What is NDC 23155-977?

23155-977 is the product NDC for nisoldipine, Nisoldipine 17 mg/1 tablet, film coated, extended release, 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 nisoldipine?

4 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

nisoldipine NDC 23155-977 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)23155-977Labeler and product segments. Claims need a package NDC.

Product NDC at billing width23155-0977Add 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
23155-977-01	2315509770123155097701	1 BOTTLE in 1 CARTON (23155-977-01) / 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLEMarketed from Aug 1, 2026

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): nisoldipine
Generic name (nonproprietary): nisoldipine
Active ingredients: Nisoldipine — 17 mg/1
Dosage form: Tablet, Film coated, Extended release
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 216606
Marketing start: Aug 1, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Calcium Channel Antagonists (Mechanism)Decreased Blood Pressure (Physiologic effect)Dihydropyridines (Chemical structure)
Identifiers: Product ID 23155-977_cef2c469-9a1b-46f3-b08f-57ea2876311fSPL ID cef2c469-9a1b-46f3-b08f-57ea2876311fSPL set ID a52b773a-44f9-442f-a4be-39f79a558bd2RxCUI 763519, 790489UNII 4I8HAB65SZ
Pharmacologic class: Dihydropyridine 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

N423155097701 followed by a unit qualifier and the quantity

Package 23155-0977-01. 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 Jun 8, 2026.

Indications (excerpt from the label)

INDICATIONS AND USAGE Nisoldipine extended-release tablets are indicated for the treatment of hypertension. It may be used alone or in combination with other antihypertensive agents.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 23155-977

What is NDC 23155-977?: 23155-977 is the product NDC for nisoldipine, Nisoldipine 17 mg/1 tablet, film coated, extended release, 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?: nisoldipine.
What is the active ingredient?: Nisoldipine.
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 nisoldipine?: 4 other product NDCs are listed under this name. See all nisoldipine 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 nisoldipine NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
nisoldipine	Nisoldipine 8.5 mg/1	Tablet, Film coated, Extended releaseOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-976	23155-0976-01
Nisoldipine	Nisoldipine 8.5 mg/1	Tablet, Film coated, Extended releaseOral	Prasco Laboratories	66993-472	66993-0472-02
Nisoldipine	Nisoldipine 17 mg/1	Tablet, Film coated, Extended releaseOral	Prasco Laboratories	66993-473	66993-0473-02
Nisoldipine	Nisoldipine 34 mg/1	Tablet, Film coated, Extended releaseOral	Prasco Laboratories	66993-475	66993-0475-02

Other NDCs under ANDA 216606

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

FDA NDC Directory listings under ANDA 216606
Product	Strength	Form · route	Labeler	Product NDC
nisoldipine	Nisoldipine 8.5 mg/1	Tablet, Film coated, Extended releaseOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-976