Tetracycline Hydrochloride NDC 51991-907

NDC codes

FDA NDC Directory

Product NDC (as listed)51991-907Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51991-0907Add 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
51991-907-01	51991090701	100 CAPSULE in 1 BOTTLE, PLASTIC (51991-907-01)Marketed from Jan 18, 2019
51991-907-05	51991090705	500 CAPSULE in 1 BOTTLE, PLASTIC (51991-907-05)Marketed from Jan 18, 2019
51991-907-33	51991090733	30 CAPSULE in 1 BOTTLE, PLASTIC (51991-907-33)Marketed from Jan 18, 2019

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: Breckenridge Pharmaceutical, Inc.
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 210662
Marketing start: Jan 18, 2019
Listing expires: Dec 31, 2027
Other FDA classes: Tetracyclines (Chemical structure)
Identifiers: Product ID 51991-907_89897fdb-30b1-4625-9526-7fe813924413SPL ID 89897fdb-30b1-4625-9526-7fe813924413SPL set ID 00acf413-c5d2-4a54-9d0d-56266cbc9edcRxCUI 198250, 198252UNII P6R62377KVUPC 0351991906018
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

N451991090701 followed by a unit qualifier and the quantity

Package 51991-0907-01. 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 May 22, 2026.

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 ANDA 210662

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

FDA NDC Directory listings under ANDA 210662
Product	Strength	Form · route	Labeler	Product NDC
Tetracycline Hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Breckenridge Pharmaceutical, Inc.	51991-906
Tetracycline Hydrochloride	Tetracycline hydrochloride 250 mg/1	CapsuleOral	Bryant Ranch Prepack	71335-2415
Tetracycline Hydrochloride	Tetracycline hydrochloride 500 mg/1	CapsuleOral	Bryant Ranch Prepack	71335-2141