Hydralazine Hydrochloride NDC 51079-074

NDC codes

FDA NDC Directory

Product NDC (as listed)51079-074Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51079-0074Add 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
51079-074-20	51079007420	100 BLISTER PACK in 1 CARTON (51079-074-20) / 1 TABLET in 1 BLISTER PACK (51079-074-01)Marketed from Dec 26, 2007

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): Hydralazine Hydrochloride
Generic name (nonproprietary): hydralazine hydrochloride
Active ingredients: Hydralazine hydrochloride — 10 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Mylan Institutional Inc.
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 089097
Marketing start: Dec 26, 2007
Listing expires: Dec 31, 2026
Other FDA classes: Arteriolar Vasodilation (Physiologic effect)
Identifiers: Product ID 51079-074_3a8625af-ede6-2b68-e063-6394a90a4536SPL ID 3a8625af-ede6-2b68-e063-6394a90a4536SPL set ID 493a8b7e-5bb1-4db2-91a7-77ed87864131RxCUI 905199, 905225, 905395UNII FD171B778Y
Pharmacologic class: Arteriolar Vasodilator

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

N451079007420 followed by a unit qualifier and the quantity

Package 51079-0074-20. 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 22, 2025.

Indications (excerpt from the label)

INDICATIONS AND USAGE Essential hypertension, alone or as an adjunct.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 089097

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

FDA NDC Directory listings under ANDA 089097
Product	Strength	Form · route	Labeler	Product NDC
Hydralazine Hydrochloride	Hydralazine hydrochloride 10 mg/1	TabletOral	Safecor Health, LLC	48433-046
Hydralazine Hydrochloride	Hydralazine hydrochloride 10 mg/1	TabletOral	Teva Pharmaceuticals USA, Inc.	50111-398