NDC codes

FDA NDC Directory
Product NDC (as listed)59651-905Labeler and product segments. Claims need a package NDC.
Product NDC at billing width59651-0905Add 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
59651-905-0159651090501100 TABLET in 1 BOTTLE (59651-905-01)Marketed from May 30, 2025

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
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 212089
Marketing start
Listing expires
Other FDA classes
Carbonic Anhydrase Inhibitors (Mechanism)Sulfonamides (Chemical structure)
Identifiers
Product ID 59651-905_0392e11a-1290-442f-9765-e1f79ec43eaeSPL ID 0392e11a-1290-442f-9765-e1f79ec43eaeSPL set ID 513da48f-8f12-4696-b862-e8d882bf8611RxCUI 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

N459651090501 followed by a unit qualifier and the quantity

Package 59651-0905-01. 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

Current FDA label (SPL), effective .

Indications (excerpt from the label)

INDICATIONS AND USAGE For adjunctive treatment of: edema due to congestive heart failure; drug-induced edema; centrencephalic epilepsies (petit mal, unlocalized seizures); chronic simple (open-angle) glaucoma, secondary glaucoma, and preoperatively in acute angle-closure glaucoma where delay of surgery is desired in order to lower intraocular pressure. Acetazolamide tablets are also indicated for the prevention or amelioration of symptoms associated with acute mountain sickness in climbers attempting rapid ascent and in those who are very susceptible to acute mountain sickness despite gradual ascent.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 212089

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

FDA NDC Directory listings under ANDA 212089
ProductStrengthForm · routeLabelerProduct NDC
AcetazolamideAcetazolamide 250 mg/1TabletOralAurobindo Pharma Limited59651-906

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