NDC codes

FDA NDC Directory
Product NDC (as listed)64950-571Labeler and product segments. Claims need a package NDC.
Product NDC at billing width64950-0571Add 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
64950-571-0164950057101100 TABLET in 1 BOTTLE (64950-571-01)Marketed from Mar 1, 2025
64950-571-10649500571101000 TABLET in 1 BOTTLE (64950-571-10)Marketed from Mar 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 — 15 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 64950-571_ec88f9c0-b075-49a7-acda-8dc7a84b2aeeSPL ID ec88f9c0-b075-49a7-acda-8dc7a84b2aeeSPL set ID 074e875d-474a-4bbc-9008-821d63ca9e32RxCUI 198083, 198086, 198089, 199164, 199167, 199168, 312357, 312362UNII YQE403BP4DUPC 0364950575019, 0364950573015, 0364950571011, 0364950576016, 0364950572018, 0364950574012, 0364950578010, 0364950577013

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

N464950057101 followed by a unit qualifier and the quantity

Package 64950-0571-01. 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 .

Indications (excerpt from the label)

INDICATIONS AND USAGE Sedative 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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