Topiramate NDC 43598-941

NDC codes

FDA NDC Directory

Product NDC (as listed)43598-941Labeler and product segments. Claims need a package NDC.

Product NDC at billing width43598-0941Add 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
43598-941-01	43598094101	100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (43598-941-01)Marketed from Feb 1, 2026
43598-941-30	43598094130	30 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (43598-941-30)Marketed from Feb 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): Topiramate
Generic name (nonproprietary): topiramate
Active ingredients: Topiramate — 100 mg/1
Dosage form: Capsule, Extended release
Route: Oral
Labeler: Dr. Reddys Laboratories Inc.
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 217231
Marketing start: Feb 1, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Cytochrome P450 2C19 Inhibitors (Mechanism)Cytochrome P450 3A4 Inducers (Mechanism)Decreased Central Nervous System Disorganized Electrical Activity (Physiologic effect)
Identifiers: Product ID 43598-941_641acdcc-9618-84e0-a09a-cbf956ffbe61SPL ID 641acdcc-9618-84e0-a09a-cbf956ffbe61SPL set ID f07d81bc-5090-fbc5-2945-557cf002849cRxCUI 1436239, 1437278, 1437283, 1437288UNII 0H73WJJ391

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

N443598094101 followed by a unit qualifier and the quantity

Package 43598-0941-01. 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

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