Phenytoin NDC 51672-4146

NDC codes

FDA NDC Directory

Product NDC (as listed)51672-4146Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51672-4146Add 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
51672-4146-1	51672414601	100 TABLET, CHEWABLE in 1 BOTTLE (51672-4146-1)Marketed from Apr 17, 2014
51672-4146-3	51672414603	1000 TABLET, CHEWABLE in 1 BOTTLE (51672-4146-3)Marketed from Apr 17, 2014
51672-4146-6	51672414606	30 TABLET, CHEWABLE in 1 BOTTLE (51672-4146-6)Marketed from Apr 17, 2014

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): Phenytoin
Generic name (nonproprietary): phenytoin
Active ingredients: Phenytoin — 50 mg/1
Dosage form: Tablet, Chewable
Route: Oral
Labeler: Sun Pharmaceutical Industries, Inc.
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 200565
Marketing start: Apr 17, 2014
Listing expires: Dec 31, 2027
Other FDA classes: Cytochrome P450 1A2 Inducers (Mechanism)Cytochrome P450 2B6 Inducers (Mechanism)Cytochrome P450 2C19 Inducers (Mechanism)Cytochrome P450 2C8 Inducers (Mechanism)Cytochrome P450 2C9 Inducers (Mechanism)Cytochrome P450 2D6 Inducers (Mechanism)Cytochrome P450 3A Inducers (Mechanism)Decreased Central Nervous System Disorganized Electrical Activity (Physiologic effect)
Identifiers: Product ID 51672-4146_4e03fb7d-d33a-2472-e063-6394a90a9b81SPL ID 4e03fb7d-d33a-2472-e063-6394a90a9b81SPL set ID 78b38e7b-1460-4adc-b738-320ffa6259c2RxCUI 1313885UNII 6158TKW0C5
Pharmacologic class: Anti-epileptic Agent

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

N451672414601 followed by a unit qualifier and the quantity

Package 51672-4146-01. 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 Mar 27, 2026.

Indications (excerpt from the label)

Phenytoin chewable tablets are indicated for the treatment of generalized tonic-clonic (grand mal) and complex partial (psychomotor, temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery. Phenytoin chewable tablets are indicated for the treatment of generalized tonic-clonic (grand mal) and complex partial (psychomotor, temporal lobe) seizures and prevention and treatment of seizures occurring during or following neurosurgery. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 200565

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

FDA NDC Directory listings under ANDA 200565
Product	Strength	Form · route	Labeler	Product NDC
Phenytoin	Phenytoin 50 mg/1	Tablet, ChewableOral	REMEDYREPACK INC.	70518-0841
Phenytoin	Phenytoin 50 mg/1	Tablet, ChewableOral	NCS HealthCare of KY, LLC dba Vangard Labs	0615-8623
Phenytoin	Phenytoin 50 mg/1	Tablet, ChewableOral	American Health Packaging	60687-156
Phenytoin	Phenytoin 50 mg/1	Tablet, ChewableOral	Major Pharmaceuticals	0904-7199