acetazolamide NDC 51655-331

NDC codes

FDA NDC Directory

Product NDC (as listed)51655-331Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51655-0331Add 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
51655-331-52	51655033152	30 TABLET in 1 BOTTLE, PLASTIC (51655-331-52)Marketed from Mar 28, 2023

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 — 125 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Northwind Health Company, LLC
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 205530
Marketing start: Mar 28, 2023
Listing expires: Dec 31, 2027
Other FDA classes: Carbonic Anhydrase Inhibitors (Mechanism)Sulfonamides (Chemical structure)
Identifiers: Product ID 51655-331_48eb115f-7702-67c8-e063-6394a90a98a3SPL ID 48eb115f-7702-67c8-e063-6394a90a98a3SPL set ID f8232eaf-e108-aa00-e053-6394a90aede4RxCUI 197303UNII 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

N451655033152 followed by a unit qualifier and the quantity

Package 51655-0331-52. 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 205530

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

FDA NDC Directory listings under ANDA 205530
Product	Strength	Form · route	Labeler	Product NDC
Acetazolamide	Acetazolamide 125 mg/1	TabletOral	Chartwell RX, LLC	62135-607
Acetazolamide	Acetazolamide 250 mg/1	TabletOral	Chartwell RX, LLC	62135-608
acetazolamide	Acetazolamide 125 mg/1	TabletOral	A-S Medication Solutions	50090-5617
acetazolamide	Acetazolamide 250 mg/1	TabletOral	Major Pharmaceuticals	0904-6663
acetazolamide	Acetazolamide 250 mg/1	TabletOral	AvKARE	42291-090
acetazolamide	Acetazolamide 125 mg/1	TabletOral	AvKARE	42291-089
acetazolamide	Acetazolamide 125 mg/1	TabletOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-287
acetazolamide	Acetazolamide 250 mg/1	TabletOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-288