What is NDC 62135-550?

62135-550 is the product NDC for Isoniazid, Isoniazid 50 mg/5mL solution, 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 Isoniazid?

26 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Isoniazid NDC 62135-550 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)62135-550Labeler and product segments. Claims need a package NDC.

Product NDC at billing width62135-0550Add 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
62135-550-47	62135055047	473 mL in 1 BOTTLE (62135-550-47)Marketed from May 10, 2023

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): Isoniazid
Generic name (nonproprietary): isoniazid
Active ingredients: Isoniazid — 50 mg/5mL
Dosage form: Solution
Route: Oral
Labeler: Chartwell RX, LLCNDC labeler code 62135
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 081118
Marketing start: Jul 21, 1997
Listing expires: Dec 31, 2026
Identifiers: Product ID 62135-550_44fdc5f6-d8fc-49a1-e063-6394a90ad33cSPL ID 44fdc5f6-d8fc-49a1-e063-6394a90ad33cSPL set ID 8a6fa0b2-48e3-4c06-97c5-9ec3d6475a7cRxCUI 105292UNII V83O1VOZ8LUPC 0362135550479
Pharmacologic class: Antimycobacterial

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

N462135055047 followed by a unit qualifier and the quantity

Package 62135-0550-47. 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 Dec 2, 2025. This label includes a boxed warning.

Indications (excerpt from the label)

INDICATIONS AND USAGE Isoniazid oral solution is recommended for all forms of tuberculosis in which organisms are susceptible. However, active tuberculosis must be treated with multiple concomitant anti-tuberculosis medications to prevent the emergence of drug resistance. Single-drug treatment of active tuberculosis with isoniazid or any other medication is inadequate therapy. Isoniazid oral solution is recommended as preventive therapy for the following groups, regardless of age. (Note: the criterion for a positive reaction to a skin test (in millimeters of induration) for each group is given in parentheses): Persons with human immunodeficiency virus (HIV) infection (greater than or equal t…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 62135-550

What is NDC 62135-550?: 62135-550 is the product NDC for Isoniazid, Isoniazid 50 mg/5mL solution, 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?: Isoniazid.
What is the active ingredient?: Isoniazid.
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 Isoniazid?: 26 other product NDCs are listed under this name. See all Isoniazid 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 Isoniazid NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
isoniazid	Isoniazid 300 mg/1	TabletOral	REMEDYREPACK INC.	70518-4540	70518-4540-0070518-4540-01
isoniazid	Isoniazid 300 mg/1	TabletOral	Coupler LLC	67046-1617	67046-1617-03
Isoniazid	Isoniazid 300 mg/1	TabletOral	Coupler LLC	67046-1570	67046-1570-03
Isoniazid	Isoniazid 300 mg/1	TabletOral	REMEDYREPACK INC.	70518-4315	70518-4315-0070518-4315-0170518-4315-02
isoniazid	Isoniazid 100 mg/1	TabletOral	Marlex Pharmaceuticals, Inc.	10135-804	10135-0804-01
isoniazid	Isoniazid 300 mg/1	TabletOral	Marlex Pharmaceuticals, Inc.	10135-805	10135-0805-0110135-0805-30
Isoniazid	Isoniazid 300 mg/1	TabletOral	Bryant Ranch Prepack	71335-2800	71335-2800-0171335-2800-0271335-2800-03+2 more
Isoniazid	Isoniazid 100 mg/1	TabletOral	Bryant Ranch Prepack	71335-3083	71335-3083-01
Isoniazid	Isoniazid 100 mg/1	TabletOral	Genus Lifesciences	64950-216	64950-0216-10
Isoniazid	Isoniazid 300 mg/1	TabletOral	Genus Lifesciences	64950-217	64950-0217-0364950-0217-10

All 27 Isoniazid NDCs