NDC codes

FDA NDC Directory
Product NDC (as listed)70518-3655Labeler and product segments. Claims need a package NDC.
Product NDC at billing width70518-3655Add 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 NDC11-digit (billing)PackageCopy
70518-3655-27051836550230 TABLET, COATED in 1 BLISTER PACK (70518-3655-2)Marketed from Apr 10, 2023
70518-3655-370518365503100 POUCH in 1 BOX (70518-3655-3) / 1 TABLET, COATED in 1 POUCH (70518-3655-4)Marketed from Aug 17, 2025
70518-3655-57051836550530 TABLET, COATED in 1 BOTTLE, PLASTIC (70518-3655-5)Marketed from May 31, 2026

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 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 — 50 mg/1
Dosage form
Tablet, Coated
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 040750
Marketing start
Listing expires
Other FDA classes
Aldosterone Antagonists (Mechanism)
Identifiers
Product ID 70518-3655_5905677f-2946-6c08-e063-6394a90a735eSPL ID 5905677f-2946-6c08-e063-6394a90a735eSPL set ID b119ed8a-289a-46c5-9778-6b07e4c061c4RxCUI 198223UNII 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

N470518365502 followed by a unit qualifier and the quantity

Package 70518-3655-02. 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 .

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)

Other NDCs under ANDA 040750

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

FDA NDC Directory listings under ANDA 040750
ProductStrengthForm · routeLabelerProduct NDC
SpironolactoneSpironolactone 100 mg/1Tablet, CoatedOralProficient Rx LP82804-977
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralProficient Rx LP82804-975
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralProficient Rx LP82804-976
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralA-S Medication Solutions50090-6369
SpironolactoneSpironolactone 100 mg/1Tablet, CoatedOralAsclemed USA, Inc.76420-927
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralAsclemed USA, Inc.76420-925
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralAsclemed USA, Inc.76420-926
SpironolactoneSpironolactone 100 mg/1Tablet, CoatedOralPD-Rx Pharmaceuticals, Inc.72789-292
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralPD-Rx Pharmaceuticals, Inc.72789-290
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralPD-Rx Pharmaceuticals, Inc.72789-291
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralPreferred Pharmaceuticals Inc.68788-8545
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralA-S Medication Solutions50090-6458
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralOxford Pharmaceuticals, LLC69584-852
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralCoupler LLC67046-0613
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralOxford Pharmaceuticals, LLC69584-853
SpironolactoneSpironolactone 100 mg/1Tablet, CoatedOralOxford Pharmaceuticals, LLC69584-854
SpironolactoneSpironolactone 25 mg/1Tablet, CoatedOralDirect_Rx72189-497
SpironolactoneSpironolactone 100 mg/1Tablet, CoatedOralDirect_Rx72189-495
SpironolactoneSpironolactone 100 mg/1Tablet, CoatedOralProficient Rx LP82804-205
SpironolactoneSpironolactone 50 mg/1Tablet, CoatedOralDirect_Rx72189-496

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