NDC codes

FDA NDC Directory
Product NDC (as listed)35561-357Labeler and product segments. Claims need a package NDC.
Product NDC at billing width35561-0357Add 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
35561-357-123556103571235561035712100 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-357-12)Marketed from Mar 31, 2022
35561-357-133556103571335561035713500 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-357-13)Marketed from Apr 9, 2025
35561-357-99355610357993556103579933051 TABLET, EXTENDED RELEASE in 1 DRUM (35561-357-99)Marketed from Apr 27, 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 ER
Generic name (nonproprietary)
carbamazepine
Active ingredients
Carbamazepine — 400 mg/1
Dosage form
Tablet, Extended release
Route
Oral
Labeler
Bostal LLCNDC labeler code 35561
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 215591
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 35561-357_5094cfb0-cf09-008b-e063-6394a90a402fSPL ID 5094cfb0-cf09-008b-e063-6394a90a402fSPL set ID b48741b3-0889-47b8-a26e-b12614f6e7fcRxCUI 199378, 402505, 402506UNII 33CM23913MUPC 0335561357134, 0335561355260, 0335561356137, 0335561356267, 0335561357127, 0335561357264
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

N435561035712 followed by a unit qualifier and the quantity

Package 35561-0357-12. 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 is indicated for use as an anticonvulsant drug. Evidence supporting efficacy of carbamazepine 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 (see PRECAUTIONS, General). Trigeminal Neuralgia Carb…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 35561-357

What is NDC 35561-357?
35561-357 is the product NDC for Carbamazepine ER (carbamazepine), Carbamazepine 400 mg/1 tablet, extended release, listed with the FDA by Bostal LLC. It has 3 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Carbamazepine ER (Carbamazepine).
What is the active ingredient?
Carbamazepine.
Who is the labeler?
Bostal LLC, NDC labeler code 35561. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Carbamazepine ER?
10 other product NDCs are listed under this name. See all Carbamazepine ER 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 Carbamazepine ER NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
Carbamazepine ERcarbamazepineCarbamazepine 200 mg/1Tablet, Extended releaseOralOryza Pharmaceuticals Inc.72516-02072516-0020-01
Carbamazepine ERcarbamazepineCarbamazepine 400 mg/1Tablet, Extended releaseOralOryza Pharmaceuticals Inc.72516-02172516-0021-01
Carbamazepine ERcarbamazepineCarbamazepine 200 mg/1Tablet, Extended releaseOralEpic Pharma, LLC42806-27542806-0275-01
Carbamazepine ERcarbamazepineCarbamazepine 400 mg/1Tablet, Extended releaseOralEpic Pharma, LLC42806-27642806-0276-01
Carbamazepine ERcarbamazepineCarbamazepine 100 mg/1Tablet, Extended releaseOralEpic Pharma, LLC42806-27442806-0274-01
Carbamazepine ERcarbamazepineCarbamazepine 100 mg/1Tablet, Extended releaseOralBostal LLC35561-35535561-0355-1235561-0355-1335561-0355-99
Carbamazepine ERcarbamazepineCarbamazepine 200 mg/1Tablet, Extended releaseOralBostal LLC35561-35635561-0356-1235561-0356-1335561-0356-99
Carbamazepine ERCarbamazepine 100 mg/1Tablet, Extended releaseOralChartwell RX, LLC62135-92762135-0927-60
Carbamazepine ERCarbamazepine 200 mg/1Tablet, Extended releaseOralChartwell RX, LLC62135-92862135-0928-60
Carbamazepine ERCarbamazepine 400 mg/1Tablet, Extended releaseOralChartwell RX, LLC62135-93062135-0930-60

Other NDCs under ANDA 215591

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

FDA NDC Directory listings under ANDA 215591
ProductStrengthForm · routeLabelerProduct NDC
Carbamazepine ERcarbamazepineCarbamazepine 100 mg/1Tablet, Extended releaseOralBostal LLC35561-355
Carbamazepine ERcarbamazepineCarbamazepine 200 mg/1Tablet, Extended releaseOralBostal LLC35561-356
Carbamazepine ERCarbamazepine 100 mg/1Tablet, Extended releaseOralChartwell RX, LLC62135-927
Carbamazepine ERCarbamazepine 200 mg/1Tablet, Extended releaseOralChartwell RX, LLC62135-928
Carbamazepine ERCarbamazepine 400 mg/1Tablet, Extended releaseOralChartwell RX, LLC62135-930

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