What is NDC 51655-020?

51655-020 is the product NDC for Diltiazem Hydrochloride, Diltiazem hydrochloride 60 mg/1 tablet, film coated, listed with the FDA by Northwind Health Company, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.

Northwind Health Company, LLC, NDC labeler code 51655. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Diltiazem Hydrochloride?

220 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Diltiazem Hydrochloride NDC 51655-020 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)51655-020Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51655-0020Add 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
51655-020-52	51655002052	30 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (51655-020-52)Marketed from Aug 11, 2022

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): Diltiazem Hydrochloride
Generic name (nonproprietary): diltiazem hydrochloride
Active ingredients: Diltiazem hydrochloride — 60 mg/1
Dosage form: Tablet, Film coated
Route: Oral
Labeler: Northwind Health Company, LLCNDC labeler code 51655
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 074185
Marketing start: Aug 11, 2022
Listing expires: Dec 31, 2027
Other FDA classes: Calcium Channel Antagonists (Mechanism)Cytochrome P450 3A4 Inhibitors (Mechanism)
Identifiers: Product ID 51655-020_4aa22714-1786-0a81-e063-6394a90a090dSPL ID 4aa22714-1786-0a81-e063-6394a90a090dSPL set ID f29febd6-5a27-eb83-e053-2a95a90a5b7dRxCUI 831103UNII OLH94387TE
Pharmacologic class: Calcium Channel Blocker

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

N451655002052 followed by a unit qualifier and the quantity

Package 51655-0020-52. 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 Jan 1, 2026.

Indications (excerpt from the label)

INDICATIONS AND USAGE Diltiazem hydrochloride tablets are indicated for the management of chronic stable angina and angina due to coronary artery spasm.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51655-020

What is NDC 51655-020?: 51655-020 is the product NDC for Diltiazem Hydrochloride, Diltiazem hydrochloride 60 mg/1 tablet, film coated, listed with the FDA by Northwind Health Company, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Diltiazem Hydrochloride.
What is the active ingredient?: Diltiazem hydrochloride.
Who is the labeler?: Northwind Health Company, LLC, NDC labeler code 51655. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Diltiazem Hydrochloride?: 220 other product NDCs are listed under this name. See all Diltiazem 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 Diltiazem Hydrochloride NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Diltiazem hydrochloride	Diltiazem hydrochloride 30 mg/1	TabletOral	Zydus Lifesciences Limited	70771-1929	70771-1929-0170771-1929-05
Diltiazem hydrochloride	Diltiazem hydrochloride 60 mg/1	TabletOral	Zydus Lifesciences Limited	70771-1930	70771-1930-0170771-1930-05
Diltiazem hydrochloride	Diltiazem hydrochloride 90 mg/1	TabletOral	Zydus Lifesciences Limited	70771-1931	70771-1931-0170771-1931-05
Diltiazem hydrochloride	Diltiazem hydrochloride 120 mg/1	TabletOral	Zydus Lifesciences Limited	70771-1932	70771-1932-0170771-1932-05
Diltiazem hydrochloride	Diltiazem hydrochloride 90 mg/1	TabletOral	Viona Pharmaceuticals Inc	72578-201	72578-0201-0172578-0201-05
Diltiazem hydrochloride	Diltiazem hydrochloride 30 mg/1	TabletOral	Viona Pharmaceuticals Inc	72578-199	72578-0199-0172578-0199-05
Diltiazem hydrochloride	Diltiazem hydrochloride 60 mg/1	TabletOral	Viona Pharmaceuticals Inc	72578-200	72578-0200-0172578-0200-05
Diltiazem hydrochloride	Diltiazem hydrochloride 120 mg/1	TabletOral	Viona Pharmaceuticals Inc	72578-202	72578-0202-0172578-0202-05
Diltiazem Hydrochloride	Diltiazem hydrochloride 90 mg/1	Capsule, Extended releaseOral	Safecor Health LLC	48433-031	48433-0031-20
Diltiazem Hydrochloride	Diltiazem hydrochloride 60 mg/1	Capsule, Extended releaseOral	Safecor Health LLC	48433-030	48433-0030-20

All 221 Diltiazem Hydrochloride NDCs

Other NDCs under ANDA 074185

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

FDA NDC Directory listings under ANDA 074185
Product	Strength	Form · route	Labeler	Product NDC
Diltiazem Hydrochloride	Diltiazem hydrochloride 120 mg/1	Tablet, Film coatedOral	Teva Pharmaceuticals USA, Inc.	0093-0321
Diltiazem Hydrochloride	Diltiazem hydrochloride 60 mg/1	Tablet, Film coatedOral	NCS HealthCare of KY, LLC dba Vangard Labs	0615-8033
Diltiazem Hydrochloride	Diltiazem hydrochloride 120 mg/1	Tablet, Film coatedOral	Proficient Rx LP	63187-769
Diltiazem Hydrochloride	Diltiazem hydrochloride 30 mg/1	Tablet, Film coatedOral	American Health Packaging	60687-717
Diltiazem Hydrochloride	Diltiazem hydrochloride 60 mg/1	Tablet, Film coatedOral	American Health Packaging	60687-728
Diltiazem Hydrochloride	Diltiazem hydrochloride 60 mg/1	Tablet, Film coatedOral	A-S Medication Solutions	50090-0451
Diltiazem Hydrochloride	Diltiazem hydrochloride 30 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	63629-3659
Diltiazem Hydrochloride	Diltiazem hydrochloride 30 mg/1	Tablet, Film coatedOral	Teva Pharmaceuticals USA, Inc.	0093-0318
Diltiazem Hydrochloride	Diltiazem hydrochloride 60 mg/1	Tablet, Film coatedOral	Teva Pharmaceuticals USA, Inc.	0093-0319
Diltiazem Hydrochloride	Diltiazem hydrochloride 90 mg/1	Tablet, Film coatedOral	Teva Pharmaceuticals USA, Inc.	0093-0320
Diltiazem Hydrochloride	Diltiazem hydrochloride 30 mg/1	Tablet, Film coatedOral	NCS HealthCare of KY, LLC dba Vangard Labs	0615-8032