NDC codes

FDA NDC Directory
Product NDC (as listed)46708-420Labeler and product segments. Claims need a package NDC.
Product NDC at billing width46708-0420Add 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
46708-420-3146708042031100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (46708-420-31)Marketed from Jul 26, 2025
46708-420-91467080420911000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (46708-420-91)Marketed from Jul 26, 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)
Carbamazepine
Generic name (nonproprietary)
carbamazepine
Active ingredients
Carbamazepine — 100 mg/1
Dosage form
Tablet, Film coated, Extended release
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 219939
Marketing start
Listing expires
Other FDA classes
Cytochrome P450 1A2 Inducers (Mechanism)Cytochrome P450 2B6 Inducers (Mechanism)Cytochrome P450 2C19 Inducers (Mechanism)Cytochrome P450 2C9 Inducers (Mechanism)Cytochrome P450 3A4 Inducers (Mechanism)Decreased Central Nervous System Disorganized Electrical Activity (Physiologic effect)
Identifiers
Product ID 46708-420_1fc170d7-db1a-486d-8c10-faa6e3da3b1eSPL ID 1fc170d7-db1a-486d-8c10-faa6e3da3b1eSPL set ID 1fc170d7-db1a-486d-8c10-faa6e3da3b1eRxCUI 199378, 402505, 402506UNII 33CM23913MUPC 0346708420314, 0346708421311, 0346708422318
Pharmacologic class
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

N446708042031 followed by a unit qualifier and the quantity

Package 46708-0420-31. 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)

INDICATIONS AND USAGE Epilepsy Carbamazepine extended-release tablet is indicated for use as an anticonvulsant drug. Evidence supporting efficacy of carbamazepine extended-release tablet as an anticonvulsant was derived from active drug-controlled studies that enrolled patients with the following seizure types: Partial seizures with complex symptomatology (psychomotor, temporal lobe). Patients with these seizures appear to show greater improvement than those with other types. Generalized tonic-clonic seizures (grand mal). Mixed seizure patterns which include the above, or other partial or generalized seizures. Absence seizures (petit mal) do not appear to be controlled by carbamazepine exten…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 219939

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

FDA NDC Directory listings under ANDA 219939
ProductStrengthForm · routeLabelerProduct NDC
CarbamazepineCarbamazepine 200 mg/1Tablet, Film coated, Extended releaseOralAlembic Pharmaceuticals Limited46708-421
CarbamazepineCarbamazepine 400 mg/1Tablet, Film coated, Extended releaseOralAlembic Pharmaceuticals Limited46708-422
CarbamazepineCarbamazepine 100 mg/1Tablet, Film coated, Extended releaseOralAlembic Pharmaceuticals Inc.62332-420
CarbamazepineCarbamazepine 200 mg/1Tablet, Film coated, Extended releaseOralAlembic Pharmaceuticals Inc.62332-421
CarbamazepineCarbamazepine 400 mg/1Tablet, Film coated, Extended releaseOralAlembic Pharmaceuticals Inc.62332-422

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Carbamazepine NDC 46708-420 | Med-Code