NDC codes

FDA NDC Directory
Product NDC (as listed)13811-304Labeler and product segments. Claims need a package NDC.
Product NDC at billing width13811-0304Add 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
13811-304-1013811030410100 TABLET in 1 BOTTLE, PLASTIC (13811-304-10)Marketed from Apr 1, 2025
13811-304-52138110304521000 TABLET in 1 BOTTLE, PLASTIC (13811-304-52)Marketed from Apr 1, 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)
Phenobarbital
Generic name (nonproprietary)
phenobarbital
Active ingredients
Phenobarbital — 16.2 mg/1
Dosage form
Tablet
Route
Oral
Product type
Prescription drug
Marketing category
Unapproved drug (other)
Marketing start
Listing expires
DEA schedule
CIV
Identifiers
Product ID 13811-304_e0527225-8681-4a9c-8b5c-2681579f4115SPL ID e0527225-8681-4a9c-8b5c-2681579f4115SPL set ID 5d1f0f48-06d9-4408-b9a2-60d7a09d942fRxCUI 198086, 199164, 199167, 199168UNII YQE403BP4DUPC 0313811304107, 0313811306521, 0313811305104, 0313811305524, 0313811307108, 0373877307528, 0313811306101

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

N413811030410 followed by a unit qualifier and the quantity

Package 13811-0304-10. 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 .

Indications (excerpt from the label)

INDICATIONS AND USAGE 1. Sedative 2. Anticonvulsant – For the treatment of generalized and partial seizures.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

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