What is NDC 62135-558?

62135-558 is the product NDC for Phenobarbital, Phenobarbital 97.2 mg/1 tablet, listed with the FDA by Chartwell RX, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.

Chartwell RX, LLC, NDC labeler code 62135. 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?

157 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Phenobarbital NDC 62135-558 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)62135-558Labeler and product segments. Claims need a package NDC.

Product NDC at billing width62135-0558Add 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	Copy
62135-558-90	62135055890	90 TABLET in 1 BOTTLE (62135-558-90)Marketed from Aug 17, 2026

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 — 97.2 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Chartwell RX, LLCNDC labeler code 62135
Product type: Prescription drug
Marketing category: Unapproved drug (other)
Marketing start: Aug 17, 2026
Listing expires: Dec 31, 2027
DEA schedule: CIV
Identifiers: Product ID 62135-558_5a0a21bf-3080-2322-e063-6394a90a387dSPL ID 5a0a21bf-3080-2322-e063-6394a90a387dSPL set ID 74428144-fb24-40a5-a670-3b876e2d116cRxCUI 198083, 198086, 198089, 199164, 199167, 199168, 312357, 312362UNII YQE403BP4DUPC 0362135557904, 0362135519902, 0362135558901, 0362135539900, 0362135554903, 0362135515904, 0362135514907

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

N462135055890 followed by a unit qualifier and the quantity

Package 62135-0558-90. 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 Aug 27, 2026.

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)

About NDC 62135-558

What is NDC 62135-558?: 62135-558 is the product NDC for Phenobarbital, Phenobarbital 97.2 mg/1 tablet, listed with the FDA by Chartwell RX, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Phenobarbital.
What is the active ingredient?: Phenobarbital.
Who is the labeler?: Chartwell RX, LLC, NDC labeler code 62135. 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?: 157 other product NDCs are listed under this name. See all Phenobarbital 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 NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Phenobarbital	Phenobarbital 15 mg/1	TabletOral	Chartwell RX, LLC	62135-510	62135-0510-90
Phenobarbital	Phenobarbital 30 mg/1	TabletOral	Chartwell RX, LLC	62135-514	62135-0514-90
Phenobarbital	Phenobarbital 60 mg/1	TabletOral	Chartwell RX, LLC	62135-515	62135-0515-90
Phenobarbital	Phenobarbital 100 mg/1	TabletOral	Chartwell RX, LLC	62135-519	62135-0519-90
Phenobarbital	Phenobarbital 16.2 mg/1	TabletOral	Chartwell RX, LLC	62135-539	62135-0539-90
Phenobarbital	Phenobarbital 64.8 mg/1	TabletOral	Chartwell RX, LLC	62135-557	62135-0557-90
Phenobarbital	Phenobarbital 32.4 mg/1	TabletOral	Chartwell RX, LLC	62135-554	62135-0554-90
Phenobarbital	Phenobarbital 32.4 mg/1	TabletOral	REMEDYREPACK INC.	70518-4718	70518-4718-00
Phenobarbital	Phenobarbital 64.8 mg/1	TabletOral	REMEDYREPACK INC.	70518-4717	70518-4717-00
Phenobarbital	Phenobarbital 16.2 mg/1	TabletOral	REMEDYREPACK INC.	70518-4719	70518-4719-00

All 158 Phenobarbital NDCs