memantine hydrochloride NDC 55154-2666

NDC codes

FDA NDC Directory

Product NDC (as listed)55154-2666Labeler and product segments. Claims need a package NDC.

Product NDC at billing width55154-2666Add 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
55154-2666-0	55154266600	10 BLISTER PACK in 1 BAG (55154-2666-0) / 1 TABLET in 1 BLISTER PACKMarketed from Apr 1, 2015

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): memantine hydrochloride
Generic name (nonproprietary): memantine hydrochloride
Active ingredients: Memantine hydrochloride — 5 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Cardinal Health 107, LLC
Product type: Prescription drug
Marketing category: NDA authorized genericApplication NDA 021487
Marketing start: Apr 1, 2015
Marketing end: Jul 31, 2028
Other FDA classes: NMDA Receptor Antagonists (Mechanism)
Identifiers: Product ID 55154-2666_3e541a5f-aae5-4d60-9506-ce794747a84cSPL ID 3e541a5f-aae5-4d60-9506-ce794747a84cSPL set ID e5754973-e73b-4a25-abb4-80f91880f018RxCUI 996561, 996571UNII JY0WD0UA60UPC 0055154266703, 0055154266604
Pharmacologic class: N-methyl-D-aspartate Receptor 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

N455154266600 followed by a unit qualifier and the quantity

Package 55154-2666-00. 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 Jun 5, 2026.

Indications (excerpt from the label)

Memantine hydrochloride tablets are indicated for the treatment of moderate to severe dementia of the Alzheimer’s type. Memantine hydrochloride tablets are an N-methyl-D-aspartate (NMDA) receptor antagonist indicated for the treatment of moderate to severe dementia of the Alzheimer’s type. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under NDA 021487

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

FDA NDC Directory listings under NDA 021487
Product	Strength	Form · route	Labeler	Product NDC
memantine hydrochloride	Memantine hydrochloride 10 mg/1	TabletOral	Aphena Pharma Solutions - Tennessee, LLC	71610-011
memantine hydrochloride	Memantine hydrochloride 10 mg/1	TabletOral	Actavis Pharma, Inc.	0591-3875
memantine hydrochloride	—	KitOral	Actavis Pharma, Inc.	0591-3900
memantine hydrochloride	Memantine hydrochloride 10 mg/1	TabletOral	Cardinal Health 107, LLC	55154-2667
memantine hydrochloride	Memantine hydrochloride 5 mg/1	TabletOral	Actavis Pharma, Inc.	0591-3870