Acetazolamide NDC 10135-831

NDC codes

FDA NDC Directory

Product NDC (as listed)10135-831Labeler and product segments. Claims need a package NDC.

Product NDC at billing width10135-0831Add 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
10135-831-01	10135083101	100 TABLET in 1 BOTTLE (10135-831-01)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): Acetazolamide
Generic name (nonproprietary): acetazolamide
Active ingredients: Acetazolamide — 250 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Marlex Pharmaceuticals, Inc.
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 217197
Marketing start: Feb 1, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Carbonic Anhydrase Inhibitors (Mechanism)Sulfonamides (Chemical structure)
Identifiers: Product ID 10135-831_4a03f386-e570-d4cb-e063-6394a90a8228SPL ID 4a03f386-e570-d4cb-e063-6394a90a8228SPL set ID 4a03f35d-bfcb-77ff-e063-6294a90a4f06RxCUI 197303, 197304UNII O3FX965V0I
Pharmacologic class: Carbonic Anhydrase Inhibitor

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

N410135083101 followed by a unit qualifier and the quantity

Package 10135-0831-01. 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

Label details couldn’t be retrieved right now. Open the label on DailyMed.

Other NDCs under ANDA 217197

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

FDA NDC Directory listings under ANDA 217197
Product	Strength	Form · route	Labeler	Product NDC
Acetazolamide	Acetazolamide 125 mg/1	TabletOral	Marlex Pharmaceuticals, Inc.	10135-830
Acetazolamide	Acetazolamide 125 mg/1	TabletOral	Aarkish Pharmaceuticals NJ Inc.	81005-104
Acetazolamide	Acetazolamide 250 mg/1	TabletOral	Aarkish Pharmaceuticals NJ Inc.	81005-105