTON (23155-133-30)Marketed from May 1, 2012

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): Doxycycline
Generic name (nonproprietary): doxycycline
Active ingredients: Doxycycline — 50 mg/1
Dosage form: Tablet
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 091605
Marketing start: May 1, 2012
Listing expires: Dec 31, 2026
Other FDA classes: Tetracyclines (Chemical structure)
Identifiers: Product ID 23155-133_ec6854e5-3f41-4b8f-be77-49e3bd19f7c4SPL ID ec6854e5-3f41-4b8f-be77-49e3bd19f7c4SPL set ID 2bcde264-5f6f-47f6-ae2e-1b7010deacf7RxCUI 1649429, 1650142, 1650444, 1652673UNII N12000U13OUPC 0323155135053
Pharmacologic class: Tetracycline-class Drug

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

N423155013301 followed by a unit qualifier and the quantity

Package 23155-0133-01. 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 Jul 18, 2025.

Indications (excerpt from the label)

INDICATIONS AND USAGE To reduce the development of drug-resistant bacteria and maintain effectiveness of doxycycline tablets and other antibacterial drugs, doxycycline tablets should be used only to treat or prevent 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. Doxycycline is indicated for the treatment of the following infections: Rocky mountain spotted fever, typhus fever and the typhus group…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 23155-133

What is NDC 23155-133?: 23155-133 is the product NDC for Doxycycline, Doxycycline 50 mg/1 tablet, listed with the FDA by Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.. It has 4 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Doxycycline.
What is the active ingredient?: Doxycycline.
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 Doxycycline?: 136 other product NDCs are listed under this name. See all Doxycycline 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 Doxycycline NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Doxycycline	Doxycycline 100 mg/1	CapsuleOral	REMEDYREPACK INC.	70518-4762	70518-4762-00
doxycycline	Doxycycline 50 mg/1	CapsuleOral	Safecor Health, LLC	48433-158	48433-0158-03
doxycycline	Doxycycline 100 mg/1	CapsuleOral	Safecor Health, LLC	48433-159	48433-0159-03
doxycycline	Doxycycline 100 mg/1	CapsuleOral	Coupler LLC	67046-1260	67046-1260-03
doxycycline	Doxycycline hyclate 100 mg/1	CapsuleOral	Preferred Pharmaceuticals Inc.	68788-4176	68788-4176-0068788-4176-0168788-4176-02+3 more
doxycycline	Doxycycline hyclate 100 mg/1	CapsuleOral	REMEDYREPACK INC.	70518-4655	70518-4655-0070518-4655-01
Doxycycline	Doxycycline hyclate 100 mg/100mg	Injection, Powder, Lyophilized, For solutionIntravenous	Steriscience Specialties Private Limited	82449-008	82449-0008-02
Doxycycline	Doxycycline 100 mg/1	CapsuleOral	American Health Packaging	60687-943	60687-0943-21
Doxycycline	Doxycycline hyclate 100 mg/10mL	Injection, Powder, Lyophilized, For solutionIntravenous	JVET PHARMACEUTICALS LLC	86211-116	86211-0116-10
Doxycycline	Doxycycline 40 mg/1	CapsuleOral	AiPing Pharmaceutical, Inc.	11788-134	11788-0134-30

All 137 Doxycycline NDCs

Other NDCs under ANDA 091605

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

FDA NDC Directory listings under ANDA 091605
Product	Strength	Form · route	Labeler	Product NDC
Doxycycline	Doxycycline 75 mg/1	TabletOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-134
Doxycycline	Doxycycline 100 mg/1	TabletOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-135
Doxycycline	Doxycycline 150 mg/1	TabletOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-136
Doxycycline	Doxycycline 100 mg/1	TabletOral	A-S Medication Solutions	50090-1462
Doxycycline	Doxycycline 100 mg/1	TabletOral	Northwind Health Company, LLC	51655-350
Doxycycline	Doxycycline 50 mg/1	TabletOral	Chartwell RX, LLC	62135-725
Doxycycline	Doxycycline 100 mg/1	TabletOral	Chartwell RX, LLC	62135-726
Doxycycline	Doxycycline 100 mg/1	TabletOral	Proficient Rx LP	82804-264