NDC codes

FDA NDC Directory
Product NDC (as listed)10370-256Labeler and product segments. Claims need a package NDC.
Product NDC at billing width10370-0256Add 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
10370-256-11103700256111037002561130 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (10370-256-11)Marketed from Jan 2, 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)
Lamotrigine Extended-ReleaseSuffix: Extended-Release
Generic name (nonproprietary)
lamotrigine
Active ingredients
Lamotrigine — 300 mg/1
Dosage form
Tablet, Film coated, Extended release
Route
Oral
Labeler
Par Health USA, LLCNDC labeler code 10370
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 201374
Marketing start
Listing expires
Other FDA classes
Decreased Central Nervous System Disorganized Electrical Activity (Physiologic effect)Dihydrofolate Reductase Inhibitors (Mechanism)Organic Cation Transporter 2 Inhibitors (Mechanism)
Identifiers
Product ID 10370-256_4e8e57a4-ecd3-4fce-943c-1ad74ea1ecc6SPL ID 4e8e57a4-ecd3-4fce-943c-1ad74ea1ecc6SPL set ID d5ec4d58-c669-4ab4-ba62-b71007536854RxCUI 850087, 900156, 1098608, 1146690UNII U3H27498KSUPC 0310370334118, 0310370208112, 0310370256113, 0310370207115
Pharmacologic class
Anti-epileptic Agent; Mood Stabilizer

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

N410370025611 followed by a unit qualifier and the quantity

Package 10370-0256-11. 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 . This label includes a boxed warning.

Indications (excerpt from the label)

Lamotrigine extended-release tablets are indicated for: adjunctive therapy for primary generalized tonic-clonic seizures (PGTC) and partial-onset seizures with or without secondary generalization in patients aged 13 years and older. ( 1.1 ) conversion to monotherapy in patients aged 13 years and older with partial-onset seizures who are receiving treatment with a single antiepileptic drug (AED). ( 1.2 ) Limitation of use: Safety and effectiveness in patients younger than 13 years have not been established. ( 1.3 ) 1.1 Adjunctive Therapy Lamotrigine extended-release tablets are indicated as adjunctive therapy for primary generalized tonic-clonic (PGTC) seizures and partial-onset seizures with…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 10370-256

What is NDC 10370-256?
10370-256 is the product NDC for Lamotrigine Extended-Release (lamotrigine), Lamotrigine 300 mg/1 tablet, film coated, extended release, listed with the FDA by Par Health USA, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Lamotrigine Extended-Release (Lamotrigine).
What is the active ingredient?
Lamotrigine.
Who is the labeler?
Par Health USA, LLC, NDC labeler code 10370. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Lamotrigine Extended-Release?
3 other product NDCs are listed under this name. See all Lamotrigine Extended-Release 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 Lamotrigine Extended-Release NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
Lamotrigine Extended-ReleaselamotrigineLamotrigine 100 mg/1Tablet, Film coated, Extended releaseOralPar Health USA, LLC10370-20710370-0207-11
Lamotrigine Extended-ReleaselamotrigineLamotrigine 200 mg/1Tablet, Film coated, Extended releaseOralPar Health USA, LLC10370-20810370-0208-11
Lamotrigine Extended-ReleaselamotrigineLamotrigine 250 mg/1Tablet, Film coated, Extended releaseOralPar Health USA, LLC10370-33410370-0334-11

Other NDCs under ANDA 201374

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

FDA NDC Directory listings under ANDA 201374
ProductStrengthForm · routeLabelerProduct NDC
Lamotrigine Extended-ReleaselamotrigineLamotrigine 100 mg/1Tablet, Film coated, Extended releaseOralPar Health USA, LLC10370-207
Lamotrigine Extended-ReleaselamotrigineLamotrigine 200 mg/1Tablet, Film coated, Extended releaseOralPar Health USA, LLC10370-208
Lamotrigine Extended-ReleaselamotrigineLamotrigine 250 mg/1Tablet, Film coated, Extended releaseOralPar Health USA, LLC10370-334

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