What is NDC 42571-275?

42571-275 is the product NDC for Dalfampridine, Dalfampridine 10 mg/1 tablet, extended release, listed with the FDA by Micro Labs Limited. It has 3 package NDCs, shown above in 10- and 11-digit form.

Micro Labs Limited, NDC labeler code 42571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Dalfampridine?

8 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Dalfampridine NDC 42571-275 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)42571-275Labeler and product segments. Claims need a package NDC.

Product NDC at billing width42571-0275Add 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
42571-275-05	4257102750542571027505	500 TABLET, EXTENDED RELEASE in 1 BOTTLE (42571-275-05)Marketed from Mar 21, 2019
42571-275-10	4257102751042571027510	1000 TABLET, EXTENDED RELEASE in 1 BOTTLE (42571-275-10)Marketed from Mar 21, 2019
42571-275-60	4257102756042571027560	60 TABLET, EXTENDED RELEASE in 1 BOTTLE (42571-275-60)Marketed from Mar 21, 2019

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): Dalfampridine
Generic name (nonproprietary): dalfampridine
Active ingredients: Dalfampridine — 10 mg/1
Dosage form: Tablet, Extended release
Route: Oral
Labeler: Micro Labs LimitedNDC labeler code 42571
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 210158
Marketing start: Mar 21, 2019
Listing expires: Dec 31, 2027
Other FDA classes: Potassium Channel Antagonists (Mechanism)
Identifiers: Product ID 42571-275_3afc3c42-1157-b612-e063-6294a90ac179SPL ID 3afc3c42-1157-b612-e063-6294a90ac179SPL set ID 302c8270-4711-4ca4-bee8-be0738fbe094RxCUI 897021UNII BH3B64OKL9UPC 0342571275600
Pharmacologic class: Potassium Channel Blocker

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

N442571027505 followed by a unit qualifier and the quantity

Package 42571-0275-05. 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 Jul 28, 2025.

Indications (excerpt from the label)

Dalfampridine extended-release tablet is indicated as a treatment to improve walking in adult patients with multiple sclerosis (MS). This was demonstrated by an increase in walking speed [see Clinical Studies (14) ]. Dalfampridine extended-release tablet is a potassium channel blocker indicated to improve walking in adult patients with multiple sclerosis (MS). This was demonstrated by an increase in walking speed (1, 14) .

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 42571-275

What is NDC 42571-275?: 42571-275 is the product NDC for Dalfampridine, Dalfampridine 10 mg/1 tablet, extended release, listed with the FDA by Micro Labs Limited. It has 3 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Dalfampridine.
What is the active ingredient?: Dalfampridine.
Who is the labeler?: Micro Labs Limited, NDC labeler code 42571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Dalfampridine?: 8 other product NDCs are listed under this name. See all Dalfampridine NDCs.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Other finished products listed under the same name: strengths, forms and labelers.

Other Dalfampridine NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Film coated, Extended releaseOral	CivicaScript LLC	82249-702	82249-0702-60
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Film coated, Extended releaseOral	Actavis Pharma, Inc.	0591-2533	00591-2533-60
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Extended releaseOral	Sun Pharmaceutical Industries, Inc.	62756-429	62756-0429-86
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Extended releaseOral	Bryant Ranch Prepack	72162-2459	72162-2459-06
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Film coated, Extended releaseOral	Accord Healthcare Inc.	16729-292	16729-0292-12
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Film coated, Extended releaseOral	Ascend Laboratories, LLC	67877-444	67877-0444-0567877-0444-6067877-0444-90
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Film coated, Extended releaseOral	Golden State Medical Supply, Inc.	51407-876	51407-0876-60
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Film coated, Extended releaseOral	Aurobindo Pharma Limited	65862-863	65862-0863-0165862-0863-0565862-0863-60

Other NDCs under ANDA 210158

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

FDA NDC Directory listings under ANDA 210158
Product	Strength	Form · route	Labeler	Product NDC
Dalfampridine	Dalfampridine 10 mg/1	Tablet, Extended releaseOral	Bryant Ranch Prepack	72162-2459