What is NDC 51655-344?

51655-344 is the product NDC for Spironolactone, Spironolactone 100 mg/1 tablet, film coated, listed with the FDA by Northwind Health Company, LLC. It has 2 package NDCs, 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 Spironolactone?

177 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Spironolactone NDC 51655-344 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)51655-344Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51655-0344Add 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
51655-344-26	5165503442651655034426	90 TABLET, FILM COATED in 1 BOTTLE (51655-344-26)Marketed from May 27, 2020
51655-344-52	5165503445251655034452	30 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (51655-344-52)Marketed from Aug 24, 2020

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): Spironolactone
Generic name (nonproprietary): spironolactone
Active ingredients: Spironolactone — 100 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 203512
Marketing start: May 27, 2020
Listing expires: Dec 31, 2027
Other FDA classes: Aldosterone Antagonists (Mechanism)
Identifiers: Product ID 51655-344_48eb2ef1-10f5-aa75-e063-6294a90a901fSPL ID 48eb2ef1-10f5-aa75-e063-6294a90a901fSPL set ID ab3090fc-458c-17c1-e053-2995a90a6ffaRxCUI 198222UNII 27O7W4T232
Pharmacologic class: Aldosterone Antagonist

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

N451655034426 followed by a unit qualifier and the quantity

Package 51655-0344-26. 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)

Spironolactone is an aldosterone antagonist indicated for: The treatment of NYHA Class III–IV heart failure and reduced ejection fraction to increase survival, manage edema, and to reduce the need for hospitalization for heart failure ( 1.1 ). Use as an add-on therapy for the treatment of hypertension, to lower blood pressure. Lowering blood pressure reduces the risk of fatal and nonfatal cardiovascular events, primarily strokes and myocardial infarctions ( 1.2 ). The management of edema in adult patients who are cirrhotic when edema is not responsive to fluid and sodium restrictions and in the setting of nephrotic syndrome when treatment of the underlying disease, restriction of fluid and s…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51655-344

What is NDC 51655-344?: 51655-344 is the product NDC for Spironolactone, Spironolactone 100 mg/1 tablet, film coated, listed with the FDA by Northwind Health Company, LLC. It has 2 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Spironolactone.
What is the active ingredient?: Spironolactone.
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 Spironolactone?: 177 other product NDCs are listed under this name. See all Spironolactone 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 Spironolactone NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	Preferred Pharmaceuticals Inc.	68788-4188	68788-4188-0368788-4188-0668788-4188-09
Spironolactone	Spironolactone 50 mg/1	Tablet, CoatedOral	Coupler LLC	67046-0613	67046-0613-03
Spironolactone	Spironolactone 25 mg/1	Tablet, CoatedOral	Coupler LLC	67046-0744	67046-0744-03
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	Safecor Health LLC	48433-087	48433-0087-20
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	Safecor Health LLC	48433-088	48433-0088-20
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	Safecor Health LLC	48433-089	48433-0089-08
Spironolactone	Spironolactone 100 mg/1	Tablet, CoatedOral	Coupler LLC	67046-1636	67046-1636-03
spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	REMEDYREPACK INC.	70518-4512	70518-4512-0070518-4512-02
Spironolactone	Spironolactone 25 mg/1	TabletOral	Rising Pharma Holdings, Inc.	64980-706	64980-0706-0164980-0706-50
Spironolactone	Spironolactone 50 mg/1	TabletOral	Rising Pharma Holdings, Inc.	64980-707	64980-0707-0164980-0707-50

All 178 Spironolactone NDCs

Other NDCs under ANDA 203512

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

FDA NDC Directory listings under ANDA 203512
Product	Strength	Form · route	Labeler	Product NDC
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	Accord Healthcare, Inc.	16729-225
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	Accord Healthcare, Inc.	16729-226
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	Accord Healthcare, Inc.	16729-227
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	PD-Rx Pharmaceuticals, Inc.	43063-832
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	PD-Rx Pharmaceuticals, Inc.	43063-835
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	PD-Rx Pharmaceuticals, Inc.	43063-974
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	A-S Medication Solutions	50090-3747
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	NuCare Pharmaceuticals, Inc.	68071-3375
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	NuCare Pharmaceuticals,Inc.	68071-4374
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	Proficient Rx LP	71205-146
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	Proficient Rx LP	71205-147
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	Proficient Rx LP	71205-148
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	71335-0053
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	71335-0304
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	71335-0401
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	Aphena Pharma Solutions - Tennessee, LLC	71610-287
Spironolactone	Spironolactone 100 mg/1	Tablet, Film coatedOral	Aphena Pharma Solutions - Tennessee, LLC	71610-288
Spironolactone	Spironolactone 25 mg/1	Tablet, Film coatedOral	Asclemed USA, Inc.	76420-062
Spironolactone	Spironolactone 50 mg/1	Tablet, Film coatedOral	Asclemed USA, Inc.	76420-063