Prescription drug · UNAPPROVED DRUG OTHER

Phenobarbital Oral Solution (Phenobarbital oral) NDC 81033-163

Phenobarbital 20 mg/5mL · Solution · Oral · Kesin Pharma Corporation

NDC codes

FDA NDC Directory
Product NDC (as listed)81033-163Labeler and product segments. Claims need a package NDC.
Product NDC at billing width81033-0163Add 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
81033-163-548103301635450 CUP, UNIT-DOSE in 1 CARTON (81033-163-54) / 5 mL in 1 CUP, UNIT-DOSE (81033-163-05)Marketed from Sep 3, 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 Oral Solution
Generic name (nonproprietary)
phenobarbital oral
Active ingredients
Phenobarbital — 20 mg/5mL
Dosage form
Solution
Route
Oral
Labeler
Kesin Pharma CorporationNDC labeler code 81033
Product type
Prescription drug
Marketing category
Unapproved drug (other)
Marketing start
Listing expires
DEA schedule
CIV
Identifiers
Product ID 81033-163_3deab1f7-df73-3253-e063-6394a90a6503SPL ID 3deab1f7-df73-3253-e063-6394a90a6503SPL set ID 3deab1d0-2201-41a6-e063-6394a90a5dc0RxCUI 702519UNII YQE403BP4D

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

N481033016354 followed by a unit qualifier and the quantity

Package 81033-0163-54. 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 USAGE A. Sedative B. 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)

About NDC 81033-163

What is NDC 81033-163?
81033-163 is the product NDC for Phenobarbital Oral Solution (phenobarbital oral), Phenobarbital 20 mg/5mL solution, listed with the FDA by Kesin Pharma Corporation. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Phenobarbital Oral Solution (Phenobarbital Oral).
What is the active ingredient?
Phenobarbital.
Who is the labeler?
Kesin Pharma Corporation, NDC labeler code 81033. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Phenobarbital Oral Solution?
6 other product NDCs are listed under this name. See all Phenobarbital Oral Solution 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 Phenobarbital Oral Solution NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
Phenobarbital Oral Solutionphenobarbital oralPhenobarbital 20 mg/5mLSolutionOralAjenat Pharmaceuticals LLC82983-41782983-0417-47
Phenobarbital Oral Solutionphenobarbital oralPhenobarbital 20 mg/5mLSolutionOralKesin Pharma Corporation81033-16481033-0164-47
Phenobarbital Oral Solutionphenobarbital oralPhenobarbital 20 mg/5mLSolutionOralBPI Labs LLC54288-16354288-0163-47
Phenobarbital Oral Solutionphenobarbital oralPhenobarbital 60 mg/15mLSolutionOralPAI Holdings, LLC dba PAI Pharma0121-282600121-2826-50
Phenobarbital Oral Solutionphenobarbital oralPhenobarbital 30 mg/7.5mLSolutionOralPAI Holdings, LLC dba PAI Pharma0121-188400121-1884-50
Phenobarbital Oral Solutionphenobarbital oralPhenobarbital 20 mg/5mLSolutionOralPAI Holdings, LLC dba PAI Pharma0121-094200121-0942-1600121-0942-50

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Phenobarbital Oral Solution NDC 81033-163 | Med-Code